[alsa-devel] [PATCH v2 00/10] ASoC: Add support to WCD9335 Audio Codec

Vinod vkoul at kernel.org
Mon Jul 30 06:49:50 CEST 2018


On 27-07-18, 13:17, Srinivas Kandagatla wrote:
> Thankyou for reviewing v1 patchset, here is v2 addressing comments from v1.
> 
> Qualcomm WCD9335 Codec is a standalone Hi-Fi audio codec IC.
> It is integrated in multiple Qualcomm SoCs like: MSM8996, MSM8976,
> and MSM8956 chipsets.
> 
> WCD9335 had multiple functional blocks, like: Soundwire controller,
> interrupt mux, pin controller, Audio codec, MBHC, MAD(Mic activity Detection),
> Ultrasonic proximity and pen detection, Battery-voltage monitoring and
> Codec processing engine.
> 
> Currently this patchset has been only tested with SLIMbus interface due
> to hardware avaiablity, but it can be easily made to work with both SLIMbus
> and I2C/I2S.    
> 
> This patchset adds very basic playback and capture support witout much
> fancy features. New features will be added once the basic support is in.
> This patchset is tested on top of linux-next on DB820c for both playback
> and capture paths.
> 
> This patchset also depends on the SLIMbus Stream apis which is already merged
> via char-misc tree for 4.19.
> 
> Some parts of the code has been inherited from Qualcomm andriod kernel,
> so credits to various authors.
> 
> WCD9335 can be interfaced via I2S/I2C or SLIMbus. 
> 
> Here is my test branch incase someone want to try this out:
> https://git.linaro.org/people/srinivas.kandagatla/linux.git/log/?h=wcd9335

Apart from the few nitpicks I noticed, this looks good to me, so:

Reviewed-by: Vinod Koul <vkoul at kernel.org>

-- 
~Vinod


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