linux-kernel - Re: [PATCH v2 00/12] MFD/extcon/ASoC: Rework arizona codec jack-detect support

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Message-ID: <8905f9f2-1c1c-1b64-d70d-374f84568ccb@redhat.com>
Date:   Mon, 18 Jan 2021 11:28:09 +0100
From:   Hans de Goede <hdegoede@...hat.com>
To:     Lee Jones <lee.jones@...aro.org>
Cc:     Cezary Rojewski <cezary.rojewski@...el.com>,
        Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>,
        Liam Girdwood <liam.r.girdwood@...ux.intel.com>,
        Jie Yang <yang.jie@...ux.intel.com>,
        Mark Brown <broonie@...nel.org>, patches@...nsource.cirrus.com,
        linux-kernel@...r.kernel.org,
        Andy Shevchenko <andy.shevchenko@...il.com>,
        Charles Keepax <ckeepax@...nsource.cirrus.com>,
        alsa-devel@...a-project.org
Subject: Re: [PATCH v2 00/12] MFD/extcon/ASoC: Rework arizona codec
 jack-detect support

Hi,

On 1/18/21 10:55 AM, Lee Jones wrote:
> On Sun, 17 Jan 2021, Hans de Goede wrote:
> 
>> Hi All,
>>
>> This series reworks the arizona codec jack-detect support to use
>> the snd_soc_jack helpers instead of direct extcon reporting.
>>
>> This is done by reworking the extcon driver into an arizona-jackdet
>> library and then modifying the codec drivers to use that directly,
>> replacing the old separate extcon child-devices and extcon-driver.
>>
>> This brings the arizona-codec jack-detect handling inline with how
>> all other ASoC codec driver do this.
>>
>> This was developed and tested on a Lenovo Yoga Tablet 1051L with
>> a WM5102 codec.
>>
>> The MFD, ASoC and extcon parts can be merged independent from each-other
>> although that could lead to a case where both the extcon driver and
>> the new arizona-jackdet library will try to do jack-detection. If we
>> end up with a git tree in that state then one of the 2 will fail to
>> load because the other will already have claimed the IRQs, so this
>> is not a problem really.
>>
>> Or the entire series could be merged through the MFD tree if people
>> prefer that.
>>
>> Note that this series also paves the way for some further cleanups,
>> removing some jackdetect related variables like hp_ena and hp_clamp
>> from the arizona data struct shared between all the MFD child devices.
>> I've deliberately not done that cleanup as part of this patch-series,
>> since IMHO the series is big enough as is. These cleanups can be done
>> in a follow-up series once this series has landed.
> 
> Would you mind using `git format-patch` to create your cover-letters
> in the future please?  This one is missing useful information such as
> the diff-stat and patch list.

I never heard about that git feature until today, so I learn something
new every day :)

I just tested it and it seems useful. I will try to use it next time.

Regards,

Hans