ASoC: sta350: Use devm_gpiod_get_optional at appropriate place
devm_gpiod_get_optional is equivalent to devm_gpiod_get(), except that
when no GPIO was assigned to the requested function it will return NULL.
This is convenient for drivers that need to handle optional GPIOs.
I just checked the code in commit 34d7c3905adb9a9
("ASoC: improve usage of gpiod API") and found that it should use
devm_gpiod_get_optional rather than devm_gpiod_get here.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/sound/soc/codecs/sta350.c b/sound/soc/codecs/sta350.c
index 669e322..cc67a24 100644
--- a/sound/soc/codecs/sta350.c
+++ b/sound/soc/codecs/sta350.c
@@ -1218,8 +1218,8 @@
if (IS_ERR(sta350->gpiod_nreset))
return PTR_ERR(sta350->gpiod_nreset);
- sta350->gpiod_power_down = devm_gpiod_get(dev, "power-down",
- GPIOD_OUT_LOW);
+ sta350->gpiod_power_down = devm_gpiod_get_optional(dev, "power-down",
+ GPIOD_OUT_LOW);
if (IS_ERR(sta350->gpiod_power_down))
return PTR_ERR(sta350->gpiod_power_down);