[alsa-devel] [PATCH 1/5] ASoC: tas571x: fix missing bias save level

[Lars-Peter Clausen]

On 10/03/2016 09:00 PM, Petr Kulhavy wrote:
> 
> On 03/10/16 19:09, Lars-Peter Clausen wrote:
>> On 10/03/2016 04:40 PM, Petr Kulhavy wrote:
>>> The tas571x_set_bias_level() was not saving the new bias level to
>>> codec->dapm.bias_level. This had the effect that bias was switching between
>>> standby and off levels and never entered the on level.
>>>
>>> This fix saves the bias level before returning from the function.
>>>
>> This is done by the ASoC core after the function completes, so this should
>> not be necessary.
> Hi Lars,
> 
> since what kernel version is it handled by the ASoC core?
> I've been testing it on a 4.1 based iMX kernel and there the bias levels

Since v4.2. This is the commit:
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=fa880775ab0d5a8d540972f7b6800fad1af16b75