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* [PATCH] Input: elantech - force a module ignore ABS mode
@ 2016-12-12  7:11 KT Liao
  2017-05-12  1:02 ` Dmitry Torokhov
  0 siblings, 1 reply; 2+ messages in thread
From: KT Liao @ 2016-12-12  7:11 UTC (permalink / raw)
  To: linux-kernel, linux-input, dmitry.torokhov; +Cc: phoenix, kt.liao

One Elan sample which sample version is 0x74 and hw_version is 0x04 has a bug in abs mode, so let it run in default mode
Signed-off-by: KT Liao <kt.liao@emc.com.tw>
---
 drivers/input/mouse/elantech.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
index db7d1d6..f1c2d10 100644
--- a/drivers/input/mouse/elantech.c
+++ b/drivers/input/mouse/elantech.c
@@ -1687,6 +1687,13 @@ int elantech_init(struct psmouse *psmouse)
 			     etd->samples[0], etd->samples[1], etd->samples[2]);
 	}
 
+	if (etd->samples[1] == 0x74 && etd->hw_version == 0x03) {
+		/*This module has a bug in absolute mode, let it be defualt mode  */
+		psmouse_info(psmouse,
+			     "This module only active in default mode\n");
+		goto init_fail;
+	}
+
 	if (elantech_set_absolute_mode(psmouse)) {
 		psmouse_err(psmouse,
 			    "failed to put touchpad into absolute mode.\n");
-- 
2.7.4

^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] Input: elantech - force a module ignore ABS mode
  2016-12-12  7:11 [PATCH] Input: elantech - force a module ignore ABS mode KT Liao
@ 2017-05-12  1:02 ` Dmitry Torokhov
  0 siblings, 0 replies; 2+ messages in thread
From: Dmitry Torokhov @ 2017-05-12  1:02 UTC (permalink / raw)
  To: KT Liao; +Cc: linux-kernel, linux-input, phoenix

On Mon, Dec 12, 2016 at 03:11:03PM +0800, KT Liao wrote:
> One Elan sample which sample version is 0x74 and hw_version is 0x04 has a bug in abs mode, so let it run in default mode
> Signed-off-by: KT Liao <kt.liao@emc.com.tw>

Applied, thank you.

> ---
>  drivers/input/mouse/elantech.c | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
> index db7d1d6..f1c2d10 100644
> --- a/drivers/input/mouse/elantech.c
> +++ b/drivers/input/mouse/elantech.c
> @@ -1687,6 +1687,13 @@ int elantech_init(struct psmouse *psmouse)
>  			     etd->samples[0], etd->samples[1], etd->samples[2]);
>  	}
>  
> +	if (etd->samples[1] == 0x74 && etd->hw_version == 0x03) {
> +		/*This module has a bug in absolute mode, let it be defualt mode  */
> +		psmouse_info(psmouse,
> +			     "This module only active in default mode\n");
> +		goto init_fail;
> +	}
> +
>  	if (elantech_set_absolute_mode(psmouse)) {
>  		psmouse_err(psmouse,
>  			    "failed to put touchpad into absolute mode.\n");
> -- 
> 2.7.4
> 

-- 
Dmitry

^ permalink raw reply	[flat|nested] 2+ messages in thread

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2016-12-12  7:11 [PATCH] Input: elantech - force a module ignore ABS mode KT Liao
2017-05-12  1:02 ` Dmitry Torokhov

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