[PATCH 06/11] Input: iqs7222 - avoid sending empty SYN_REPORT events

Jeff LaBundy
2022-09-08T13:17:21Z

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@labundy.com>
---
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 365e59f78f1a..00c73a920ab2 100644
--- a/drivers/input/misc/iqs7222.c
+++ b/drivers/input/misc/iqs7222.c
@@ -2427,6 +2427,9 @@ 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],
--
2.25.1