[alsa-devel] [PATCH v2] ASoC: cs42888: Add codec driver support

Lars-Peter Clausen lars at metafoo.de
Tue Mar 11 16:55:58 CET 2014

On 03/11/2014 04:41 PM, Brian Austin wrote:
> On Tue, 11 Mar 2014, Nicolin Chen wrote:
>> This patch adds support for the Cirrus Logic CS42888 Audio CODEC that
>> has four 24-bit A/D and eight 24-bit D/A converters.
>> [ CS42888 supports both I2C and SPI control ports. As initial patch,
>>  this patch only adds the support for I2C. ]
>> Signed-off-by: Nicolin Chen <Guangyu.Chen at freescale.com>
>> ---
> So WRT the CS42888, this is one device in a series of 2 devices that are
> register compatible with the only difference being that the CS42488 has 2
> extra ADC's. Same die and same DeviceID.
> Would it make more sense to submit the driver with the extra ADC's to make
> it feature complete for both devices? Wouldn't be odd to have 2 drivers that
> do the same for 98% of the code.

This should be in one driver. But support for the second device can always 
be added in a follow up patch.

- Lars

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