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

Mark Brown broonie at kernel.org
Sat Dec 12 15:01:50 PST 2015

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
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