* iio/hid-sensor-accel-3d: no output from /dev/iio:device*?
@ 2015-12-17 23:38 Nish Aravamudan
2015-12-18 0:51 ` Srinivas Pandruvada
0 siblings, 1 reply; 12+ messages in thread
From: Nish Aravamudan @ 2015-12-17 23:38 UTC (permalink / raw)
To: Jiri Kosina
Cc: Jonathan Cameron, Srinivas Pandruvada, Hartmut Knaack,
Lars-Peter Clausen, Peter Meerwald, linux-input, linux-iio,
linux-kernel, Crt Mori
[Starting a new thread from https://lkml.org/lkml/2015/12/15/663, as
now my laptop is displaying values in the sysfs *raw* files.]
So I'm trying to understand exactly how the hid-sensor-accel-3d driver works.
If I turn up debugging, when I `cat
/sys/bus/iio/devices/device*/*raw*`, I see "iio iio:device3:
accel_3d_proc_event" and I think that means that
hid_sensor_push_data() is getting called.
But read()'s on /dev/iio:device3 never produces anything, which is
what iio-sensor-proxy uses to translate events to dbus.
Is it expected that the dev-node is "silent"? Just trying to
understand if an extension to the driver to support a chardev based
output is appropriate, or if iio-sensor-proxy needs to be changed to
handle this device.
-Nish
^ permalink raw reply [flat|nested] 12+ messages in thread
* Re: iio/hid-sensor-accel-3d: no output from /dev/iio:device*?
2015-12-17 23:38 iio/hid-sensor-accel-3d: no output from /dev/iio:device*? Nish Aravamudan
@ 2015-12-18 0:51 ` Srinivas Pandruvada
2015-12-18 1:00 ` Pandruvada, Srinivas
2015-12-18 1:07 ` Nish Aravamudan
0 siblings, 2 replies; 12+ messages in thread
From: Srinivas Pandruvada @ 2015-12-18 0:51 UTC (permalink / raw)
To: Nish Aravamudan, Jiri Kosina
Cc: Jonathan Cameron, Hartmut Knaack, Lars-Peter Clausen,
Peter Meerwald, linux-input, linux-iio, linux-kernel, Crt Mori
On Thu, 2015-12-17 at 15:38 -0800, Nish Aravamudan wrote:
> [Starting a new thread from https://lkml.org/lkml/2015/12/15/663, as
> now my laptop is displaying values in the sysfs *raw* files.]
>
> So I'm trying to understand exactly how the hid-sensor-accel-3d
> driver works.
>
> If I turn up debugging, when I `cat
> /sys/bus/iio/devices/device*/*raw*`, I see "iio iio:device3:
> accel_3d_proc_event" and I think that means that
> hid_sensor_push_data() is getting called.
>
> But read()'s on /dev/iio:device3 never produces anything, which is
> what iio-sensor-proxy uses to translate events to dbus.
>
> Is it expected that the dev-node is "silent"? Just trying to
> understand if an extension to the driver to support a chardev based
> output is appropriate, or if iio-sensor-proxy needs to be changed to
> handle this device.
You are saying there is some regression. This used to work and now it
doesn't work. Is raw values are displayed correctly, when you do "cat"?
If cat of raw values is working then power on of sensors is working.
Turn on HID debug prints. If it is regression we can do git bisect.
Any ACPI or PM changes can break this. Usually there will be GPIOs
which will be involved in power on, where ACPI comes into play. This
will be done by i2c-hid. There are some prints in i2c-hid which can be
enabled also.
Thanks,
Srinivas
>
> -Nish
^ permalink raw reply [flat|nested] 12+ messages in thread
* Re: iio/hid-sensor-accel-3d: no output from /dev/iio:device*?
2015-12-18 0:51 ` Srinivas Pandruvada
@ 2015-12-18 1:00 ` Pandruvada, Srinivas
2015-12-18 1:08 ` Nish Aravamudan
2015-12-18 1:07 ` Nish Aravamudan
1 sibling, 1 reply; 12+ messages in thread
From: Pandruvada, Srinivas @ 2015-12-18 1:00 UTC (permalink / raw)
To: jikos, nish.aravamudan
Cc: lars, linux-kernel, knaack.h, jic23, cmo, linux-iio, pmeerw,
linux-input, Shevchenko, Andriy
[-- Warning: decoded text below may be mangled, UTF-8 assumed --]
[-- Attachment #1: Type: text/plain; charset="utf-8", Size: 1799 bytes --]
Hi Andy,
As per Nish these patches are impacting sensors on Yoga.
https://lkml.org/lkml/2015/11/30/441
Can you help?
Thanks,
Srinivas
On Thu, 2015-12-17 at 16:51 -0800, Srinivas Pandruvada wrote:
> On Thu, 2015-12-17 at 15:38 -0800, Nish Aravamudan wrote:
> > [Starting a new thread from https://lkml.org/lkml/2015/12/15/663,
> > as
> > now my laptop is displaying values in the sysfs *raw* files.]
> >
> > So I'm trying to understand exactly how the hid-sensor-accel-3d
> > driver works.
> >
> > If I turn up debugging, when I `cat
> > /sys/bus/iio/devices/device*/*raw*`, I see "iio iio:device3:
> > accel_3d_proc_event" and I think that means that
> > hid_sensor_push_data() is getting called.
> >
> > But read()'s on /dev/iio:device3 never produces anything, which is
> > what iio-sensor-proxy uses to translate events to dbus.
> >
> > Is it expected that the dev-node is "silent"? Just trying to
> > understand if an extension to the driver to support a chardev based
> > output is appropriate, or if iio-sensor-proxy needs to be changed
> > to
> > handle this device.
>
> You are saying there is some regression. This used to work and now it
> doesn't work. Is raw values are displayed correctly, when you do
> "cat"?
> If cat of raw values is working then power on of sensors is working.
>
> Turn on HID debug prints. If it is regression we can do git bisect.
> Any ACPI or PM changes can break this. Usually there will be GPIOs
> which will be involved in power on, where ACPI comes into play. This
> will be done by i2c-hid. There are some prints in i2c-hid which can
> be
> enabled also.
>
> Thanks,
> Srinivas
>
> > ÿôèº{.nÇ+‰·Ÿ®‰†+%ŠËÿ±éݶ\x17¥Šwÿº{.nÇ+‰·¥Š{±þG«éÿŠ{ayº\x1dʇڙë,j\a¢f£¢·hšïêÿ‘êçz_è®\x03(階ŠÝ¢j"ú\x1a¶^[m§ÿÿ¾\a«þG«éÿ¢¸?™¨èÚ&£ø§~á¶iO•æ¬z·švØ^\x14\x04\x1a¶^[m§ÿÿÃ\fÿ¶ìÿ¢¸?–I¥
^ permalink raw reply [flat|nested] 12+ messages in thread
* Re: iio/hid-sensor-accel-3d: no output from /dev/iio:device*?
2015-12-18 0:51 ` Srinivas Pandruvada
2015-12-18 1:00 ` Pandruvada, Srinivas
@ 2015-12-18 1:07 ` Nish Aravamudan
2015-12-18 1:16 ` Srinivas Pandruvada
1 sibling, 1 reply; 12+ messages in thread
From: Nish Aravamudan @ 2015-12-18 1:07 UTC (permalink / raw)
To: Srinivas Pandruvada
Cc: Jiri Kosina, Jonathan Cameron, Hartmut Knaack,
Lars-Peter Clausen, Peter Meerwald, linux-input, linux-iio,
linux-kernel, Crt Mori
On Thu, Dec 17, 2015 at 4:51 PM, Srinivas Pandruvada
<srinivas.pandruvada@linux.intel.com> wrote:
> On Thu, 2015-12-17 at 15:38 -0800, Nish Aravamudan wrote:
>> [Starting a new thread from https://lkml.org/lkml/2015/12/15/663, as
>> now my laptop is displaying values in the sysfs *raw* files.]
>>
>> So I'm trying to understand exactly how the hid-sensor-accel-3d
>> driver works.
>>
>> If I turn up debugging, when I `cat
>> /sys/bus/iio/devices/device*/*raw*`, I see "iio iio:device3:
>> accel_3d_proc_event" and I think that means that
>> hid_sensor_push_data() is getting called.
>>
>> But read()'s on /dev/iio:device3 never produces anything, which is
>> what iio-sensor-proxy uses to translate events to dbus.
>>
>> Is it expected that the dev-node is "silent"? Just trying to
>> understand if an extension to the driver to support a chardev based
>> output is appropriate, or if iio-sensor-proxy needs to be changed to
>> handle this device.
>
> You are saying there is some regression. This used to work and now it
> doesn't work. Is raw values are displayed correctly, when you do "cat"?
> If cat of raw values is working then power on of sensors is working.
Sorry, I was unclear. I don't know if this is a regression. I can try
going back to an older kernel to see if the /dev/iio:device* files
produced any output.
Yes, the *raw* files in sysfs are producing output, that is changing
as I move the laptop around. But the /dev/ nodes seem to produce no
output (I'm still reading through the driver code to understand where
that data should be coming from.
> Turn on HID debug prints. If it is regression we can do git bisect.
> Any ACPI or PM changes can break this. Usually there will be GPIOs
> which will be involved in power on, where ACPI comes into play. This
> will be done by i2c-hid. There are some prints in i2c-hid which can be
> enabled also.
Ok, I will try this, as well.
-Nish
^ permalink raw reply [flat|nested] 12+ messages in thread
* Re: iio/hid-sensor-accel-3d: no output from /dev/iio:device*?
2015-12-18 1:00 ` Pandruvada, Srinivas
@ 2015-12-18 1:08 ` Nish Aravamudan
2015-12-18 1:11 ` Pandruvada, Srinivas
0 siblings, 1 reply; 12+ messages in thread
From: Nish Aravamudan @ 2015-12-18 1:08 UTC (permalink / raw)
To: Pandruvada, Srinivas
Cc: jikos, lars, linux-kernel, knaack.h, jic23, cmo, linux-iio,
pmeerw, linux-input, Shevchenko, Andriy
On Thu, Dec 17, 2015 at 5:00 PM, Pandruvada, Srinivas
<srinivas.pandruvada@intel.com> wrote:
> Hi Andy,
>
> As per Nish these patches are impacting sensors on Yoga.
> https://lkml.org/lkml/2015/11/30/441
To be clear, without that series, the touchpad and touchscreen on the
Yoga 900 don't work at all. So they are necessary for functioning. I
don't know (I will test it now), if removing the series makes the IIO
sensors work properly in /dev/.
-Nish
> On Thu, 2015-12-17 at 16:51 -0800, Srinivas Pandruvada wrote:
>> On Thu, 2015-12-17 at 15:38 -0800, Nish Aravamudan wrote:
>> > [Starting a new thread from https://lkml.org/lkml/2015/12/15/663,
>> > as
>> > now my laptop is displaying values in the sysfs *raw* files.]
>> >
>> > So I'm trying to understand exactly how the hid-sensor-accel-3d
>> > driver works.
>> >
>> > If I turn up debugging, when I `cat
>> > /sys/bus/iio/devices/device*/*raw*`, I see "iio iio:device3:
>> > accel_3d_proc_event" and I think that means that
>> > hid_sensor_push_data() is getting called.
>> >
>> > But read()'s on /dev/iio:device3 never produces anything, which is
>> > what iio-sensor-proxy uses to translate events to dbus.
>> >
>> > Is it expected that the dev-node is "silent"? Just trying to
>> > understand if an extension to the driver to support a chardev based
>> > output is appropriate, or if iio-sensor-proxy needs to be changed
>> > to
>> > handle this device.
>>
>> You are saying there is some regression. This used to work and now it
>> doesn't work. Is raw values are displayed correctly, when you do
>> "cat"?
>> If cat of raw values is working then power on of sensors is working.
>>
>> Turn on HID debug prints. If it is regression we can do git bisect.
>> Any ACPI or PM changes can break this. Usually there will be GPIOs
>> which will be involved in power on, where ACPI comes into play. This
>> will be done by i2c-hid. There are some prints in i2c-hid which can
>> be
>> enabled also.
>>
>> Thanks,
>> Srinivas
>>
>> >
^ permalink raw reply [flat|nested] 12+ messages in thread
* Re: iio/hid-sensor-accel-3d: no output from /dev/iio:device*?
2015-12-18 1:08 ` Nish Aravamudan
@ 2015-12-18 1:11 ` Pandruvada, Srinivas
2015-12-18 2:33 ` Nish Aravamudan
0 siblings, 1 reply; 12+ messages in thread
From: Pandruvada, Srinivas @ 2015-12-18 1:11 UTC (permalink / raw)
To: nish.aravamudan
Cc: lars, linux-kernel, knaack.h, jic23, cmo, linux-iio, pmeerw,
linux-input, jikos, Shevchenko, Andriy
[-- Warning: decoded text below may be mangled, UTF-8 assumed --]
[-- Attachment #1: Type: text/plain; charset="utf-8", Size: 2500 bytes --]
On Thu, 2015-12-17 at 17:08 -0800, Nish Aravamudan wrote:
> On Thu, Dec 17, 2015 at 5:00 PM, Pandruvada, Srinivas
> <srinivas.pandruvada@intel.com> wrote:
> > Hi Andy,
> >
> > As per Nish these patches are impacting sensors on Yoga.
> > https://lkml.org/lkml/2015/11/30/441
>
> To be clear, without that series, the touchpad and touchscreen on the
> Yoga 900 don't work at all. So they are necessary for functioning. I
> don't know (I will test it now), if removing the series makes the IIO
> sensors work properly in /dev/.
This is important to know before we take Andy's time.
Thanks,
Srinivas
>
> -Nish
>
> > On Thu, 2015-12-17 at 16:51 -0800, Srinivas Pandruvada wrote:
> > > On Thu, 2015-12-17 at 15:38 -0800, Nish Aravamudan wrote:
> > > > [Starting a new thread from
> > > > https://lkml.org/lkml/2015/12/15/663,
> > > > as
> > > > now my laptop is displaying values in the sysfs *raw* files.]
> > > >
> > > > So I'm trying to understand exactly how the hid-sensor-accel-3d
> > > > driver works.
> > > >
> > > > If I turn up debugging, when I `cat
> > > > /sys/bus/iio/devices/device*/*raw*`, I see "iio iio:device3:
> > > > accel_3d_proc_event" and I think that means that
> > > > hid_sensor_push_data() is getting called.
> > > >
> > > > But read()'s on /dev/iio:device3 never produces anything, which
> > > > is
> > > > what iio-sensor-proxy uses to translate events to dbus.
> > > >
> > > > Is it expected that the dev-node is "silent"? Just trying to
> > > > understand if an extension to the driver to support a chardev
> > > > based
> > > > output is appropriate, or if iio-sensor-proxy needs to be
> > > > changed
> > > > to
> > > > handle this device.
> > >
> > > You are saying there is some regression. This used to work and
> > > now it
> > > doesn't work. Is raw values are displayed correctly, when you do
> > > "cat"?
> > > If cat of raw values is working then power on of sensors is
> > > working.
> > >
> > > Turn on HID debug prints. If it is regression we can do git
> > > bisect.
> > > Any ACPI or PM changes can break this. Usually there will be
> > > GPIOs
> > > which will be involved in power on, where ACPI comes into play.
> > > This
> > > will be done by i2c-hid. There are some prints in i2c-hid which
> > > can
> > > be
> > > enabled also.
> > >
> > > Thanks,
> > > Srinivas
> > >
> > > > ÿôèº{.nÇ+‰·Ÿ®‰†+%ŠËÿ±éݶ\x17¥Šwÿº{.nÇ+‰·¥Š{±þG«éÿŠ{ayº\x1dʇڙë,j\a¢f£¢·hšïêÿ‘êçz_è®\x03(階ŠÝ¢j"ú\x1a¶^[m§ÿÿ¾\a«þG«éÿ¢¸?™¨èÚ&£ø§~á¶iO•æ¬z·švØ^\x14\x04\x1a¶^[m§ÿÿÃ\fÿ¶ìÿ¢¸?–I¥
^ permalink raw reply [flat|nested] 12+ messages in thread
* Re: iio/hid-sensor-accel-3d: no output from /dev/iio:device*?
2015-12-18 1:07 ` Nish Aravamudan
@ 2015-12-18 1:16 ` Srinivas Pandruvada
2015-12-18 1:59 ` Nish Aravamudan
0 siblings, 1 reply; 12+ messages in thread
From: Srinivas Pandruvada @ 2015-12-18 1:16 UTC (permalink / raw)
To: Nish Aravamudan
Cc: Jiri Kosina, Jonathan Cameron, Hartmut Knaack,
Lars-Peter Clausen, Peter Meerwald, linux-input, linux-iio,
linux-kernel, Crt Mori
On Thu, 2015-12-17 at 17:07 -0800, Nish Aravamudan wrote:
> On Thu, Dec 17, 2015 at 4:51 PM, Srinivas Pandruvada
> <srinivas.pandruvada@linux.intel.com> wrote:
> > On Thu, 2015-12-17 at 15:38 -0800, Nish Aravamudan wrote:
> > > [Starting a new thread from https://lkml.org/lkml/2015/12/15/663,
> > > as
> > > now my laptop is displaying values in the sysfs *raw* files.]
> > >
> > > So I'm trying to understand exactly how the hid-sensor-accel-3d
> > > driver works.
> > >
> > > If I turn up debugging, when I `cat
> > > /sys/bus/iio/devices/device*/*raw*`, I see "iio iio:device3:
> > > accel_3d_proc_event" and I think that means that
> > > hid_sensor_push_data() is getting called.
> > >
> > > But read()'s on /dev/iio:device3 never produces anything, which
> > > is
> > > what iio-sensor-proxy uses to translate events to dbus.
> > >
> > > Is it expected that the dev-node is "silent"? Just trying to
> > > understand if an extension to the driver to support a chardev
> > > based
> > > output is appropriate, or if iio-sensor-proxy needs to be changed
> > > to
> > > handle this device.
> >
> > You are saying there is some regression. This used to work and now
> > it
> > doesn't work. Is raw values are displayed correctly, when you do
> > "cat"?
> > If cat of raw values is working then power on of sensors is
> > working.
>
> Sorry, I was unclear. I don't know if this is a regression. I can try
> going back to an older kernel to see if the /dev/iio:device* files
> produced any output.
>
> Yes, the *raw* files in sysfs are producing output, that is changing
> as I move the laptop around. But the /dev/ nodes seem to produce no
> output (I'm still reading through the driver code to understand where
> that data should be coming from.
>
> > Turn on HID debug prints. If it is regression we can do git bisect.
> > Any ACPI or PM changes can break this. Usually there will be GPIOs
> > which will be involved in power on, where ACPI comes into play.
> > This
> > will be done by i2c-hid. There are some prints in i2c-hid which can
> > be
> > enabled also.
>
> Ok, I will try this, as well.
>
Try increasing in_accel_sampling_frequency
echo 100 > in_accel_sampling_frequency
Adjust hysteresis to a low value
echo 0 > in_accel_hysteresis
These values are very vendor specific.
Thanks,
Srinivas
> -Nish
^ permalink raw reply [flat|nested] 12+ messages in thread
* Re: iio/hid-sensor-accel-3d: no output from /dev/iio:device*?
2015-12-18 1:16 ` Srinivas Pandruvada
@ 2015-12-18 1:59 ` Nish Aravamudan
0 siblings, 0 replies; 12+ messages in thread
From: Nish Aravamudan @ 2015-12-18 1:59 UTC (permalink / raw)
To: Srinivas Pandruvada
Cc: Jiri Kosina, Jonathan Cameron, Hartmut Knaack,
Lars-Peter Clausen, Peter Meerwald, linux-input, linux-iio,
linux-kernel, Crt Mori
On Thu, Dec 17, 2015 at 5:16 PM, Srinivas Pandruvada
<srinivas.pandruvada@linux.intel.com> wrote:
> On Thu, 2015-12-17 at 17:07 -0800, Nish Aravamudan wrote:
>> On Thu, Dec 17, 2015 at 4:51 PM, Srinivas Pandruvada
>> <srinivas.pandruvada@linux.intel.com> wrote:
>> > On Thu, 2015-12-17 at 15:38 -0800, Nish Aravamudan wrote:
>> > > [Starting a new thread from https://lkml.org/lkml/2015/12/15/663,
>> > > as
>> > > now my laptop is displaying values in the sysfs *raw* files.]
>> > >
>> > > So I'm trying to understand exactly how the hid-sensor-accel-3d
>> > > driver works.
>> > >
>> > > If I turn up debugging, when I `cat
>> > > /sys/bus/iio/devices/device*/*raw*`, I see "iio iio:device3:
>> > > accel_3d_proc_event" and I think that means that
>> > > hid_sensor_push_data() is getting called.
>> > >
>> > > But read()'s on /dev/iio:device3 never produces anything, which
>> > > is
>> > > what iio-sensor-proxy uses to translate events to dbus.
>> > >
>> > > Is it expected that the dev-node is "silent"? Just trying to
>> > > understand if an extension to the driver to support a chardev
>> > > based
>> > > output is appropriate, or if iio-sensor-proxy needs to be changed
>> > > to
>> > > handle this device.
>> >
>> > You are saying there is some regression. This used to work and now
>> > it
>> > doesn't work. Is raw values are displayed correctly, when you do
>> > "cat"?
>> > If cat of raw values is working then power on of sensors is
>> > working.
>>
>> Sorry, I was unclear. I don't know if this is a regression. I can try
>> going back to an older kernel to see if the /dev/iio:device* files
>> produced any output.
>>
>> Yes, the *raw* files in sysfs are producing output, that is changing
>> as I move the laptop around. But the /dev/ nodes seem to produce no
>> output (I'm still reading through the driver code to understand where
>> that data should be coming from.
>>
>> > Turn on HID debug prints. If it is regression we can do git bisect.
>> > Any ACPI or PM changes can break this. Usually there will be GPIOs
>> > which will be involved in power on, where ACPI comes into play.
>> > This
>> > will be done by i2c-hid. There are some prints in i2c-hid which can
>> > be
>> > enabled also.
>>
>> Ok, I will try this, as well.
>>
>
> Try increasing in_accel_sampling_frequency
> echo 100 > in_accel_sampling_frequency
> Adjust hysteresis to a low value
> echo 0 > in_accel_hysteresis
> These values are very vendor specific.
Adjusting the values in this way didn't seem to make any difference.
Also, `cat in_accel_hysteresis` gave EINVAL, but I was able to echo 0
to it.
-Nish
^ permalink raw reply [flat|nested] 12+ messages in thread
* Re: iio/hid-sensor-accel-3d: no output from /dev/iio:device*?
2015-12-18 1:11 ` Pandruvada, Srinivas
@ 2015-12-18 2:33 ` Nish Aravamudan
2015-12-18 2:50 ` Pandruvada, Srinivas
0 siblings, 1 reply; 12+ messages in thread
From: Nish Aravamudan @ 2015-12-18 2:33 UTC (permalink / raw)
To: Pandruvada, Srinivas
Cc: lars, linux-kernel, knaack.h, jic23, cmo, linux-iio, pmeerw,
linux-input, jikos, Shevchenko, Andriy
On Thu, Dec 17, 2015 at 5:11 PM, Pandruvada, Srinivas
<srinivas.pandruvada@intel.com> wrote:
> On Thu, 2015-12-17 at 17:08 -0800, Nish Aravamudan wrote:
>> On Thu, Dec 17, 2015 at 5:00 PM, Pandruvada, Srinivas
>> <srinivas.pandruvada@intel.com> wrote:
>> > Hi Andy,
>> >
>> > As per Nish these patches are impacting sensors on Yoga.
>> > https://lkml.org/lkml/2015/11/30/441
>>
>> To be clear, without that series, the touchpad and touchscreen on the
>> Yoga 900 don't work at all. So they are necessary for functioning. I
>> don't know (I will test it now), if removing the series makes the IIO
>> sensors work properly in /dev/.
> This is important to know before we take Andy's time.
It seems like Andy's patches are not the problem. That is, with stock
4.4-rc5, the accelerommeter /dev files still do not update.
-Nish
^ permalink raw reply [flat|nested] 12+ messages in thread
* Re: iio/hid-sensor-accel-3d: no output from /dev/iio:device*?
2015-12-18 2:33 ` Nish Aravamudan
@ 2015-12-18 2:50 ` Pandruvada, Srinivas
2015-12-18 3:06 ` Nish Aravamudan
0 siblings, 1 reply; 12+ messages in thread
From: Pandruvada, Srinivas @ 2015-12-18 2:50 UTC (permalink / raw)
To: nish.aravamudan
Cc: lars, linux-kernel, knaack.h, jic23, cmo, linux-iio, pmeerw,
linux-input, jikos, Shevchenko, Andriy
[-- Warning: decoded text below may be mangled, UTF-8 assumed --]
[-- Attachment #1: Type: text/plain; charset="utf-8", Size: 1323 bytes --]
On Thu, 2015-12-17 at 18:33 -0800, Nish Aravamudan wrote:
> On Thu, Dec 17, 2015 at 5:11 PM, Pandruvada, Srinivas
> <srinivas.pandruvada@intel.com> wrote:
> > On Thu, 2015-12-17 at 17:08 -0800, Nish Aravamudan wrote:
> > > On Thu, Dec 17, 2015 at 5:00 PM, Pandruvada, Srinivas
> > > <srinivas.pandruvada@intel.com> wrote:
> > > > Hi Andy,
> > > >
> > > > As per Nish these patches are impacting sensors on Yoga.
> > > > https://lkml.org/lkml/2015/11/30/441
> > >
> > > To be clear, without that series, the touchpad and touchscreen on
> > > the
> > > Yoga 900 don't work at all. So they are necessary for
> > > functioning. I
> > > don't know (I will test it now), if removing the series makes the
> > > IIO
> > > sensors work properly in /dev/.
> > This is important to know before we take Andy's time.
>
> It seems like Andy's patches are not the problem. That is, with stock
> 4.4-rc5, the accelerommeter /dev files still do not update.
>
Can you not use raw values by polling from user space? Send me
report description. It should be in
/sys/kernel/debug/hid/ "your device id" /redesc.
Also device id ("your device id") above.
Thanks,
Srinivas
> -Nishÿôèº{.nÇ+‰·Ÿ®‰†+%ŠËÿ±éݶ\x17¥Šwÿº{.nÇ+‰·¥Š{±þG«éÿŠ{ayº\x1dʇڙë,j\a¢f£¢·hšïêÿ‘êçz_è®\x03(階ŠÝ¢j"ú\x1a¶^[m§ÿÿ¾\a«þG«éÿ¢¸?™¨èÚ&£ø§~á¶iO•æ¬z·švØ^\x14\x04\x1a¶^[m§ÿÿÃ\fÿ¶ìÿ¢¸?–I¥
^ permalink raw reply [flat|nested] 12+ messages in thread
* Re: iio/hid-sensor-accel-3d: no output from /dev/iio:device*?
2015-12-18 2:50 ` Pandruvada, Srinivas
@ 2015-12-18 3:06 ` Nish Aravamudan
2015-12-18 16:58 ` Pandruvada, Srinivas
0 siblings, 1 reply; 12+ messages in thread
From: Nish Aravamudan @ 2015-12-18 3:06 UTC (permalink / raw)
To: Pandruvada, Srinivas
Cc: lars, linux-kernel, knaack.h, jic23, cmo, linux-iio, pmeerw,
linux-input, jikos, Shevchenko, Andriy
[-- Attachment #1: Type: text/plain, Size: 1479 bytes --]
On Thu, Dec 17, 2015 at 6:50 PM, Pandruvada, Srinivas
<srinivas.pandruvada@intel.com> wrote:
> On Thu, 2015-12-17 at 18:33 -0800, Nish Aravamudan wrote:
>> On Thu, Dec 17, 2015 at 5:11 PM, Pandruvada, Srinivas
>> <srinivas.pandruvada@intel.com> wrote:
>> > On Thu, 2015-12-17 at 17:08 -0800, Nish Aravamudan wrote:
>> > > On Thu, Dec 17, 2015 at 5:00 PM, Pandruvada, Srinivas
>> > > <srinivas.pandruvada@intel.com> wrote:
>> > > > Hi Andy,
>> > > >
>> > > > As per Nish these patches are impacting sensors on Yoga.
>> > > > https://lkml.org/lkml/2015/11/30/441
>> > >
>> > > To be clear, without that series, the touchpad and touchscreen on
>> > > the
>> > > Yoga 900 don't work at all. So they are necessary for
>> > > functioning. I
>> > > don't know (I will test it now), if removing the series makes the
>> > > IIO
>> > > sensors work properly in /dev/.
>> > This is important to know before we take Andy's time.
>>
>> It seems like Andy's patches are not the problem. That is, with stock
>> 4.4-rc5, the accelerommeter /dev files still do not update.
>>
> Can you not use raw values by polling from user space? Send me
> report description. It should be in
> /sys/kernel/debug/hid/ "your device id" /redesc.
The underlying issue is that iio-sensor-proxy relies on values from
the corresponding /dev nodes to automatically rotate the screen, etc.
in the desktop environment.
Attached due to its size.
> Also device id ("your device id") above.
0018:048D:8396.0002
-Nish
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Report Count(1)
Report Offset(144)
Flags( Array Absolute )
INPUT(6)[INPUT]
Field(0)
Physical(Sensor.LightAmbientLight)
Logical(Sensor.0201)
Application(Sensor.Sensor)
Usage(7)
Sensor.0800
Sensor.0801
Sensor.0802
Sensor.0803
Sensor.0804
Sensor.0805
Sensor.0806
Logical Minimum(0)
Logical Maximum(6)
Report Size(8)
Report Count(1)
Report Offset(0)
Flags( Array Absolute )
Field(1)
Physical(Sensor.LightAmbientLight)
Logical(Sensor.0202)
Application(Sensor.Sensor)
Usage(6)
Sensor.0810
Sensor.0811
Sensor.0812
Sensor.0813
Sensor.0814
Sensor.0815
Logical Minimum(0)
Logical Maximum(5)
Report Size(8)
Report Count(1)
Report Offset(8)
Flags( Array Absolute )
Field(2)
Physical(Sensor.LightAmbientLight)
Application(Sensor.Sensor)
Usage(1)
Sensor.04d1
Logical Minimum(0)
Logical Maximum(-1)
Unit Exponent(-2)
Report Size(32)
Report Count(1)
Report Offset(16)
Flags( Variable Absolute )
INPUT(7)[INPUT]
Field(0)
Physical(Sensor.OtherCustom)
Logical(Sensor.0201)
Application(Sensor.Sensor)
Usage(7)
Sensor.0800
Sensor.0801
Sensor.0802
Sensor.0803
Sensor.0804
Sensor.0805
Sensor.0806
Logical Minimum(0)
Logical Maximum(6)
Unit Exponent(-1)
Report Size(8)
Report Count(1)
Report Offset(0)
Flags( Array Absolute )
Field(1)
Physical(Sensor.OtherCustom)
Logical(Sensor.0202)
Application(Sensor.Sensor)
Usage(6)
Sensor.0810
Sensor.0811
Sensor.0812
Sensor.0813
Sensor.0814
Sensor.0815
Logical Minimum(0)
Logical Maximum(5)
Unit Exponent(-1)
Report Size(8)
Report Count(1)
Report Offset(8)
Flags( Array Absolute )
Field(2)
Physical(Sensor.OtherCustom)
Application(Sensor.Sensor)
Usage(1)
Sensor.0544
Logical Minimum(-32767)
Logical Maximum(32767)
Unit Exponent(-3)
Report Size(16)
Report Count(1)
Report Offset(16)
Flags( Variable Absolute )
Field(3)
Physical(Sensor.OtherCustom)
Application(Sensor.Sensor)
Usage(1)
Sensor.0545
Logical Minimum(-32767)
Logical Maximum(32767)
Unit Exponent(-3)
Report Size(16)
Report Count(1)
Report Offset(32)
Flags( Variable Absolute )
Field(4)
Physical(Sensor.OtherCustom)
Application(Sensor.Sensor)
Usage(1)
Sensor.0546
Logical Minimum(-32767)
Logical Maximum(32767)
Unit Exponent(-3)
Report Size(16)
Report Count(1)
Report Offset(48)
Flags( Variable Absolute )
Field(5)
Physical(Sensor.OtherCustom)
Application(Sensor.Sensor)
Usage(1)
Sensor.0547
Logical Minimum(-32767)
Logical Maximum(32767)
Unit Exponent(-1)
Report Size(16)
Report Count(1)
Report Offset(64)
Flags( Variable Absolute )
Field(6)
Physical(Sensor.OtherCustom)
Application(Sensor.Sensor)
Usage(1)
Sensor.0548
Logical Minimum(-32767)
Logical Maximum(32767)
Unit Exponent(-1)
Report Size(16)
Report Count(1)
Report Offset(80)
Flags( Variable Absolute )
Field(7)
Physical(Sensor.OtherCustom)
Application(Sensor.Sensor)
Usage(1)
Sensor.0549
Logical Minimum(-32767)
Logical Maximum(32767)
Unit Exponent(-1)
Report Size(16)
Report Count(1)
Report Offset(96)
Flags( Variable Absolute )
FEATURE(90)[FEATURE]
Field(0)
Application(ff83.0080)
Usage(16)
ff83.0001
ff83.0001
ff83.0001
ff83.0001
ff83.0001
ff83.0001
ff83.0001
ff83.0001
ff83.0001
ff83.0001
ff83.0001
ff83.0001
ff83.0001
ff83.0001
ff83.0001
ff83.0001
Logical Minimum(0)
Logical Maximum(255)
Report Size(8)
Report Count(16)
Report Offset(0)
Flags( Array Absolute )
FEATURE(1)[FEATURE]
Field(0)
Physical(Sensor.MotionAccelerometer3D)
Logical(Sensor.0309)
Application(Sensor.Sensor)
Usage(3)
Sensor.0830
Sensor.0831
Sensor.0832
Logical Minimum(0)
Logical Maximum(2)
Report Size(8)
Report Count(1)
Report Offset(0)
Flags( Array Absolute )
Field(1)
Physical(Sensor.MotionAccelerometer3D)
Logical(Sensor.0316)
Application(Sensor.Sensor)
Usage(6)
Sensor.0840
Sensor.0841
Sensor.0842
Sensor.0843
Sensor.0844
Sensor.0845
Logical Minimum(0)
Logical Maximum(5)
Report Size(8)
Report Count(1)
Report Offset(8)
Flags( Array Absolute )
Field(2)
Physical(Sensor.MotionAccelerometer3D)
Logical(Sensor.0319)
Application(Sensor.Sensor)
Usage(6)
Sensor.0850
Sensor.0851
Sensor.0852
Sensor.0853
Sensor.0854
Sensor.0855
Logical Minimum(0)
Logical Maximum(5)
Report Size(8)
Report Count(1)
Report Offset(16)
Flags( Array Absolute )
Field(3)
Physical(Sensor.MotionAccelerometer3D)
Logical(Sensor.0201)
Application(Sensor.Sensor)
Usage(7)
Sensor.0800
Sensor.0801
Sensor.0802
Sensor.0803
Sensor.0804
Sensor.0805
Sensor.0806
Logical Minimum(0)
Logical Maximum(6)
Report Size(8)
Report Count(1)
Report Offset(24)
Flags( Array Absolute )
Field(4)
Physical(Sensor.MotionAccelerometer3D)
Application(Sensor.Sensor)
Usage(1)
Sensor.030e
Logical Minimum(10)
Logical Maximum(-1)
Report Size(32)
Report Count(1)
Report Offset(32)
Flags( Variable Absolute )
Field(5)
Physical(Sensor.MotionAccelerometer3D)
Application(Sensor.Sensor)
Usage(1)
Sensor.0313
Logical Minimum(-32767)
Logical Maximum(32767)
Unit Exponent(-3)
Report Size(16)
Report Count(1)
Report Offset(64)
Flags( Variable Absolute )
Field(6)
Physical(Sensor.MotionAccelerometer3D)
Application(Sensor.Sensor)
Usage(1)
Sensor.0312
Logical Minimum(-32767)
Logical Maximum(32767)
Unit Exponent(-3)
Report Size(16)
Report Count(1)
Report Offset(80)
Flags( Variable Absolute )
Field(7)
Physical(Sensor.MotionAccelerometer3D)
Application(Sensor.Sensor)
Usage(1)
Sensor.1452
Logical Minimum(0)
Logical Maximum(65535)
Unit Exponent(-3)
Report Size(16)
Report Count(1)
Report Offset(96)
Flags( Variable Absolute )
Field(8)
Physical(Sensor.MotionAccelerometer3D)
Application(Sensor.Sensor)
Usage(1)
Sensor.2452
Logical Minimum(-32767)
Logical Maximum(32767)
Unit Exponent(-3)
Report Size(16)
Report Count(1)
Report Offset(112)
Flags( Variable Absolute )
Field(9)
Physical(Sensor.MotionAccelerometer3D)
Application(Sensor.Sensor)
Usage(1)
Sensor.3452
Logical Minimum(-32767)
Logical Maximum(32767)
Unit Exponent(-3)
Report Size(16)
Report Count(1)
Report Offset(128)
Flags( Variable Absolute )
FEATURE(2)[FEATURE]
Field(0)
Physical(Sensor.MotionGyrometer3D)
Logical(Sensor.0309)
Application(Sensor.Sensor)
Usage(3)
Sensor.0830
Sensor.0831
Sensor.0832
Logical Minimum(0)
Logical Maximum(2)
Unit Exponent(-3)
Report Size(8)
Report Count(1)
Report Offset(0)
Flags( Array Absolute )
Field(1)
Physical(Sensor.MotionGyrometer3D)
Logical(Sensor.0316)
Application(Sensor.Sensor)
Usage(6)
Sensor.0840
Sensor.0841
Sensor.0842
Sensor.0843
Sensor.0844
Sensor.0845
Logical Minimum(0)
Logical Maximum(5)
Unit Exponent(-3)
Report Size(8)
Report Count(1)
Report Offset(8)
Flags( Array Absolute )
Field(2)
Physical(Sensor.MotionGyrometer3D)
Logical(Sensor.0319)
Application(Sensor.Sensor)
Usage(6)
Sensor.0850
Sensor.0851
Sensor.0852
Sensor.0853
Sensor.0854
Sensor.0855
Logical Minimum(0)
Logical Maximum(5)
Unit Exponent(-3)
Report Size(8)
Report Count(1)
Report Offset(16)
Flags( Array Absolute )
Field(3)
Physical(Sensor.MotionGyrometer3D)
Logical(Sensor.0201)
Application(Sensor.Sensor)
Usage(7)
Sensor.0800
Sensor.0801
Sensor.0802
Sensor.0803
Sensor.0804
Sensor.0805
Sensor.0806
Logical Minimum(0)
Logical Maximum(6)
Unit Exponent(-3)
Report Size(8)
Report Count(1)
Report Offset(24)
Flags( Array Absolute )
Field(4)
Physical(Sensor.MotionGyrometer3D)
Application(Sensor.Sensor)
Usage(1)
Sensor.030e
Logical Minimum(10)
Logical Maximum(-1)
Report Size(32)
Report Count(1)
Report Offset(32)
Flags( Variable Absolute )
Field(5)
Physical(Sensor.MotionGyrometer3D)
Application(Sensor.Sensor)
Usage(1)
Sensor.0313
Logical Minimum(131071)
Logical Maximum(-32769)
Unit Exponent(-5)
Report Size(32)
Report Count(1)
Report Offset(64)
Flags( Variable Absolute )
Field(6)
Physical(Sensor.MotionGyrometer3D)
Application(Sensor.Sensor)
Usage(1)
Sensor.0312
Logical Minimum(131071)
Logical Maximum(-32769)
Unit Exponent(-5)
Report Size(32)
Report Count(1)
Report Offset(96)
Flags( Variable Absolute )
Field(7)
Physical(Sensor.MotionGyrometer3D)
Application(Sensor.Sensor)
Usage(1)
Sensor.1456
Logical Minimum(-10000000)
Logical Maximum(10000000)
Unit Exponent(-5)
Report Size(32)
Report Count(1)
Report Offset(128)
Flags( Variable Absolute )
Field(8)
Physical(Sensor.MotionGyrometer3D)
Application(Sensor.Sensor)
Usage(1)
Sensor.2456
Logical Minimum(131071)
Logical Maximum(-32769)
Unit Exponent(-5)
Report Size(32)
Report Count(1)
Report Offset(160)
Flags( Variable Absolute )
Field(9)
Physical(Sensor.MotionGyrometer3D)
Application(Sensor.Sensor)
Usage(1)
Sensor.3456
Logical Minimum(131071)
Logical Maximum(-32769)
Unit Exponent(-5)
Report Size(32)
Report Count(1)
Report Offset(192)
Flags( Variable Absolute )
FEATURE(3)[FEATURE]
Field(0)
Physical(Sensor.OrientationCompass3D)
Logical(Sensor.0309)
Application(Sensor.Sensor)
Usage(3)
Sensor.0830
Sensor.0831
Sensor.0832
Logical Minimum(0)
Logical Maximum(2)
Unit Exponent(-5)
Report Size(8)
Report Count(1)
Report Offset(0)
Flags( Array Absolute )
Field(1)
Physical(Sensor.OrientationCompass3D)
Logical(Sensor.0316)
Application(Sensor.Sensor)
Usage(6)
Sensor.0840
Sensor.0841
Sensor.0842
Sensor.0843
Sensor.0844
Sensor.0845
Logical Minimum(0)
Logical Maximum(5)
Unit Exponent(-5)
Report Size(8)
Report Count(1)
Report Offset(8)
Flags( Array Absolute )
Field(2)
Physical(Sensor.OrientationCompass3D)
Logical(Sensor.0319)
Application(Sensor.Sensor)
Usage(6)
Sensor.0850
Sensor.0851
Sensor.0852
Sensor.0853
Sensor.0854
Sensor.0855
Logical Minimum(0)
Logical Maximum(5)
Unit Exponent(-5)
Report Size(8)
Report Count(1)
Report Offset(16)
Flags( Array Absolute )
Field(3)
Physical(Sensor.OrientationCompass3D)
Logical(Sensor.0201)
Application(Sensor.Sensor)
Usage(7)
Sensor.0800
Sensor.0801
Sensor.0802
Sensor.0803
Sensor.0804
Sensor.0805
Sensor.0806
Logical Minimum(0)
Logical Maximum(6)
Unit Exponent(-5)
Report Size(8)
Report Count(1)
Report Offset(24)
Flags( Array Absolute )
Field(4)
Physical(Sensor.OrientationCompass3D)
Application(Sensor.Sensor)
Usage(1)
Sensor.030e
Logical Minimum(10)
Logical Maximum(-1)
Report Size(32)
Report Count(1)
Report Offset(32)
Flags( Variable Absolute )
Field(5)
Physical(Sensor.OrientationCompass3D)
Application(Sensor.Sensor)
Usage(1)
Sensor.5475
Logical Minimum(-32767)
Logical Maximum(32767)
Unit Exponent(-1)
Report Size(16)
Report Count(1)
Report Offset(64)
Flags( Variable Absolute )
Field(6)
Physical(Sensor.OrientationCompass3D)
Application(Sensor.Sensor)
Usage(1)
Sensor.4475
Logical Minimum(-32767)
Logical Maximum(32767)
Unit Exponent(-1)
Report Size(16)
Report Count(1)
Report Offset(80)
Flags( Variable Absolute )
Field(7)
Physical(Sensor.OrientationCompass3D)
Application(Sensor.Sensor)
Usage(1)
Sensor.1475
Logical Minimum(0)
Logical Maximum(65535)
Unit Exponent(-1)
Report Size(16)
Report Count(1)
Report Offset(96)
Flags( Variable Absolute )
Field(8)
Physical(Sensor.OrientationCompass3D)
Application(Sensor.Sensor)
Usage(1)
Sensor.2475
Logical Minimum(-32767)
Logical Maximum(32767)
Unit Exponent(-1)
Report Size(16)
Report Count(1)
Report Offset(112)
Flags( Variable Absolute )
Field(9)
Physical(Sensor.OrientationCompass3D)
Application(Sensor.Sensor)
Usage(1)
Sensor.3475
Logical Minimum(-32767)
Logical Maximum(32767)
Unit Exponent(-1)
Report Size(16)
Report Count(1)
Report Offset(128)
Flags( Variable Absolute )
Field(10)
Physical(Sensor.OrientationCompass3D)
Application(Sensor.Sensor)
Usage(1)
Sensor.5484
Logical Minimum(1114111)
Logical Maximum(-32769)
Unit Exponent(-3)
Report Size(32)
Report Count(1)
Report Offset(144)
Flags( Variable Absolute )
Field(11)
Physical(Sensor.OrientationCompass3D)
Application(Sensor.Sensor)
Usage(1)
Sensor.4484
Logical Minimum(1114111)
Logical Maximum(-32769)
Unit Exponent(-3)
Report Size(32)
Report Count(1)
Report Offset(176)
Flags( Variable Absolute )
Field(12)
Physical(Sensor.OrientationCompass3D)
Application(Sensor.Sensor)
Usage(1)
Sensor.1484
Logical Minimum(0)
Logical Maximum(65535)
Unit Exponent(-3)
Report Size(32)
Report Count(1)
Report Offset(208)
Flags( Variable Absolute )
Field(13)
Physical(Sensor.OrientationCompass3D)
Application(Sensor.Sensor)
Usage(1)
Sensor.2484
Logical Minimum(1114111)
Logical Maximum(-32769)
Unit Exponent(-3)
Report Size(32)
Report Count(1)
Report Offset(240)
Flags( Variable Absolute )
Field(14)
Physical(Sensor.OrientationCompass3D)
Application(Sensor.Sensor)
Usage(1)
Sensor.3484
Logical Minimum(1114111)
Logical Maximum(-32769)
Unit Exponent(-3)
Report Size(32)
Report Count(1)
Report Offset(272)
Flags( Variable Absolute )
FEATURE(4)[FEATURE]
Field(0)
Physical(Sensor.OrientationInclinometer3D)
Logical(Sensor.0309)
Application(Sensor.Sensor)
Usage(3)
Sensor.0830
Sensor.0831
Sensor.0832
Logical Minimum(0)
Logical Maximum(2)
Unit Exponent(-3)
Report Size(8)
Report Count(1)
Report Offset(0)
Flags( Array Absolute )
Field(1)
Physical(Sensor.OrientationInclinometer3D)
Logical(Sensor.0316)
Application(Sensor.Sensor)
Usage(6)
Sensor.0840
Sensor.0841
Sensor.0842
Sensor.0843
Sensor.0844
Sensor.0845
Logical Minimum(0)
Logical Maximum(5)
Unit Exponent(-3)
Report Size(8)
Report Count(1)
Report Offset(8)
Flags( Array Absolute )
Field(2)
Physical(Sensor.OrientationInclinometer3D)
Logical(Sensor.0319)
Application(Sensor.Sensor)
Usage(6)
Sensor.0850
Sensor.0851
Sensor.0852
Sensor.0853
Sensor.0854
Sensor.0855
Logical Minimum(0)
Logical Maximum(5)
Unit Exponent(-3)
Report Size(8)
Report Count(1)
Report Offset(16)
Flags( Array Absolute )
Field(3)
Physical(Sensor.OrientationInclinometer3D)
Logical(Sensor.0201)
Application(Sensor.Sensor)
Usage(7)
Sensor.0800
Sensor.0801
Sensor.0802
Sensor.0803
Sensor.0804
Sensor.0805
Sensor.0806
Logical Minimum(0)
Logical Maximum(6)
Unit Exponent(-3)
Report Size(8)
Report Count(1)
Report Offset(24)
Flags( Array Absolute )
Field(4)
Physical(Sensor.OrientationInclinometer3D)
Application(Sensor.Sensor)
Usage(1)
Sensor.030e
Logical Minimum(10)
Logical Maximum(-1)
Report Size(32)
Report Count(1)
Report Offset(32)
Flags( Variable Absolute )
Field(5)
Physical(Sensor.OrientationInclinometer3D)
Application(Sensor.Sensor)
Usage(1)
Sensor.0313
Logical Minimum(-32767)
Logical Maximum(32767)
Unit Exponent(-1)
Report Size(16)
Report Count(1)
Report Offset(64)
Flags( Variable Absolute )
Field(6)
Physical(Sensor.OrientationInclinometer3D)
Application(Sensor.Sensor)
Usage(1)
Sensor.0312
Logical Minimum(-32767)
Logical Maximum(32767)
Unit Exponent(-1)
Report Size(16)
Report Count(1)
Report Offset(80)
Flags( Variable Absolute )
Field(7)
Physical(Sensor.OrientationInclinometer3D)
Application(Sensor.Sensor)
Usage(1)
Sensor.147e
Logical Minimum(0)
Logical Maximum(65535)
Unit Exponent(-1)
Report Size(16)
Report Count(1)
Report Offset(96)
Flags( Variable Absolute )
Field(8)
Physical(Sensor.OrientationInclinometer3D)
Application(Sensor.Sensor)
Usage(1)
Sensor.247e
Logical Minimum(-32767)
Logical Maximum(32767)
Unit Exponent(-1)
Report Size(16)
Report Count(1)
Report Offset(112)
Flags( Variable Absolute )
Field(9)
Physical(Sensor.OrientationInclinometer3D)
Application(Sensor.Sensor)
Usage(1)
Sensor.347e
Logical Minimum(-32767)
Logical Maximum(32767)
Unit Exponent(-1)
Report Size(16)
Report Count(1)
Report Offset(128)
Flags( Variable Absolute )
FEATURE(5)[FEATURE]
Field(0)
Physical(Sensor.OrientationDeviceOrientation)
Logical(Sensor.0309)
Application(Sensor.Sensor)
Usage(3)
Sensor.0830
Sensor.0831
Sensor.0832
Logical Minimum(0)
Logical Maximum(2)
Unit Exponent(-1)
Report Size(8)
Report Count(1)
Report Offset(0)
Flags( Array Absolute )
Field(1)
Physical(Sensor.OrientationDeviceOrientation)
Logical(Sensor.0316)
Application(Sensor.Sensor)
Usage(6)
Sensor.0840
Sensor.0841
Sensor.0842
Sensor.0843
Sensor.0844
Sensor.0845
Logical Minimum(0)
Logical Maximum(5)
Unit Exponent(-1)
Report Size(8)
Report Count(1)
Report Offset(8)
Flags( Array Absolute )
Field(2)
Physical(Sensor.OrientationDeviceOrientation)
Logical(Sensor.0319)
Application(Sensor.Sensor)
Usage(6)
Sensor.0850
Sensor.0851
Sensor.0852
Sensor.0853
Sensor.0854
Sensor.0855
Logical Minimum(0)
Logical Maximum(5)
Unit Exponent(-1)
Report Size(8)
Report Count(1)
Report Offset(16)
Flags( Array Absolute )
Field(3)
Physical(Sensor.OrientationDeviceOrientation)
Logical(Sensor.0201)
Application(Sensor.Sensor)
Usage(7)
Sensor.0800
Sensor.0801
Sensor.0802
Sensor.0803
Sensor.0804
Sensor.0805
Sensor.0806
Logical Minimum(0)
Logical Maximum(6)
Unit Exponent(-1)
Report Size(8)
Report Count(1)
Report Offset(24)
Flags( Array Absolute )
Field(4)
Physical(Sensor.OrientationDeviceOrientation)
Application(Sensor.Sensor)
Usage(1)
Sensor.030e
Logical Minimum(10)
Logical Maximum(-1)
Report Size(32)
Report Count(1)
Report Offset(32)
Flags( Variable Absolute )
Field(5)
Physical(Sensor.OrientationDeviceOrientation)
Application(Sensor.Sensor)
Usage(1)
Sensor.5483
Logical Minimum(-10000000)
Logical Maximum(10000000)
Unit Exponent(-7)
Report Size(32)
Report Count(1)
Report Offset(64)
Flags( Variable Absolute )
Field(6)
Physical(Sensor.OrientationDeviceOrientation)
Application(Sensor.Sensor)
Usage(1)
Sensor.4483
Logical Minimum(-10000000)
Logical Maximum(10000000)
Unit Exponent(-7)
Report Size(32)
Report Count(1)
Report Offset(96)
Flags( Variable Absolute )
Field(7)
Physical(Sensor.OrientationDeviceOrientation)
Application(Sensor.Sensor)
Usage(1)
Sensor.1483
Logical Minimum(-10000000)
Logical Maximum(10000000)
Unit Exponent(-7)
Report Size(32)
Report Count(1)
Report Offset(128)
Flags( Variable Absolute )
Field(8)
Physical(Sensor.OrientationDeviceOrientation)
Application(Sensor.Sensor)
Usage(1)
Sensor.2483
Logical Minimum(-10000000)
Logical Maximum(10000000)
Unit Exponent(-7)
Report Size(32)
Report Count(1)
Report Offset(160)
Flags( Variable Absolute )
Field(9)
Physical(Sensor.OrientationDeviceOrientation)
Application(Sensor.Sensor)
Usage(1)
Sensor.3483
Logical Minimum(-10000000)
Logical Maximum(10000000)
Unit Exponent(-7)
Report Size(32)
Report Count(1)
Report Offset(192)
Flags( Variable Absolute )
FEATURE(6)[FEATURE]
Field(0)
Physical(Sensor.LightAmbientLight)
Logical(Sensor.0309)
Application(Sensor.Sensor)
Usage(3)
Sensor.0830
Sensor.0831
Sensor.0832
Logical Minimum(0)
Logical Maximum(2)
Unit Exponent(-7)
Report Size(8)
Report Count(1)
Report Offset(0)
Flags( Array Absolute )
Field(1)
Physical(Sensor.LightAmbientLight)
Logical(Sensor.0316)
Application(Sensor.Sensor)
Usage(6)
Sensor.0840
Sensor.0841
Sensor.0842
Sensor.0843
Sensor.0844
Sensor.0845
Logical Minimum(0)
Logical Maximum(5)
Unit Exponent(-7)
Report Size(8)
Report Count(1)
Report Offset(8)
Flags( Array Absolute )
Field(2)
Physical(Sensor.LightAmbientLight)
Logical(Sensor.0319)
Application(Sensor.Sensor)
Usage(6)
Sensor.0850
Sensor.0851
Sensor.0852
Sensor.0853
Sensor.0854
Sensor.0855
Logical Minimum(0)
Logical Maximum(5)
Unit Exponent(-7)
Report Size(8)
Report Count(1)
Report Offset(16)
Flags( Array Absolute )
Field(3)
Physical(Sensor.LightAmbientLight)
Logical(Sensor.0201)
Application(Sensor.Sensor)
Usage(7)
Sensor.0800
Sensor.0801
Sensor.0802
Sensor.0803
Sensor.0804
Sensor.0805
Sensor.0806
Logical Minimum(0)
Logical Maximum(6)
Unit Exponent(-7)
Report Size(8)
Report Count(1)
Report Offset(24)
Flags( Array Absolute )
Field(4)
Physical(Sensor.LightAmbientLight)
Application(Sensor.Sensor)
Usage(1)
Sensor.030e
Logical Minimum(50)
Logical Maximum(-1)
Report Size(32)
Report Count(1)
Report Offset(32)
Flags( Variable Absolute )
Field(5)
Physical(Sensor.LightAmbientLight)
Application(Sensor.Sensor)
Usage(1)
Sensor.e4d1
Logical Minimum(0)
Logical Maximum(10000)
Unit Exponent(-2)
Report Size(16)
Report Count(1)
Report Offset(64)
Flags( Variable Absolute )
Field(6)
Physical(Sensor.LightAmbientLight)
Application(Sensor.Sensor)
Usage(1)
Sensor.24d1
Logical Minimum(0)
Logical Maximum(65535)
Report Size(16)
Report Count(1)
Report Offset(80)
Flags( Variable Absolute )
Field(7)
Physical(Sensor.LightAmbientLight)
Application(Sensor.Sensor)
Usage(1)
Sensor.34d1
Logical Minimum(0)
Logical Maximum(65535)
Report Size(16)
Report Count(1)
Report Offset(96)
Flags( Variable Absolute )
Field(8)
Physical(Sensor.LightAmbientLight)
Application(Sensor.Sensor)
Usage(12)
Sensor.0318
Sensor.0318
Sensor.0318
Sensor.0318
Sensor.0318
Sensor.0318
Sensor.0318
Sensor.0318
Sensor.0318
Sensor.0318
Sensor.0318
Sensor.0318
Logical Minimum(-32767)
Logical Maximum(32767)
Report Size(16)
Report Count(12)
Report Offset(112)
Flags( Variable Absolute )
FEATURE(7)[FEATURE]
Field(0)
Physical(Sensor.OtherCustom)
Logical(Sensor.0309)
Application(Sensor.Sensor)
Usage(3)
Sensor.0830
Sensor.0831
Sensor.0832
Logical Minimum(0)
Logical Maximum(2)
Unit Exponent(-2)
Report Size(8)
Report Count(1)
Report Offset(0)
Flags( Array Absolute )
Field(1)
Physical(Sensor.OtherCustom)
Logical(Sensor.0316)
Application(Sensor.Sensor)
Usage(6)
Sensor.0840
Sensor.0841
Sensor.0842
Sensor.0843
Sensor.0844
Sensor.0845
Logical Minimum(0)
Logical Maximum(5)
Unit Exponent(-2)
Report Size(8)
Report Count(1)
Report Offset(8)
Flags( Array Absolute )
Field(2)
Physical(Sensor.OtherCustom)
Logical(Sensor.0319)
Application(Sensor.Sensor)
Usage(6)
Sensor.0850
Sensor.0851
Sensor.0852
Sensor.0853
Sensor.0854
Sensor.0855
Logical Minimum(0)
Logical Maximum(5)
Unit Exponent(-2)
Report Size(8)
Report Count(1)
Report Offset(16)
Flags( Array Absolute )
Field(3)
Physical(Sensor.OtherCustom)
Logical(Sensor.0201)
Application(Sensor.Sensor)
Usage(7)
Sensor.0800
Sensor.0801
Sensor.0802
Sensor.0803
Sensor.0804
Sensor.0805
Sensor.0806
Logical Minimum(0)
Logical Maximum(6)
Unit Exponent(-2)
Report Size(8)
Report Count(1)
Report Offset(24)
Flags( Array Absolute )
Field(4)
Physical(Sensor.OtherCustom)
Application(Sensor.Sensor)
Usage(1)
Sensor.030e
Logical Minimum(10)
Logical Maximum(-1)
Report Size(32)
Report Count(1)
Report Offset(32)
Flags( Variable Absolute )
Field(5)
Physical(Sensor.OtherCustom)
Application(Sensor.Sensor)
Usage(1)
Sensor.1543
Logical Minimum(0)
Logical Maximum(65535)
Unit Exponent(-1)
Report Size(16)
Report Count(1)
Report Offset(64)
Flags( Variable Absolute )
Field(6)
Physical(Sensor.OtherCustom)
Application(Sensor.Sensor)
Usage(11)
Sensor.0306
Sensor.0306
Sensor.0306
Sensor.0306
Sensor.0306
Sensor.0306
Sensor.0306
Sensor.0306
Sensor.0306
Sensor.0306
Sensor.0306
Logical Minimum(0)
Logical Maximum(65535)
Unit Exponent(-1)
Report Size(16)
Report Count(11)
Report Offset(80)
Flags( Variable Absolute )
Sensor.0800 ---> Sync.Report
Sensor.0801 ---> Sync.Report
Sensor.0802 ---> Sync.Report
Sensor.0803 ---> Sync.Report
Sensor.0804 ---> Sync.Report
Sensor.0805 ---> Sync.Report
Sensor.0806 ---> Sync.Report
Sensor.0810 ---> Sync.Report
Sensor.0811 ---> Sync.Report
Sensor.0812 ---> Sync.Report
Sensor.0813 ---> Sync.Report
Sensor.0814 ---> Sync.Report
Sensor.0815 ---> Sync.Report
Sensor.0453 ---> Sync.Report
Sensor.0454 ---> Sync.Report
Sensor.0455 ---> Sync.Report
Sensor.0451 ---> Sync.Report
Sensor.0800 ---> Sync.Report
Sensor.0801 ---> Sync.Report
Sensor.0802 ---> Sync.Report
Sensor.0803 ---> Sync.Report
Sensor.0804 ---> Sync.Report
Sensor.0805 ---> Sync.Report
Sensor.0806 ---> Sync.Report
Sensor.0810 ---> Sync.Report
Sensor.0811 ---> Sync.Report
Sensor.0812 ---> Sync.Report
Sensor.0813 ---> Sync.Report
Sensor.0814 ---> Sync.Report
Sensor.0815 ---> Sync.Report
Sensor.0457 ---> Sync.Report
Sensor.0458 ---> Sync.Report
Sensor.0459 ---> Sync.Report
Sensor.0800 ---> Sync.Report
Sensor.0801 ---> Sync.Report
Sensor.0802 ---> Sync.Report
Sensor.0803 ---> Sync.Report
Sensor.0804 ---> Sync.Report
Sensor.0805 ---> Sync.Report
Sensor.0806 ---> Sync.Report
Sensor.0810 ---> Sync.Report
Sensor.0811 ---> Sync.Report
Sensor.0812 ---> Sync.Report
Sensor.0813 ---> Sync.Report
Sensor.0814 ---> Sync.Report
Sensor.0815 ---> Sync.Report
Sensor.0475 ---> Sync.Report
Sensor.0485 ---> Sync.Report
Sensor.0486 ---> Sync.Report
Sensor.0487 ---> Sync.Report
Sensor.08e0 ---> Sync.Report
Sensor.08e1 ---> Sync.Report
Sensor.08e2 ---> Sync.Report
Sensor.0800 ---> Sync.Report
Sensor.0801 ---> Sync.Report
Sensor.0802 ---> Sync.Report
Sensor.0803 ---> Sync.Report
Sensor.0804 ---> Sync.Report
Sensor.0805 ---> Sync.Report
Sensor.0806 ---> Sync.Report
Sensor.0810 ---> Sync.Report
Sensor.0811 ---> Sync.Report
Sensor.0812 ---> Sync.Report
Sensor.0813 ---> Sync.Report
Sensor.0814 ---> Sync.Report
Sensor.0815 ---> Sync.Report
Sensor.047f ---> Sync.Report
Sensor.0480 ---> Sync.Report
Sensor.0481 ---> Sync.Report
Sensor.08e0 ---> Sync.Report
Sensor.08e1 ---> Sync.Report
Sensor.08e2 ---> Sync.Report
Sensor.0800 ---> Sync.Report
Sensor.0801 ---> Sync.Report
Sensor.0802 ---> Sync.Report
Sensor.0803 ---> Sync.Report
Sensor.0804 ---> Sync.Report
Sensor.0805 ---> Sync.Report
Sensor.0806 ---> Sync.Report
Sensor.0810 ---> Sync.Report
Sensor.0811 ---> Sync.Report
Sensor.0812 ---> Sync.Report
Sensor.0813 ---> Sync.Report
Sensor.0814 ---> Sync.Report
Sensor.0815 ---> Sync.Report
Sensor.0483 ---> Sync.Report
Sensor.0483 ---> Sync.Report
Sensor.0483 ---> Sync.Report
Sensor.0483 ---> Sync.Report
Sensor.08e0 ---> Sync.Report
Sensor.08e1 ---> Sync.Report
Sensor.08e2 ---> Sync.Report
Sensor.0800 ---> Sync.Report
Sensor.0801 ---> Sync.Report
Sensor.0802 ---> Sync.Report
Sensor.0803 ---> Sync.Report
Sensor.0804 ---> Sync.Report
Sensor.0805 ---> Sync.Report
Sensor.0806 ---> Sync.Report
Sensor.0810 ---> Sync.Report
Sensor.0811 ---> Sync.Report
Sensor.0812 ---> Sync.Report
Sensor.0813 ---> Sync.Report
Sensor.0814 ---> Sync.Report
Sensor.0815 ---> Sync.Report
Sensor.04d1 ---> Sync.Report
Sensor.0800 ---> Sync.Report
Sensor.0801 ---> Sync.Report
Sensor.0802 ---> Sync.Report
Sensor.0803 ---> Sync.Report
Sensor.0804 ---> Sync.Report
Sensor.0805 ---> Sync.Report
Sensor.0806 ---> Sync.Report
Sensor.0810 ---> Sync.Report
Sensor.0811 ---> Sync.Report
Sensor.0812 ---> Sync.Report
Sensor.0813 ---> Sync.Report
Sensor.0814 ---> Sync.Report
Sensor.0815 ---> Sync.Report
Sensor.0544 ---> Sync.Report
Sensor.0545 ---> Sync.Report
Sensor.0546 ---> Sync.Report
Sensor.0547 ---> Sync.Report
Sensor.0548 ---> Sync.Report
Sensor.0549 ---> Sync.Report
^ permalink raw reply [flat|nested] 12+ messages in thread
* Re: iio/hid-sensor-accel-3d: no output from /dev/iio:device*?
2015-12-18 3:06 ` Nish Aravamudan
@ 2015-12-18 16:58 ` Pandruvada, Srinivas
0 siblings, 0 replies; 12+ messages in thread
From: Pandruvada, Srinivas @ 2015-12-18 16:58 UTC (permalink / raw)
To: nish.aravamudan
Cc: lars, linux-kernel, knaack.h, jic23, cmo, linux-iio, pmeerw,
linux-input, jikos, Shevchenko, Andriy
[-- Warning: decoded text below may be mangled, UTF-8 assumed --]
[-- Attachment #1: Type: text/plain; charset="utf-8", Size: 1888 bytes --]
On Thu, 2015-12-17 at 19:06 -0800, Nish Aravamudan wrote:
> On Thu, Dec 17, 2015 at 6:50 PM, Pandruvada, Srinivas
> <srinivas.pandruvada@intel.com> wrote:
> > On Thu, 2015-12-17 at 18:33 -0800, Nish Aravamudan wrote:
> > > On Thu, Dec 17, 2015 at 5:11 PM, Pandruvada, Srinivas
> > > <srinivas.pandruvada@intel.com> wrote:
> > > > On Thu, 2015-12-17 at 17:08 -0800, Nish Aravamudan wrote:
> > > > > On Thu, Dec 17, 2015 at 5:00 PM, Pandruvada, Srinivas
> > > > > <srinivas.pandruvada@intel.com> wrote:
> > > > > > Hi Andy,
> > > > > >
> > > > > > As per Nish these patches are impacting sensors on Yoga.
> > > > > > https://lkml.org/lkml/2015/11/30/441
> > > > >
> > > > > To be clear, without that series, the touchpad and
> > > > > touchscreen on
> > > > > the
> > > > > Yoga 900 don't work at all. So they are necessary for
> > > > > functioning. I
> > > > > don't know (I will test it now), if removing the series makes
> > > > > the
> > > > > IIO
> > > > > sensors work properly in /dev/.
> > > > This is important to know before we take Andy's time.
> > >
> > > It seems like Andy's patches are not the problem. That is, with
> > > stock
> > > 4.4-rc5, the accelerommeter /dev files still do not update.
> > >
> > Can you not use raw values by polling from user space? Send me
> > report description. It should be in
> > /sys/kernel/debug/hid/ "your device id" /redesc.
>
> The underlying issue is that iio-sensor-proxy relies on values from
> the corresponding /dev nodes to automatically rotate the screen, etc.
> in the desktop environment.
>
> Attached due to its size.
>
> > Also device id ("your device id") above.
>
> 0018:048D:8396.0002
Sent a patch, try and see if this works.
Thanks,
Srinivas
>
> -Nishÿôèº{.nÇ+‰·Ÿ®‰†+%ŠËÿ±éݶ\x17¥Šwÿº{.nÇ+‰·¥Š{±þG«éÿŠ{ayº\x1dʇڙë,j\a¢f£¢·hšïêÿ‘êçz_è®\x03(階ŠÝ¢j"ú\x1a¶^[m§ÿÿ¾\a«þG«éÿ¢¸?™¨èÚ&£ø§~á¶iO•æ¬z·švØ^\x14\x04\x1a¶^[m§ÿÿÃ\fÿ¶ìÿ¢¸?–I¥
^ permalink raw reply [flat|nested] 12+ messages in thread
end of thread, other threads:[~2015-12-18 16:58 UTC | newest]
Thread overview: 12+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2015-12-17 23:38 iio/hid-sensor-accel-3d: no output from /dev/iio:device*? Nish Aravamudan
2015-12-18 0:51 ` Srinivas Pandruvada
2015-12-18 1:00 ` Pandruvada, Srinivas
2015-12-18 1:08 ` Nish Aravamudan
2015-12-18 1:11 ` Pandruvada, Srinivas
2015-12-18 2:33 ` Nish Aravamudan
2015-12-18 2:50 ` Pandruvada, Srinivas
2015-12-18 3:06 ` Nish Aravamudan
2015-12-18 16:58 ` Pandruvada, Srinivas
2015-12-18 1:07 ` Nish Aravamudan
2015-12-18 1:16 ` Srinivas Pandruvada
2015-12-18 1:59 ` Nish Aravamudan
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