From: Jeff LaBundy <jeff@xxxxxxxxxxx>
[ Upstream commit 514c13b1faed74e9bc19061b6d7c78d53a3402ba ]
Add a check to prevent sending undefined events, which ultimately
map to SYN_REPORT.
Fixes: e505edaedcb9 ("Input: add support for Azoteq IQS7222A/B/C")
Signed-off-by: Jeff LaBundy <jeff@xxxxxxxxxxx>
Link: https://lore.kernel.org/r/20220908131548.48120-7-jeff@xxxxxxxxxxx
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/input/misc/iqs7222.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/input/misc/iqs7222.c b/drivers/input/misc/iqs7222.c
index 8fd665874a24..0b2bf471b3a0 100644
--- a/drivers/input/misc/iqs7222.c
+++ b/drivers/input/misc/iqs7222.c
@@ -2314,6 +2314,9 @@ static int iqs7222_report(struct iqs7222_private *iqs7222)
int k = 2 + j * (num_chan > 16 ? 2 : 1);
u16 state = le16_to_cpu(status[k + i / 16]);
+ if (!iqs7222->kp_type[i][j])
+ continue;
+
input_event(iqs7222->keypad,
iqs7222->kp_type[i][j],
iqs7222->kp_code[i][j],
--
2.35.1
