[PATCH] ALSA: usb-audio: Apply sample rate quirk to Logitech Connect

[PATCH] ALSA: usb-audio: Apply sample rate quirk to Logitech Connect

[Ikjoon Jang]

Logitech ConferenceCam Connect is a compound USB device with UVC and
UAC. Not 100% reproducible but sometimes it keeps responding STALL to
every control transfer once it receives get_freq request.

This patch adds 046d:0x084c to a snd_usb_get_sample_rate_quirk list.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=203419
Signed-off-by: Ikjoon Jang <ikjn@chromium.org>

---

 sound/usb/quirks.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index d3001fb18141..176437a441e6 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -1521,6 +1521,7 @@ bool snd_usb_get_sample_rate_quirk(struct snd_usb_audio *chip)
 	case USB_ID(0x21b4, 0x0081): /* AudioQuest DragonFly */
 	case USB_ID(0x2912, 0x30c8): /* Audioengine D1 */
 	case USB_ID(0x413c, 0xa506): /* Dell AE515 sound bar */
+	case USB_ID(0x046d, 0x084c): /* Logitech ConferenceCam Connect */
 		return true;
 	}
 
-- 
2.31.0.291.g576ba9dcdaf-goog

Re: [PATCH] ALSA: usb-audio: Apply sample rate quirk to Logitech Connect

[Joakim Tjernlund]

On Wed, 2021-03-24 at 18:51 +0800, Ikjoon Jang wrote:
> Logitech ConferenceCam Connect is a compound USB device with UVC and
> UAC. Not 100% reproducible but sometimes it keeps responding STALL to
> every control transfer once it receives get_freq request.
> 
> This patch adds 046d:0x084c to a snd_usb_get_sample_rate_quirk list.
> 
> Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=203419
> Signed-off-by: Ikjoon Jang <ikjn@chromium.org>

Most Logitech USB headset I got needs a delay in snd_usb_ctl_msg_quirk()
Have you tried to add say 20 ms delay in there?

 Jocke

Re: [PATCH] ALSA: usb-audio: Apply sample rate quirk to Logitech Connect

[Ikjoon Jang]

On Wed, Mar 24, 2021, 7:16 PM Joakim Tjernlund <
Joakim.Tjernlund@infinera.com> wrote:

> On Wed, 2021-03-24 at 18:51 +0800, Ikjoon Jang wrote:
> > Logitech ConferenceCam Connect is a compound USB device with UVC and
> > UAC. Not 100% reproducible but sometimes it keeps responding STALL to
> > every control transfer once it receives get_freq request.
> >
> > This patch adds 046d:0x084c to a snd_usb_get_sample_rate_quirk list.
> >
> > Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=203419
> > Signed-off-by: Ikjoon Jang <ikjn@chromium.org>
>
> Most Logitech USB headset I got needs a delay in snd_usb_ctl_msg_quirk()
> Have you tried to add say 20 ms delay in there?
>
>
I didn't try that. But it sounds reasonable to me.

let me try that quirk here. If that is the case, HID might need that delay
also. Logitech Group webcam had a similar problem on control xfer of
get_report from an another interface for HID.

And 20ms can be too long if it's applied to every control transfer. I will
test the device with shorter delay if you didn't try it before.

Any additional advice is welcome.

Thanks!

 Jocke
>
>

Re: [PATCH] ALSA: usb-audio: Apply sample rate quirk to Logitech Connect

[Dmitry Panchenko | d-Systems]

Dear list administrator,

please remove dmitry@d-systems.ee from this list.

Kind regards,
Dmitry Panchenko

d-Systems OÜ
Ⓐ Lai 6, Tartu 51005, Estonia
Ⓦ www.d-systems.ee <http://www.d-systems.ee>

On 24.03.21 14:03, Ikjoon Jang wrote:
>
>
> On Wed, Mar 24, 2021, 7:16 PM Joakim Tjernlund 
> <Joakim.Tjernlund@infinera.com <mailto:Joakim.Tjernlund@infinera.com>> 
> wrote:
>
>     On Wed, 2021-03-24 at 18:51 +0800, Ikjoon Jang wrote:
>     > Logitech ConferenceCam Connect is a compound USB device with UVC and
>     > UAC. Not 100% reproducible but sometimes it keeps responding
>     STALL to
>     > every control transfer once it receives get_freq request.
>     >
>     > This patch adds 046d:0x084c to a snd_usb_get_sample_rate_quirk list.
>     >
>     > Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=203419
>     > Signed-off-by: Ikjoon Jang <ikjn@chromium.org
>     <mailto:ikjn@chromium.org>>
>
>     Most Logitech USB headset I got needs a delay in
>     snd_usb_ctl_msg_quirk()
>     Have you tried to add say 20 ms delay in there?
>
>
> I didn't try that. But it sounds reasonable to me.
>
> let me try that quirk here. If that is the case, HID might need that 
> delay also. Logitech Group webcam had a similar problem on control 
> xfer of get_report from an another interface for HID.
>
> And 20ms can be too long if it's applied to every control transfer. I 
> will test the device with shorter delay if you didn't try it before.
>
> Any additional advice is welcome.
>
> Thanks!
>
>      Jocke
>

Re: [PATCH] ALSA: usb-audio: Apply sample rate quirk to Logitech Connect

[Takashi Iwai]

On Wed, 24 Mar 2021 13:03:14 +0100,
Ikjoon Jang wrote:
> 
> On Wed, Mar 24, 2021, 7:16 PM Joakim Tjernlund <Joakim.Tjernlund@infinera.com>
> wrote:
> 
>     On Wed, 2021-03-24 at 18:51 +0800, Ikjoon Jang wrote:
>     > Logitech ConferenceCam Connect is a compound USB device with UVC and
>     > UAC. Not 100% reproducible but sometimes it keeps responding STALL to
>     > every control transfer once it receives get_freq request.
>     >
>     > This patch adds 046d:0x084c to a snd_usb_get_sample_rate_quirk list.
>     >
>     > Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=203419
>     > Signed-off-by: Ikjoon Jang <ikjn@chromium.org>
>    
>     Most Logitech USB headset I got needs a delay in snd_usb_ctl_msg_quirk()
>     Have you tried to add say 20 ms delay in there?
> 
> I didn't try that. But it sounds reasonable to me.
> 
> let me try that quirk here. If that is the case, HID might need that delay
> also. Logitech Group webcam had a similar problem on control xfer of
> get_report from an another interface for HID.

The Logitech devices with 046d:* should be covered generally in
snd_usb_ctl_msg_quirk(), so I guess it's a different problem.
But please check it first.

> And 20ms can be too long if it's applied to every control transfer. I will
> test the device with shorter delay if you didn't try it before.

Actually the delay applied to Logitech devices is from 1 to 2ms, not
20ms.  The 20ms delay is applied for some other devices.  But if
extending the delay fixes the problem, we need to reconsider the delay
length.


Takashi

Re: [PATCH] ALSA: usb-audio: Apply sample rate quirk to Logitech Connect

[Joakim Tjernlund]

On Wed, 2021-03-24 at 13:49 +0100, Takashi Iwai wrote:
> On Wed, 24 Mar 2021 13:03:14 +0100,
> Ikjoon Jang wrote:
> > 
> > On Wed, Mar 24, 2021, 7:16 PM Joakim Tjernlund <Joakim.Tjernlund@infinera.com>
> > wrote:
> > 
> 
> The Logitech devices with 046d:* should be covered generally in
> snd_usb_ctl_msg_quirk(), so I guess it's a different problem.
> But please check it first.
> 
> > And 20ms can be too long if it's applied to every control transfer. I will
> > test the device with shorter delay if you didn't try it before.
> 
> Actually the delay applied to Logitech devices is from 1 to 2ms, not
> 20ms.  The 20ms delay is applied for some other devices.  But if
> extending the delay fixes the problem, we need to reconsider the delay
> length.
> 

There are a lot of devices USB Audio devices that need that 1-2 ms delay. Have
you considered to make this delay generic(for all Audio USB devices) ?
Seems like Windows has something similar as these devices just work there.

 Jocke

Re: [PATCH] ALSA: usb-audio: Apply sample rate quirk to Logitech Connect

[Ikjoon Jang]

On Wed, Mar 24, 2021 at 8:49 PM Takashi Iwai <tiwai@suse.de> wrote:
>
> On Wed, 24 Mar 2021 13:03:14 +0100,
> Ikjoon Jang wrote:
> >
> > On Wed, Mar 24, 2021, 7:16 PM Joakim Tjernlund <Joakim.Tjernlund@infinera.com>
> > wrote:
> >
> >     On Wed, 2021-03-24 at 18:51 +0800, Ikjoon Jang wrote:
> >     > Logitech ConferenceCam Connect is a compound USB device with UVC and
> >     > UAC. Not 100% reproducible but sometimes it keeps responding STALL to
> >     > every control transfer once it receives get_freq request.
> >     >
> >     > This patch adds 046d:0x084c to a snd_usb_get_sample_rate_quirk list.
> >     >
> >     > Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=203419
> >     > Signed-off-by: Ikjoon Jang <ikjn@chromium.org>
> >
> >     Most Logitech USB headset I got needs a delay in snd_usb_ctl_msg_quirk()
> >     Have you tried to add say 20 ms delay in there?
> >
> > I didn't try that. But it sounds reasonable to me.
> >
> > let me try that quirk here. If that is the case, HID might need that delay
> > also. Logitech Group webcam had a similar problem on control xfer of
> > get_report from an another interface for HID.
>
> The Logitech devices with 046d:* should be covered generally in
> snd_usb_ctl_msg_quirk(), so I guess it's a different problem.
> But please check it first.
>
> > And 20ms can be too long if it's applied to every control transfer. I will
> > test the device with shorter delay if you didn't try it before.
>
> Actually the delay applied to Logitech devices is from 1 to 2ms, not
> 20ms.  The 20ms delay is applied for some other devices.  But if
> extending the delay fixes the problem, we need to reconsider the delay
> length.

I tested this Logitech device with various delays 2..20ms
in snd_usb_ctl_msg_quirk() but it didn't help.

Disregarding the delay between control transfers,
This device is always stuck at get_cur, responding STALL to all
control transfers.

[   24.045618] usb 1-1.2.1.1: 1:1: cannot get freq at ep 0x82
[   24.167475] usb 1-1.2.1.1: 2:0: cannot get min/max values for
control 2 (id 2)
[   24.287393] usb 1-1.2.1.1: 6:0: cannot get min/max values for
control 2 (id 6)
[   24.289854] usbcore: registered new interface driver snd-usb-audio
[   24.877073] usb 1-1.2.1.1: 2:1: usb_set_interface failed (-32)

And I've also found that in some other platforms (with the same kernel),
this device fails at get_freq - timeout with NYETs or NAKs (instead of STALL),
and succeeded in following set_interface even without any delays
I've tried but couldn't find any differences between the two. ;-(

So until now, I think this approach of skipping get_rate is the only
one possible
workaround for Logitech Connect.

>
>
> Takashi

Re: [PATCH] ALSA: usb-audio: Apply sample rate quirk to Logitech Connect

[Takashi Iwai]

On Mon, 29 Mar 2021 08:23:52 +0200,
Ikjoon Jang wrote:
> 
> On Wed, Mar 24, 2021 at 8:49 PM Takashi Iwai <tiwai@suse.de> wrote:
> >
> > On Wed, 24 Mar 2021 13:03:14 +0100,
> > Ikjoon Jang wrote:
> > >
> > > On Wed, Mar 24, 2021, 7:16 PM Joakim Tjernlund <Joakim.Tjernlund@infinera.com>
> > > wrote:
> > >
> > >     On Wed, 2021-03-24 at 18:51 +0800, Ikjoon Jang wrote:
> > >     > Logitech ConferenceCam Connect is a compound USB device with UVC and
> > >     > UAC. Not 100% reproducible but sometimes it keeps responding STALL to
> > >     > every control transfer once it receives get_freq request.
> > >     >
> > >     > This patch adds 046d:0x084c to a snd_usb_get_sample_rate_quirk list.
> > >     >
> > >     > Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=203419
> > >     > Signed-off-by: Ikjoon Jang <ikjn@chromium.org>
> > >
> > >     Most Logitech USB headset I got needs a delay in snd_usb_ctl_msg_quirk()
> > >     Have you tried to add say 20 ms delay in there?
> > >
> > > I didn't try that. But it sounds reasonable to me.
> > >
> > > let me try that quirk here. If that is the case, HID might need that delay
> > > also. Logitech Group webcam had a similar problem on control xfer of
> > > get_report from an another interface for HID.
> >
> > The Logitech devices with 046d:* should be covered generally in
> > snd_usb_ctl_msg_quirk(), so I guess it's a different problem.
> > But please check it first.
> >
> > > And 20ms can be too long if it's applied to every control transfer. I will
> > > test the device with shorter delay if you didn't try it before.
> >
> > Actually the delay applied to Logitech devices is from 1 to 2ms, not
> > 20ms.  The 20ms delay is applied for some other devices.  But if
> > extending the delay fixes the problem, we need to reconsider the delay
> > length.
> 
> I tested this Logitech device with various delays 2..20ms
> in snd_usb_ctl_msg_quirk() but it didn't help.
> 
> Disregarding the delay between control transfers,
> This device is always stuck at get_cur, responding STALL to all
> control transfers.
> 
> [   24.045618] usb 1-1.2.1.1: 1:1: cannot get freq at ep 0x82
> [   24.167475] usb 1-1.2.1.1: 2:0: cannot get min/max values for
> control 2 (id 2)
> [   24.287393] usb 1-1.2.1.1: 6:0: cannot get min/max values for
> control 2 (id 6)
> [   24.289854] usbcore: registered new interface driver snd-usb-audio
> [   24.877073] usb 1-1.2.1.1: 2:1: usb_set_interface failed (-32)
> 
> And I've also found that in some other platforms (with the same kernel),
> this device fails at get_freq - timeout with NYETs or NAKs (instead of STALL),
> and succeeded in following set_interface even without any delays
> I've tried but couldn't find any differences between the two. ;-(
> 
> So until now, I think this approach of skipping get_rate is the only
> one possible
> workaround for Logitech Connect.

OK, that makes sense, then.  I applied your patch now.

Thanks!


Takashi