[alsa-devel] [PATCH 2/2] ASoC: wm97xx: Reset AC'97 device before registering it

[Charles Keepax]

On Fri, Jan 23, 2015 at 04:21:37PM +0100, Lars-Peter Clausen wrote:
> The wm97xx touchscreen driver binds itself to the snd_ac97 device that gets
> registered by the CODEC driver and expects that the device has already been
> reset. Before commit 6794f709b712 ("ASoC: ac97: Drop delayed device
> registration") the device was only registered after the probe function of
> the CODEC driver had finished running, but starting with the mentioned
> commit the device is registered as soon as snd_soc_new_ac97_codec() is
> called. This causes the touchscreen driver to no longer work. Modify the
> CODEC drivers to use snd_soc_alloc_ac97_codec() instead of
> snd_soc_new_ac97_codec() and make sure that the AC'97 device is reset before
> the snd_ac97 device gets registered.
> 
> Fixes: 6794f709b712 ("ASoC: ac97: Drop delayed device registration")
> Reported-by: Manuel Lauss <manuel.lauss at gmail.com>
> Signed-off-by: Lars-Peter Clausen <lars at metafoo.de>
> ---

Looks fine to me.

Acked-by: Charles Keepax <ckeepax at opensource.wolfsonmicro.com>

Thanks,
Charles