* Re: [PATCH] Input: ili210x - add missing negation for touch indication on ili210x
[not found] <DS7PR19MB44212FCE6607B2C7978AB612DD589@DS7PR19MB4421.namprd19.prod.outlook.com>
@ 2021-05-06 17:50 ` Marek Vasut
[not found] ` <DS7PR19MB442159ACE7E2C03013917956DD589@DS7PR19MB4421.namprd19.prod.outlook.com>
0 siblings, 1 reply; 2+ messages in thread
From: Marek Vasut @ 2021-05-06 17:50 UTC (permalink / raw)
To: Hansem Ro, linux-input; +Cc: linux-kernel, dmitry.torokhov
On 5/6/21 7:32 PM, Hansem Ro wrote:
> This adds the negation needed for proper finger detection on Ilitek
> ili2107/ili210x. This fixes the polling and coordinate parsing issues
> (on Amazon Kindle Fire) caused by returning false for the cooresponding
> finger on the touchscreen.
>
> Signed-off-by: Hansem Ro <hansemro@outlook.com>
> ---
> drivers/input/touchscreen/ili210x.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/input/touchscreen/ili210x.c b/drivers/input/touchscreen/ili210x.c
> index d8fccf048bf4..30576a5f2f04 100644
> --- a/drivers/input/touchscreen/ili210x.c
> +++ b/drivers/input/touchscreen/ili210x.c
> @@ -87,7 +87,7 @@ static bool ili210x_touchdata_to_coords(const u8 *touchdata,
> unsigned int *x, unsigned int *y,
> unsigned int *z)
> {
> - if (touchdata[0] & BIT(finger))
> + if (!(touchdata[0] & BIT(finger)))
This makes the behavior consistent with the other ILI21xx touchscreen
controllers too, so I think this patch is OK, thanks.
It would be nice if you could add Fixes: tag, so this could get picked
into linux-stable too.
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PATCH v2] Input: ili210x - add missing negation for touch indication on ili210x
[not found] ` <DS7PR19MB442159ACE7E2C03013917956DD589@DS7PR19MB4421.namprd19.prod.outlook.com>
@ 2021-05-06 20:29 ` Dmitry Torokhov
0 siblings, 0 replies; 2+ messages in thread
From: Dmitry Torokhov @ 2021-05-06 20:29 UTC (permalink / raw)
To: Hansem Ro; +Cc: marex, mjsakellaropoulos, linux-input, linux-kernel
On Thu, May 06, 2021 at 12:38:19PM -0700, Hansem Ro wrote:
> This adds the negation needed for proper finger detection on Ilitek
> ili2107/ili210x. This fixes polling issues (on Amazon Kindle Fire)
> caused by returning false for the cooresponding finger on the touchscreen.
>
> Signed-off-by: Hansem Ro <hansemro@outlook.com>
> Fixes: e3559442afd2a ("ili210x - rework the touchscreen sample processing")
Applied, thank you.
--
Dmitry
^ permalink raw reply [flat|nested] 2+ messages in thread
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2021-05-06 17:50 ` [PATCH] Input: ili210x - add missing negation for touch indication on ili210x Marek Vasut
[not found] ` <DS7PR19MB442159ACE7E2C03013917956DD589@DS7PR19MB4421.namprd19.prod.outlook.com>
2021-05-06 20:29 ` [PATCH v2] " Dmitry Torokhov
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