[alsa-devel] ASoC: TLV320AIC3x: Adding additional functionality for 3106 with [Patch] for discuss

[Peter Ujfalusi]

On 03/15/16 12:17, Timur Karaldin wrote:
> 14.03.2016 19:38, Peter Ujfalusi пишет:
>> On 03/14/2016 04:57 PM, Timur Karaldin wrote:
>>> Hi, Peter!
>>> What's about placing capture controls in the Playback section of Alsamixer
>>> view?
>> Yeah, it is annoying. They can be fixed by:
>> "Line1L Switch" -> "Line1L Capture Switch" and so on. On the other hand we had
>> these unfortunate control names I think since the beginning and it is kind of
>> an ABI for existing products. I don't have issue changing them, but existing
>> setups relying on the control names might break...
>>
>>> Does resetting of some registers during start/stop of recording
>>> connect with it?
>> Not sure what you mean.
>>
> I mean current situation:
> 
> #i2cdump -f -y -r 13-13 1 0x1b
> Result: 0x00
> #arecord test.wav &
> #i2cdump -f -y -r 13-13 1 0x1b
> Result: 0x00
> # amixer sset 'Headset Detect Enable' *on*
> #i2cdump -f -y -r 13-13 1 0x1b
> Result:*0x80*
> #killall arecord
> #i2cdump -f -y -r 13-13 1 0x1b
> Result: 0x00
> #arecord test.wav &
> #i2cdump -f -y -r 13-13 1 0x1b
> Result:*0x00
> *#killall arecord*
> *amixer sset 'Headset Detect Enable'*on**
> *#i2cdump -f -y -r 13-13 1 0x1b
> Result:**0x00
> **#amixer sset 'Headset Detect Enable' off
> *amixer: Invalid command!*
> 
> So state of 'Headset Detect Enable' and others of my controls were not stored
> during arecord/aplay restart (open and close device).

aic3x_set_power() will soft reset the codec on power off which resets also the
headset detect registers.

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