Re: [alsa-devel] [PATCH v2 2/4] ASoC: sun4i-codec: Add support for PA gpio pin

On Fri, Dec 11, 2015 at 07:43:57PM +0100, Hans de Goede wrote:

• gpiod_set_value_cansleep(scodec->gpio_pa,
  

• 			 !!SND_SOC_DAPM_EVENT_ON(event));
  

Why the double negation here? The macro is already supposed to give you a boolean and gpiod_set_value_cansleep() ought to cope with a C logic value.