[PATCH] ASoC: rt1011: add i2s reference control for rt1011

[Pierre-Louis Bossart]

On 9/7/21 9:17 PM, Jack Yu wrote:
> 
>> -----Original Message-----
>> From: Pierre-Louis Bossart <pierre-louis.bossart at linux.intel.com>
>> Sent: Tuesday, September 7, 2021 10:54 PM
>> To: Jack Yu <jack.yu at realtek.com>; broonie at kernel.org;
>> lgirdwood at gmail.com
>> Cc: Oder Chiou <oder_chiou at realtek.com>; alsa-devel at alsa-project.org;
>> lars at metafoo.de; kent_chen at realtek.com [陳建宏]
>> <kent_chen at realtek.com>; Derek [方德義] <derek.fang at realtek.com>;
>> Shuming [范書銘] <shumingf at realtek.com>; Flove(HsinFu)
>> <flove at realtek.com>
>> Subject: Re: [PATCH] ASoC: rt1011: add i2s reference control for rt1011
>>
>> On 9/6/21 5:12 AM, Jack Yu wrote:
>>> Add i2s reference control for rt1011 amp.
>>>
>>> Signed-off-by: Jack Yu <jack.yu at realtek.com>
>>
>>> +static const char * const rt1011_i2s_ref[] = {
>>> +	"None", "Left Channel", "Right Channel"
>>> +};
>>
>>> +enum {
>>> +	RT1011_I2S_REF_NONE,
>>> +	RT1011_I2S_REF_LEFT_CH,
>>> +	RT1011_I2S_REF_RIGHT_CH,
>>> +};
>>
>> is it possible to get Left-Right-mix (mixed on rt1011) and Left-Right (two
>> channels, with the application selecting what they want)?
> 
> It's a mono amp, so there's no Left-Right-mix setting. 
> And for the choice of Left-Right channel, it's already available with this patch.

So it's just to place a mono reference in either left or right channel
of the I2S link? Why not dual-mono as well then?