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authorHansem Ro2021-05-06 13:27:10 -0700
committerDmitry Torokhov2021-05-06 15:10:20 -0700
commitac05a8a927e5a1027592d8f98510a511dadeed14 (patch)
treea30d4c21df4622fadf57d9cceb699933ee30466f
parentd0034a7a4ac7fae708146ac0059b9c47a1543f0d (diff)
Input: ili210x - add missing negation for touch indication on ili210x
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") Cc: stable@vger.kernel.org Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
-rw-r--r--drivers/input/touchscreen/ili210x.c2
1 files changed, 1 insertions, 1 deletions
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)))
return false;
*x = get_unaligned_be16(touchdata + 1 + (finger * 4) + 0);