[alsa-devel] [PATCH v11 2/8] ASoC: core: Generic ac97 link reset functions
broonie at kernel.org
Tue Aug 20 12:22:11 CEST 2013
On Mon, Aug 19, 2013 at 05:05:55PM +0200, Markus Pargmann wrote:
> This patch adds generic ac97 reset functions using pincontrol and gpio
> parsed from devicetree.
> +Required properties:
> + - pinctrl-names: Has to contain following states to setup the correct
> + pinmuxing for the used gpios:
> + "ac97-running": AC97-link is active
> + "ac97-reset": AC97-link reset state
> + "ac97-warm-reset": AC97-link warm reset state
> + - ac97-gpios: List of gpio phandles with args in the order ac97-sync,
> + ac97-sdata, ac97-reset
This should really be reviewed on the DT list but never mind.
> + gpio_direction_output(snd_ac97_rst_cfg.gpio_sync, 0);
These ought to be _cansleep() since there's no need for them to run in
atomic context but that can be fixed up later.
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