* [PATCH] Add: (1) Detection for newer Elantech touchpads, so that kernel doesn't fall-back to default PS/2 driver. (2) Enable hardware version 4 touchpad right click function.
@ 2013-12-09 2:59 Duson Lin
2013-12-09 6:32 ` Dmitry Torokhov
0 siblings, 1 reply; 4+ messages in thread
From: Duson Lin @ 2013-12-09 2:59 UTC (permalink / raw)
To: linux-kernel, linux-input, dmitry.torokhov; +Cc: Duson Lin
Modify:
(1) crc_enabled only support for v3 and v4 touchpad, so initialize crc_enabled as false first and
check this hardware flag when hw_version as 3 or 4.
Signed-off-by: Duson Lin <dusonlin@emc.com.tw>
---
drivers/input/mouse/elantech.c | 30 ++++++++++++++----------------
drivers/input/mouse/elantech.h | 2 +-
2 files changed, 15 insertions(+), 17 deletions(-)
diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
index 8551dca..b3627cf 100644
--- a/drivers/input/mouse/elantech.c
+++ b/drivers/input/mouse/elantech.c
@@ -1,5 +1,5 @@
/*
- * Elantech Touchpad driver (v6)
+ * Elantech Touchpad driver (v7)
*
* Copyright (C) 2007-2009 Arjan Opmeer <arjan@opmeer.net>
*
@@ -486,6 +486,7 @@ static void elantech_input_sync_v4(struct psmouse *psmouse)
unsigned char *packet = psmouse->packet;
input_report_key(dev, BTN_LEFT, packet[0] & 0x01);
+ input_report_key(dev, BTN_RIGHT, packet[0] & 0x02);
input_mt_report_pointer_emulation(dev, true);
input_sync(dev);
}
@@ -1047,9 +1048,7 @@ static int elantech_set_input_params(struct psmouse *psmouse)
*/
psmouse_warn(psmouse, "couldn't query resolution data.\n");
}
- /* v4 is clickpad, with only one button. */
__set_bit(INPUT_PROP_BUTTONPAD, dev->propbit);
- __clear_bit(BTN_RIGHT, dev->keybit);
__set_bit(BTN_TOOL_QUADTAP, dev->keybit);
/* For X to recognize me as touchpad. */
input_set_abs_params(dev, ABS_X, x_min, x_max, 0, 0);
@@ -1186,19 +1185,12 @@ static struct attribute_group elantech_attr_group = {
static bool elantech_is_signature_valid(const unsigned char *param)
{
- static const unsigned char rates[] = { 200, 100, 80, 60, 40, 20, 10 };
- int i;
-
if (param[0] == 0)
return false;
if (param[1] == 0)
return true;
- for (i = 0; i < ARRAY_SIZE(rates); i++)
- if (param[2] == rates[i])
- return false;
-
return true;
}
@@ -1298,6 +1290,14 @@ static int elantech_set_properties(struct elantech_data *etd)
{
/* This represents the version of IC body. */
int ver = (etd->fw_version & 0x0f0000) >> 16;
+ /*
+ * The signatures of v3 and v4 packets change depending on the
+ * value of this hardware flag. But the v1 and v2 have not crc
+ * check mechanism and the same hardware flag are also defined
+ * as other function. So crc_enabled must be initialized as false
+ * first and checking by different hw_version.
+ */
+ etd->crc_enabled = false;
/* Early version of Elan touchpads doesn't obey the rule. */
if (etd->fw_version < 0x020030 || etd->fw_version == 0x020600)
@@ -1309,10 +1309,14 @@ static int elantech_set_properties(struct elantech_data *etd)
etd->hw_version = 2;
break;
case 5:
+ etd->crc_enabled = ((etd->fw_version & 0x4000) == 0x4000);
etd->hw_version = 3;
break;
case 6:
case 7:
+ case 8:
+ case 10:
+ etd->crc_enabled = ((etd->fw_version & 0x4000) == 0x4000);
etd->hw_version = 4;
break;
default:
@@ -1343,12 +1347,6 @@ static int elantech_set_properties(struct elantech_data *etd)
etd->reports_pressure = true;
}
- /*
- * The signatures of v3 and v4 packets change depending on the
- * value of this hardware flag.
- */
- etd->crc_enabled = ((etd->fw_version & 0x4000) == 0x4000);
-
return 0;
}
diff --git a/drivers/input/mouse/elantech.h b/drivers/input/mouse/elantech.h
index 036a04a..c963ac8 100644
--- a/drivers/input/mouse/elantech.h
+++ b/drivers/input/mouse/elantech.h
@@ -1,5 +1,5 @@
/*
- * Elantech Touchpad driver (v6)
+ * Elantech Touchpad driver (v7)
*
* Copyright (C) 2007-2009 Arjan Opmeer <arjan@opmeer.net>
*
--
1.7.10.4
^ permalink raw reply related [flat|nested] 4+ messages in thread
* Re: [PATCH] Add: (1) Detection for newer Elantech touchpads, so that kernel doesn't fall-back to default PS/2 driver. (2) Enable hardware version 4 touchpad right click function.
2013-12-09 2:59 [PATCH] Add: (1) Detection for newer Elantech touchpads, so that kernel doesn't fall-back to default PS/2 driver. (2) Enable hardware version 4 touchpad right click function Duson Lin
@ 2013-12-09 6:32 ` Dmitry Torokhov
2013-12-10 12:18 ` duson
0 siblings, 1 reply; 4+ messages in thread
From: Dmitry Torokhov @ 2013-12-09 6:32 UTC (permalink / raw)
To: Duson Lin; +Cc: linux-kernel, linux-input
Hi Duson.
On Mon, Dec 09, 2013 at 10:59:50AM +0800, Duson Lin wrote:
> Modify:
> (1) crc_enabled only support for v3 and v4 touchpad, so initialize crc_enabled as false first and
> check this hardware flag when hw_version as 3 or 4.
It looks to me there are several fixes rolled up together in this patch:
1. Support for the new hardware signatures (8 and 10, although I already
applied patch for 8)
2. Fix to handle CRC check
3. Changes to report BTN_RIGHT.
Could you please split them up please?
Also, I am not sure if we can simply start reporting BTN_RIGHT as
present, even on devices that don't actually have the right button, as
this will interfere with userspace providing emulation for multiple
buttons.
Is it possible to determine if a given model had right button or not?
Thanks.
>
> Signed-off-by: Duson Lin <dusonlin@emc.com.tw>
> ---
> drivers/input/mouse/elantech.c | 30 ++++++++++++++----------------
> drivers/input/mouse/elantech.h | 2 +-
> 2 files changed, 15 insertions(+), 17 deletions(-)
>
> diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
> index 8551dca..b3627cf 100644
> --- a/drivers/input/mouse/elantech.c
> +++ b/drivers/input/mouse/elantech.c
> @@ -1,5 +1,5 @@
> /*
> - * Elantech Touchpad driver (v6)
> + * Elantech Touchpad driver (v7)
> *
> * Copyright (C) 2007-2009 Arjan Opmeer <arjan@opmeer.net>
> *
> @@ -486,6 +486,7 @@ static void elantech_input_sync_v4(struct psmouse *psmouse)
> unsigned char *packet = psmouse->packet;
>
> input_report_key(dev, BTN_LEFT, packet[0] & 0x01);
> + input_report_key(dev, BTN_RIGHT, packet[0] & 0x02);
> input_mt_report_pointer_emulation(dev, true);
> input_sync(dev);
> }
> @@ -1047,9 +1048,7 @@ static int elantech_set_input_params(struct psmouse *psmouse)
> */
> psmouse_warn(psmouse, "couldn't query resolution data.\n");
> }
> - /* v4 is clickpad, with only one button. */
> __set_bit(INPUT_PROP_BUTTONPAD, dev->propbit);
> - __clear_bit(BTN_RIGHT, dev->keybit);
> __set_bit(BTN_TOOL_QUADTAP, dev->keybit);
> /* For X to recognize me as touchpad. */
> input_set_abs_params(dev, ABS_X, x_min, x_max, 0, 0);
> @@ -1186,19 +1185,12 @@ static struct attribute_group elantech_attr_group = {
>
> static bool elantech_is_signature_valid(const unsigned char *param)
> {
> - static const unsigned char rates[] = { 200, 100, 80, 60, 40, 20, 10 };
> - int i;
> -
> if (param[0] == 0)
> return false;
>
> if (param[1] == 0)
> return true;
>
> - for (i = 0; i < ARRAY_SIZE(rates); i++)
> - if (param[2] == rates[i])
> - return false;
> -
> return true;
> }
>
> @@ -1298,6 +1290,14 @@ static int elantech_set_properties(struct elantech_data *etd)
> {
> /* This represents the version of IC body. */
> int ver = (etd->fw_version & 0x0f0000) >> 16;
> + /*
> + * The signatures of v3 and v4 packets change depending on the
> + * value of this hardware flag. But the v1 and v2 have not crc
> + * check mechanism and the same hardware flag are also defined
> + * as other function. So crc_enabled must be initialized as false
> + * first and checking by different hw_version.
> + */
> + etd->crc_enabled = false;
>
> /* Early version of Elan touchpads doesn't obey the rule. */
> if (etd->fw_version < 0x020030 || etd->fw_version == 0x020600)
> @@ -1309,10 +1309,14 @@ static int elantech_set_properties(struct elantech_data *etd)
> etd->hw_version = 2;
> break;
> case 5:
> + etd->crc_enabled = ((etd->fw_version & 0x4000) == 0x4000);
> etd->hw_version = 3;
> break;
> case 6:
> case 7:
> + case 8:
> + case 10:
> + etd->crc_enabled = ((etd->fw_version & 0x4000) == 0x4000);
> etd->hw_version = 4;
> break;
> default:
> @@ -1343,12 +1347,6 @@ static int elantech_set_properties(struct elantech_data *etd)
> etd->reports_pressure = true;
> }
>
> - /*
> - * The signatures of v3 and v4 packets change depending on the
> - * value of this hardware flag.
> - */
> - etd->crc_enabled = ((etd->fw_version & 0x4000) == 0x4000);
> -
> return 0;
> }
>
> diff --git a/drivers/input/mouse/elantech.h b/drivers/input/mouse/elantech.h
> index 036a04a..c963ac8 100644
> --- a/drivers/input/mouse/elantech.h
> +++ b/drivers/input/mouse/elantech.h
> @@ -1,5 +1,5 @@
> /*
> - * Elantech Touchpad driver (v6)
> + * Elantech Touchpad driver (v7)
> *
> * Copyright (C) 2007-2009 Arjan Opmeer <arjan@opmeer.net>
> *
> --
> 1.7.10.4
>
--
Dmitry
^ permalink raw reply [flat|nested] 4+ messages in thread
* RE: [PATCH] Add: (1) Detection for newer Elantech touchpads, so that kernel doesn't fall-back to default PS/2 driver. (2) Enable hardware version 4 touchpad right click function.
2013-12-09 6:32 ` Dmitry Torokhov
@ 2013-12-10 12:18 ` duson
0 siblings, 0 replies; 4+ messages in thread
From: duson @ 2013-12-10 12:18 UTC (permalink / raw)
To: 'Dmitry Torokhov'; +Cc: linux-kernel, linux-input
Hi Dmitry
> -----Original Message-----
> From: linux-input-owner@vger.kernel.org
[mailto:linux-input-owner@vger.kernel.org]
> On Behalf Of Dmitry Torokhov
> Sent: Monday, December 09, 2013 2:32 PM
> To: Duson Lin
> Cc: linux-kernel@vger.kernel.org; linux-input@vger.kernel.org
> Subject: Re: [PATCH] Add: (1) Detection for newer Elantech touchpads, so
that
> kernel doesn't fall-back to default PS/2 driver. (2) Enable hardware
version 4
> touchpad right click function.
>
> Hi Duson.
>
>
> On Mon, Dec 09, 2013 at 10:59:50AM +0800, Duson Lin wrote:
> > Modify:
> > (1) crc_enabled only support for v3 and v4 touchpad, so initialize
crc_enabled as
> false first and
> > check this hardware flag when hw_version as 3 or 4.
>
> It looks to me there are several fixes rolled up together in this patch:
>
> 1. Support for the new hardware signatures (8 and 10, although I already
> applied patch for 8)
> 2. Fix to handle CRC check
> 3. Changes to report BTN_RIGHT.
>
> Could you please split them up please?
OK, I will split them up.
>
> Also, I am not sure if we can simply start reporting BTN_RIGHT as
> present, even on devices that don't actually have the right button, as
> this will interfere with userspace providing emulation for multiple
> buttons.
>
> Is it possible to determine if a given model had right button or not?
It is hard to determine if a given model had right button, but depend on
per-discuss in Hans de Goede's mailing list, it is possible to determine if
given model need right click function.
Thanks.
Duosn
>
> >
> > Signed-off-by: Duson Lin <dusonlin@emc.com.tw>
> > ---
> > drivers/input/mouse/elantech.c | 30 ++++++++++++++----------------
> > drivers/input/mouse/elantech.h | 2 +-
> > 2 files changed, 15 insertions(+), 17 deletions(-)
> >
> > diff --git a/drivers/input/mouse/elantech.c
b/drivers/input/mouse/elantech.c
> > index 8551dca..b3627cf 100644
> > --- a/drivers/input/mouse/elantech.c
> > +++ b/drivers/input/mouse/elantech.c
> > @@ -1,5 +1,5 @@
> > /*
> > - * Elantech Touchpad driver (v6)
> > + * Elantech Touchpad driver (v7)
> > *
> > * Copyright (C) 2007-2009 Arjan Opmeer <arjan@opmeer.net>
> > *
> > @@ -486,6 +486,7 @@ static void elantech_input_sync_v4(struct psmouse
> *psmouse)
> > unsigned char *packet = psmouse->packet;
> >
> > input_report_key(dev, BTN_LEFT, packet[0] & 0x01);
> > + input_report_key(dev, BTN_RIGHT, packet[0] & 0x02);
> > input_mt_report_pointer_emulation(dev, true);
> > input_sync(dev);
> > }
> > @@ -1047,9 +1048,7 @@ static int elantech_set_input_params(struct
psmouse
> *psmouse)
> > */
> > psmouse_warn(psmouse, "couldn't query resolution
data.\n");
> > }
> > - /* v4 is clickpad, with only one button. */
> > __set_bit(INPUT_PROP_BUTTONPAD, dev->propbit);
> > - __clear_bit(BTN_RIGHT, dev->keybit);
> > __set_bit(BTN_TOOL_QUADTAP, dev->keybit);
> > /* For X to recognize me as touchpad. */
> > input_set_abs_params(dev, ABS_X, x_min, x_max, 0, 0);
> > @@ -1186,19 +1185,12 @@ static struct attribute_group
elantech_attr_group = {
> >
> > static bool elantech_is_signature_valid(const unsigned char *param)
> > {
> > - static const unsigned char rates[] = { 200, 100, 80, 60, 40, 20, 10
};
> > - int i;
> > -
> > if (param[0] == 0)
> > return false;
> >
> > if (param[1] == 0)
> > return true;
> >
> > - for (i = 0; i < ARRAY_SIZE(rates); i++)
> > - if (param[2] == rates[i])
> > - return false;
> > -
> > return true;
> > }
> >
> > @@ -1298,6 +1290,14 @@ static int elantech_set_properties(struct
> elantech_data *etd)
> > {
> > /* This represents the version of IC body. */
> > int ver = (etd->fw_version & 0x0f0000) >> 16;
> > + /*
> > + * The signatures of v3 and v4 packets change depending on the
> > + * value of this hardware flag. But the v1 and v2 have not crc
> > + * check mechanism and the same hardware flag are also defined
> > + * as other function. So crc_enabled must be initialized as false
> > + * first and checking by different hw_version.
> > + */
> > + etd->crc_enabled = false;
> >
> > /* Early version of Elan touchpads doesn't obey the rule. */
> > if (etd->fw_version < 0x020030 || etd->fw_version == 0x020600)
> > @@ -1309,10 +1309,14 @@ static int elantech_set_properties(struct
> elantech_data *etd)
> > etd->hw_version = 2;
> > break;
> > case 5:
> > + etd->crc_enabled = ((etd->fw_version & 0x4000) ==
0x4000);
> > etd->hw_version = 3;
> > break;
> > case 6:
> > case 7:
> > + case 8:
> > + case 10:
> > + etd->crc_enabled = ((etd->fw_version & 0x4000) ==
0x4000);
> > etd->hw_version = 4;
> > break;
> > default:
> > @@ -1343,12 +1347,6 @@ static int elantech_set_properties(struct
> elantech_data *etd)
> > etd->reports_pressure = true;
> > }
> >
> > - /*
> > - * The signatures of v3 and v4 packets change depending on the
> > - * value of this hardware flag.
> > - */
> > - etd->crc_enabled = ((etd->fw_version & 0x4000) == 0x4000);
> > -
> > return 0;
> > }
> >
> > diff --git a/drivers/input/mouse/elantech.h
b/drivers/input/mouse/elantech.h
> > index 036a04a..c963ac8 100644
> > --- a/drivers/input/mouse/elantech.h
> > +++ b/drivers/input/mouse/elantech.h
> > @@ -1,5 +1,5 @@
> > /*
> > - * Elantech Touchpad driver (v6)
> > + * Elantech Touchpad driver (v7)
> > *
> > * Copyright (C) 2007-2009 Arjan Opmeer <arjan@opmeer.net>
> > *
> > --
> > 1.7.10.4
> >
>
> --
> Dmitry
> --
> To unsubscribe from this list: send the line "unsubscribe linux-input" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
^ permalink raw reply [flat|nested] 4+ messages in thread
* RE: [PATCH] Add: (1) Detection for newer Elantech touchpads, so that kernel doesn't fall-back to default PS/2 driver. (2) Enable hardware version 4 touchpad right click function.
@ 2013-12-10 12:18 ` duson
0 siblings, 0 replies; 4+ messages in thread
From: duson @ 2013-12-10 12:18 UTC (permalink / raw)
To: 'Dmitry Torokhov'; +Cc: linux-kernel, linux-input
Hi Dmitry
> -----Original Message-----
> From: linux-input-owner@vger.kernel.org
[mailto:linux-input-owner@vger.kernel.org]
> On Behalf Of Dmitry Torokhov
> Sent: Monday, December 09, 2013 2:32 PM
> To: Duson Lin
> Cc: linux-kernel@vger.kernel.org; linux-input@vger.kernel.org
> Subject: Re: [PATCH] Add: (1) Detection for newer Elantech touchpads, so
that
> kernel doesn't fall-back to default PS/2 driver. (2) Enable hardware
version 4
> touchpad right click function.
>
> Hi Duson.
>
>
> On Mon, Dec 09, 2013 at 10:59:50AM +0800, Duson Lin wrote:
> > Modify:
> > (1) crc_enabled only support for v3 and v4 touchpad, so initialize
crc_enabled as
> false first and
> > check this hardware flag when hw_version as 3 or 4.
>
> It looks to me there are several fixes rolled up together in this patch:
>
> 1. Support for the new hardware signatures (8 and 10, although I already
> applied patch for 8)
> 2. Fix to handle CRC check
> 3. Changes to report BTN_RIGHT.
>
> Could you please split them up please?
OK, I will split them up.
>
> Also, I am not sure if we can simply start reporting BTN_RIGHT as
> present, even on devices that don't actually have the right button, as
> this will interfere with userspace providing emulation for multiple
> buttons.
>
> Is it possible to determine if a given model had right button or not?
It is hard to determine if a given model had right button, but depend on
per-discuss in Hans de Goede's mailing list, it is possible to determine if
given model need right click function.
Thanks.
Duosn
>
> >
> > Signed-off-by: Duson Lin <dusonlin@emc.com.tw>
> > ---
> > drivers/input/mouse/elantech.c | 30 ++++++++++++++----------------
> > drivers/input/mouse/elantech.h | 2 +-
> > 2 files changed, 15 insertions(+), 17 deletions(-)
> >
> > diff --git a/drivers/input/mouse/elantech.c
b/drivers/input/mouse/elantech.c
> > index 8551dca..b3627cf 100644
> > --- a/drivers/input/mouse/elantech.c
> > +++ b/drivers/input/mouse/elantech.c
> > @@ -1,5 +1,5 @@
> > /*
> > - * Elantech Touchpad driver (v6)
> > + * Elantech Touchpad driver (v7)
> > *
> > * Copyright (C) 2007-2009 Arjan Opmeer <arjan@opmeer.net>
> > *
> > @@ -486,6 +486,7 @@ static void elantech_input_sync_v4(struct psmouse
> *psmouse)
> > unsigned char *packet = psmouse->packet;
> >
> > input_report_key(dev, BTN_LEFT, packet[0] & 0x01);
> > + input_report_key(dev, BTN_RIGHT, packet[0] & 0x02);
> > input_mt_report_pointer_emulation(dev, true);
> > input_sync(dev);
> > }
> > @@ -1047,9 +1048,7 @@ static int elantech_set_input_params(struct
psmouse
> *psmouse)
> > */
> > psmouse_warn(psmouse, "couldn't query resolution
data.\n");
> > }
> > - /* v4 is clickpad, with only one button. */
> > __set_bit(INPUT_PROP_BUTTONPAD, dev->propbit);
> > - __clear_bit(BTN_RIGHT, dev->keybit);
> > __set_bit(BTN_TOOL_QUADTAP, dev->keybit);
> > /* For X to recognize me as touchpad. */
> > input_set_abs_params(dev, ABS_X, x_min, x_max, 0, 0);
> > @@ -1186,19 +1185,12 @@ static struct attribute_group
elantech_attr_group = {
> >
> > static bool elantech_is_signature_valid(const unsigned char *param)
> > {
> > - static const unsigned char rates[] = { 200, 100, 80, 60, 40, 20, 10
};
> > - int i;
> > -
> > if (param[0] == 0)
> > return false;
> >
> > if (param[1] == 0)
> > return true;
> >
> > - for (i = 0; i < ARRAY_SIZE(rates); i++)
> > - if (param[2] == rates[i])
> > - return false;
> > -
> > return true;
> > }
> >
> > @@ -1298,6 +1290,14 @@ static int elantech_set_properties(struct
> elantech_data *etd)
> > {
> > /* This represents the version of IC body. */
> > int ver = (etd->fw_version & 0x0f0000) >> 16;
> > + /*
> > + * The signatures of v3 and v4 packets change depending on the
> > + * value of this hardware flag. But the v1 and v2 have not crc
> > + * check mechanism and the same hardware flag are also defined
> > + * as other function. So crc_enabled must be initialized as false
> > + * first and checking by different hw_version.
> > + */
> > + etd->crc_enabled = false;
> >
> > /* Early version of Elan touchpads doesn't obey the rule. */
> > if (etd->fw_version < 0x020030 || etd->fw_version == 0x020600)
> > @@ -1309,10 +1309,14 @@ static int elantech_set_properties(struct
> elantech_data *etd)
> > etd->hw_version = 2;
> > break;
> > case 5:
> > + etd->crc_enabled = ((etd->fw_version & 0x4000) ==
0x4000);
> > etd->hw_version = 3;
> > break;
> > case 6:
> > case 7:
> > + case 8:
> > + case 10:
> > + etd->crc_enabled = ((etd->fw_version & 0x4000) ==
0x4000);
> > etd->hw_version = 4;
> > break;
> > default:
> > @@ -1343,12 +1347,6 @@ static int elantech_set_properties(struct
> elantech_data *etd)
> > etd->reports_pressure = true;
> > }
> >
> > - /*
> > - * The signatures of v3 and v4 packets change depending on the
> > - * value of this hardware flag.
> > - */
> > - etd->crc_enabled = ((etd->fw_version & 0x4000) == 0x4000);
> > -
> > return 0;
> > }
> >
> > diff --git a/drivers/input/mouse/elantech.h
b/drivers/input/mouse/elantech.h
> > index 036a04a..c963ac8 100644
> > --- a/drivers/input/mouse/elantech.h
> > +++ b/drivers/input/mouse/elantech.h
> > @@ -1,5 +1,5 @@
> > /*
> > - * Elantech Touchpad driver (v6)
> > + * Elantech Touchpad driver (v7)
> > *
> > * Copyright (C) 2007-2009 Arjan Opmeer <arjan@opmeer.net>
> > *
> > --
> > 1.7.10.4
> >
>
> --
> Dmitry
> --
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^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2013-12-10 12:28 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2013-12-09 2:59 [PATCH] Add: (1) Detection for newer Elantech touchpads, so that kernel doesn't fall-back to default PS/2 driver. (2) Enable hardware version 4 touchpad right click function Duson Lin
2013-12-09 6:32 ` Dmitry Torokhov
2013-12-10 12:18 ` duson
2013-12-10 12:18 ` duson
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