Re: [PATCH] ASoC: codecs: wsa884x: allow sharing reset GPIO

From: Mark Brown
Date: Wed Oct 18 2023 - 08:35:53 EST


On Wed, Oct 18, 2023 at 12:00:55PM +0200, Krzysztof Kozlowski wrote:
> On some boards with multiple WSA8840/WSA8845 speakers, the reset
> (shutdown) GPIO is shared between two speakers. Request it as
> GPIOD_FLAGS_BIT_NONEXCLUSIVE to allow such configurations.

> wsa884x->sd_n = devm_gpiod_get_optional(dev, "powerdown",
> - GPIOD_OUT_HIGH);
> + GPIOD_FLAGS_BIT_NONEXCLUSIVE | GPIOD_OUT_HIGH);

How do the speakers coordinate?

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