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Input: iqs7222 - avoid sending empty SYN_REPORT events 

Add a check to prevent sending undefined events, which ultimately
map to SYN_REPORT.

Fixes: e505edaedc ("Input: add support for Azoteq IQS7222A/B/C")
Signed-off-by: Jeff LaBundy <jeff@labundy.com>
Link: https://lore.kernel.org/r/20220908131548.48120-7-jeff@labundy.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Jeff LaBundy 2022-09-08 14:24:24 -07:00 committed by Dmitry Torokhov
parent 10e629d31a
commit 514c13b1fa
1 changed files with 3 additions and 0 deletions
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3
drivers/input/misc/iqs7222.c
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@ -2326,6 +2326,9 @@ 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],