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Date:   Thu, 31 Aug 2017 13:53:01 +0200
From:   Code Kipper <codekipper@...il.com>
To:     Maxime Ripard <maxime.ripard@...e-electrons.com>
Cc:     linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        linux-sunxi <linux-sunxi@...glegroups.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Linux-ALSA <alsa-devel@...a-project.org>,
        "Andrea Venturi (pers)" <be17068@...rbole.bo.it>,
        Marcus Cooper <codekipper@...il.com>
Subject: Re: [PATCH v5 0/8] ASoC: Add I2S support for Allwinner H3 SoCs

On 31 August 2017 at 13:50, Code Kipper <codekipper@...il.com> wrote:
> 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,
I take that back as I can see that's all been submitted.
Thanks,
CK

>
> BR,
> CK
> On 19 August 2017 at 14:48,  <codekipper@...il.com> wrote:
>> From: Marcus Cooper <codekipper@...il.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
>>

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