linux-kernel - Re: [PATCH 0/3] add channel constraint for BDW machine drivers

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Message-ID: <1bcd3310-34c3-7d90-cb18-f474d9e30c25@intel.com>
Date:   Mon, 27 Apr 2020 13:15:19 +0200
From:   Cezary Rojewski <cezary.rojewski@...el.com>
To:     Brent Lu <brent.lu@...el.com>, alsa-devel@...a-project.org
Cc:     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>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>, Ben Zhang <benzh@...omium.org>,
        Mac Chiang <mac.chiang@...el.com>,
        Guennadi Liakhovetski <guennadi.liakhovetski@...ux.intel.com>,
        Kuninori Morimoto <kuninori.morimoto.gx@...esas.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/3] add channel constraint for BDW machine drivers

On 2020-04-27 13:01, Cezary Rojewski wrote:
> On 2020-04-27 10:37, Brent Lu wrote:
>> The machine driver bdw-rt5650 (for Google buddy) supports 2 or 4-channel
>> recording while other two drivers support only 2-channel recording. HW
>> constraints are implemented to reflect the hardware limitation on BDW
>> platform.
>>
> 
> Message body relates to bdw-rt5650 while the series touches every of BDW 
> boards.

Ignore my first sentence :-) Second still applies though

> 
> Apart from review given for each and every patch (although most issues 
> are shared so there is not as much to address) my question is:
> - are these hw limitations or software (machine board) limitations?
> 
> Czarek
> 
>> Brent Lu (3):
>>    ASoC: bdw-rt5677: channel constraint support
>>    ASoC: bdw-rt5650: channel constraint support
>>    ASoC: broadwell: channel constraint support
>>
>>   sound/soc/intel/boards/bdw-rt5650.c | 34 
>> ++++++++++++++++++++++++++++++++++
>>   sound/soc/intel/boards/bdw-rt5677.c | 33 
>> +++++++++++++++++++++++++++++++++
>>   sound/soc/intel/boards/broadwell.c  | 33 
>> +++++++++++++++++++++++++++++++++
>>   3 files changed, 100 insertions(+)
>>