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* [PATCH] Input: alps - Fix reporting pressure of v3 trackstick
@ 2018-04-08 15:53 Pali Rohár
  2018-04-23 23:26 ` Dmitry Torokhov
  0 siblings, 1 reply; 2+ messages in thread
From: Pali Rohár @ 2018-04-08 15:53 UTC (permalink / raw)
  To: Dmitry Torokhov, Masaki Ota; +Cc: linux-input, linux-kernel

According to documentation, all 7 lower bits represents trackpoint pressure.

Fixes: 4621c9660459 ("Input: alps - report pressure of v3 and v7 trackstick")
Signed-off-by: Pali Rohár <pali.rohar@gmail.com>
---
 drivers/input/mouse/alps.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c
index 0a9e6a3a2f9f..1e28d9fc5492 100644
--- a/drivers/input/mouse/alps.c
+++ b/drivers/input/mouse/alps.c
@@ -583,7 +583,7 @@ static void alps_process_trackstick_packet_v3(struct psmouse *psmouse)
 
 	x = (s8)(((packet[0] & 0x20) << 2) | (packet[1] & 0x7f));
 	y = (s8)(((packet[0] & 0x10) << 3) | (packet[2] & 0x7f));
-	z = packet[4] & 0x7c;
+	z = packet[4] & 0x7f;
 
 	/*
 	 * The x and y values tend to be quite large, and when used
-- 
2.11.0

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

* Re: [PATCH] Input: alps - Fix reporting pressure of v3 trackstick
  2018-04-08 15:53 [PATCH] Input: alps - Fix reporting pressure of v3 trackstick Pali Rohár
@ 2018-04-23 23:26 ` Dmitry Torokhov
  0 siblings, 0 replies; 2+ messages in thread
From: Dmitry Torokhov @ 2018-04-23 23:26 UTC (permalink / raw)
  To: Pali Rohár; +Cc: Masaki Ota, linux-input, linux-kernel

On Sun, Apr 08, 2018 at 05:53:21PM +0200, Pali Rohár wrote:
> According to documentation, all 7 lower bits represents trackpoint pressure.
> 
> Fixes: 4621c9660459 ("Input: alps - report pressure of v3 and v7 trackstick")
> Signed-off-by: Pali Rohár <pali.rohar@gmail.com>

Applied, thank you.

> ---
>  drivers/input/mouse/alps.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c
> index 0a9e6a3a2f9f..1e28d9fc5492 100644
> --- a/drivers/input/mouse/alps.c
> +++ b/drivers/input/mouse/alps.c
> @@ -583,7 +583,7 @@ static void alps_process_trackstick_packet_v3(struct psmouse *psmouse)
>  
>  	x = (s8)(((packet[0] & 0x20) << 2) | (packet[1] & 0x7f));
>  	y = (s8)(((packet[0] & 0x10) << 3) | (packet[2] & 0x7f));
> -	z = packet[4] & 0x7c;
> +	z = packet[4] & 0x7f;
>  
>  	/*
>  	 * The x and y values tend to be quite large, and when used
> -- 
> 2.11.0
> 

-- 
Dmitry

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

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2018-04-08 15:53 [PATCH] Input: alps - Fix reporting pressure of v3 trackstick Pali Rohár
2018-04-23 23:26 ` Dmitry Torokhov

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