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authorRaag Jadav <raag.jadav@intel.com>2023-09-12 21:18:15 +0530
committerAndy Shevchenko <andriy.shevchenko@linux.intel.com>2023-09-12 19:41:16 +0300
commit2d325e54d9e2e4ae247c9fd03f810208ce958c51 (patch)
tree914fba8b3c1fb3f08338c42c8b9c22db8cee16ce /drivers/pinctrl/intel
parent0bb80ecc33a8fb5a682236443c1e740d5c917d1d (diff)
pinctrl: baytrail: fix debounce disable case
We don't need to update debounce pulse value in case debounce is to be disabled. Break such a case where arg value is zero. Fixes: 4cfff5b7af8b ("pinctrl: baytrail: consolidate common mask operation") Reported-by: Dan Carpenter <dan.carpenter@linaro.org> Closes: https://lore.kernel.org/linux-gpio/d164d471-5432-4c3c-afdb-33dc8f53d043@moroto.mountain/ Signed-off-by: Raag Jadav <raag.jadav@intel.com> Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Diffstat (limited to 'drivers/pinctrl/intel')
-rw-r--r--drivers/pinctrl/intel/pinctrl-baytrail.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/pinctrl/intel/pinctrl-baytrail.c b/drivers/pinctrl/intel/pinctrl-baytrail.c
index faa8b7ff5bcf..ec76e43527c5 100644
--- a/drivers/pinctrl/intel/pinctrl-baytrail.c
+++ b/drivers/pinctrl/intel/pinctrl-baytrail.c
@@ -983,11 +983,18 @@ static int byt_pin_config_set(struct pinctrl_dev *pctl_dev,
break;
case PIN_CONFIG_INPUT_DEBOUNCE:
- if (arg)
+ if (arg) {
conf |= BYT_DEBOUNCE_EN;
- else
+ } else {
conf &= ~BYT_DEBOUNCE_EN;
+ /*
+ * No need to update the pulse value.
+ * Debounce is going to be disabled.
+ */
+ break;
+ }
+
switch (arg) {
case 375:
db_pulse = BYT_DEBOUNCE_PULSE_375US;