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Input: iqs7222 - avoid sending empty SYN_REPORT events
author
Jeff LaBundy
<jeff@labundy.com>
Thu, 8 Sep 2022 21:24:24 +0000
(14:24 -0700)
committer
Dmitry Torokhov
<dmitry.torokhov@gmail.com>
Wed, 14 Sep 2022 10:08:49 +0000
(
03:08
-0700)
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>
Link:
https://lore.kernel.org/r/20220908131548.48120-7-jeff@labundy.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
drivers/input/misc/iqs7222.c
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diff --git
a/drivers/input/misc/iqs7222.c
b/drivers/input/misc/iqs7222.c
index
376ba3e
..
b8749c3
100644
(file)
--- a/
drivers/input/misc/iqs7222.c
+++ b/
drivers/input/misc/iqs7222.c
@@
-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],