On Wed, Oct 16, 2019 at 11:00:44PM +0100, Mark Brown wrote: > On Wed, Oct 16, 2019 at 02:51:44PM -0700, Greg Kroah-Hartman wrote: > > From: Oleksandr Suvorov <oleksandr.suvorov@xxxxxxxxxxx> > > > > commit 694b14554d75f2a1ae111202e71860d58b434a21 upstream. > > > > This control mute/unmute the ADC input of SGTL5000 > > using its CHIP_ANA_CTRL register. > > This seems like a new feature and not an obvious candidate for stable? there was a long email from Richard that said: Upstream commit 631bc8f0134a ("ASoC: sgtl5000: Fix of unmute outputs on probe"), which is e9f621efaebd in v5.3 replaced snd_soc_component_write with snd_soc_component_update_bits and therefore no longer cleared the MUTE_ADC flag. This caused the ADC to stay muted and recording doesn't work any longer. This patch fixes this problem by adding a Switch control for MUTE_ADC. That's why I took this. If this isn't true, I'll be glad to drop this. thanks, greg k-h