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Commit 79ffbf11 authored by Axel Lin's avatar Axel Lin Committed by Mark Brown
Browse files

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: default avatarAxel Lin <axel.lin@ingics.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent b787f68c

sound/soc/codecs/sta32x.c

+4 −10
Original line number Diff line number Diff line
@@ -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++)