[alsa-devel] [PATCH v3] ASoc: wm8580: Add the wm8581 codec to the driver

[Charles Keepax]

On Thu, Oct 20, 2016 at 10:29:14AM +1100, Matt Flax wrote:
> This patch adds support for the wm8581 codec to the wm8580 driver.
> The wm8581 codec hardware adds a fourth DAC and otherwise is
> compatible with the wm8580 codec.
> 
> of_device_id data is used to allow the driver to select the
> suitable DAC count specified in the device tree codec selection.
> The wm8580_driver_data struct is used to store the number of DACs.
> 
> The snd_soc_dai_driver no longer lists the channels_max for the
> playback substream. This variable is set during the i2c probe
> from the of_device_id supplied wm8580_driver_data struct.
> 
> With knowledge of the number of DACs in use, the DAC4 controls,
> widgets and routes are added as required for DAC4.
> 
> The device tree documentation for the wm8580 is altered to list
> the wm8581 codec support, as is the Kconfig file.
> 
> Signed-off-by: Matt Flax <flatmax at flatmax.org>
> ---

Looks good to me.

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

Thanks,
Charles