[alsa-devel] [PATCH v5 0/8] ASoC: Add I2S support for Allwinner H3 SoCs

[Code Kipper]

Hi Mark,

Wens has given this patch series his blessing so it's good to go.

Let us know if you need me to resubmit,

BR,
CK
On 19 August 2017 at 14:48,  <codekipper at gmail.com> wrote:
> From: Marcus Cooper <codekipper at gmail.com>
>
> Hi All,
> please find attached a series of patches to bring i2s support to the
> Allwinner H3 SoC. This has been tested with the following setups:
>
> A20 Olimex EVB connected to a pcm5102
> Orange Pi 2 connected to a uda1380
> Orange Pi 2 hdmi audio playback
> Pine 64 connected to the audio DAC board
>
> To get i2s working some additional patches are required which will be
> delivered later. For now they have been pushed here
>
> https://github.com/codekipper/linux-sunxi/commits/sunxi-audio-h3
>
> I don't own a A33 device which uses the i2s block for the audio codec
> so if someone could test against that it would be much appreciated.
>
> I'm also wondering if there is a preferred way of setting the lrclk
> size in the dts?..currently it is set to the sample width but for example
> the pcm5102a wants it to be 32 bits whatever the sample rate.
>
> Thanks in advance,
> CK
>
> ---
>
> v5 changes compared to v4 are:
> - fixed bad logic in fmt0 set LRCK period define.
> - fixed PTR_ERR checks in init of regmap fields
> - added reviewed-by to commit messages
> - removed delivered patches
>
> v4 changes compared to v3 are:
> - moved clkdiv variant adjustment out of function
> - used PTR_ERR_OR_ZERO for checks
> - tidy up of extra lines and lines over 80 chars.
> - reduced names of polarity, wss and sr reg fields.
> - added reviewed-by to commit messages
> - added comments for functionality that hasn't been implemented yet.
> - removed delivered patches
>
> v3 changes compared to v2 are:
> - initial changes to prepare driver for newer SoCs has been broken down
>   into smaller patches
> - reduce use of regmap fields to where just needed.
> - clkdiv expansion will be delivered later.
> - defines for H3 variant segregated.
> - fixed regmap config issue with SUN8I_I2S_FIFO_TX_REG.
>
> v2 changes compared to v1 are:
>  - massive refactoring to remove duplicate code making use of regmap_fields.
>  - extending the clock divisors.
>  - removed code that should be delivered when we support 20/24bits
>
> ---
>
> Marcus Cooper (8):
>   ASoC: sun4i-i2s: Add regmap fields for channels
>   ASoC: sun4i-i2s: Add regfields for word size select and sample
>     resolution
>   ASoC: sun4i-i2s: bclk and lrclk polarity tidyup
>   ASoC: sun4i-i2s: Add mclk enable regmap field
>   ASoC: sun4i-i2s: Add regmap field to set DAI format
>   ASoC: sun4i-i2s: Check for slave select bit
>   ASoC: sun4i-i2s: Update global enable with bitmask
>   ASoC: sun4i-i2s: Add support for H3
>
>  .../devicetree/bindings/sound/sun4i-i2s.txt        |   2 +
>  sound/soc/sunxi/sun4i-i2s.c                        | 406 ++++++++++++++++++---
>  2 files changed, 357 insertions(+), 51 deletions(-)
>
> --
> 2.14.1
>