[alsa-devel] [PATCH] ASoC: Intel: bytcht_es8316: fix compilation warning and quirk handling

[Pierre-Louis Bossart]

On 4/18/19 6:57 AM, Hans de Goede wrote:
> Hi,
> 
> On 10-04-19 19:58, Pierre-Louis Bossart wrote:
>>
>>> There is a good reason to use -1 for quirk-override not set.
>>>
>>> The user may want to override the quirk variable to actual 0, on
>>> CHT we default to:
>>>
>>>                  /* Others default to internal-mic-in1-map, 
>>> mono-speaker */
>>>                  quirk = BYT_CHT_ES8316_INTMIC_IN1_MAP |
>>>                          BYT_CHT_ES8316_MONO_SPEAKER;
>>>
>>> Which is 0x20000, if the user now justs wants to clear the
>>> BYT_CHT_ES8316_MONO_SPEAKER flag through the override, then the user
>>> must be able to specify 0 as override.
>>
>> ok, I accept the argument but then why don't we do the same in other 
>> machine drivers? I could make the same argument for bytcr_rt5640/51, 
>> so we should align all machine drivers using this mechanism.
> 
> I agree that ideally all machine drivers should be updated to use -1
> for "quirk override not set". The drivers which are currently not
> using -1 already had their current quirk-override implementation in
> place before I started working on them.

Thanks Hans, I'll provide an update shortly.