Re: [alsa-devel] [PATCH v2 1/2] ASoC: sta32x: Use devm_gpiod_get_optional at appropriate place

On Sat, May 09, 2015 at 11:08:33PM +0800, Axel Lin wrote:

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.

Applied, thanks.