ASoC: sta32x: 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.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

1 files changed, 4 insertions, 10 deletions

diff --git a/sound/soc/codecs/sta32x.c b/sound/soc/codecs/sta32x.c
index 007a0e3bc273..0111baf9a5d4 100644
--- a/sound/soc/codecs/sta32x.c
+++ b/sound/soc/codecs/sta32x.c
@@ -1096,16 +1096,10 @@ static int sta32x_i2c_probe(struct i2c_client *i2c,
 #endif
 
         /* GPIOs */
-        sta32x->gpiod_nreset = devm_gpiod_get(dev, "reset");
-        if (IS_ERR(sta32x->gpiod_nreset)) {
-                ret = PTR_ERR(sta32x->gpiod_nreset);
-                if (ret != -ENOENT && ret != -ENOSYS)
-                        return ret;
-
-                sta32x->gpiod_nreset = NULL;
-        } else {
-                gpiod_direction_output(sta32x->gpiod_nreset, 0);
-        }
+        sta32x->gpiod_nreset = devm_gpiod_get_optional(dev, "reset",
+                                                       GPIOD_OUT_LOW);
+        if (IS_ERR(sta32x->gpiod_nreset))
+                return PTR_ERR(sta32x->gpiod_nreset);
 
         /* regulators */
         for (i = 0; i < ARRAY_SIZE(sta32x->supplies); i++)