On Thu, 2016-09-22 at 23:06 +0300, Nikita Yushchenko wrote: > tlv320dac31xx is a subset of tlv320aic31xx: > - it does not have MIC inputs and ADC, thus capture is not supported, > - it has analog inputs AIN1/AIN2 that can be mixed into output. > > Although tlv320dac31xx does work with tlv320aic31xx driver, this > setup > does register non-existent widgets and non-existent capture stream. > Thus userspace lists non-existent objects in user interfaces, an can > access these, causing operations with device registers that are > declared as "reserved" in tlv320dac31xx datasheet. > > This patch fixes this situation by separating controls/widgets/routes > into common, aic31xx-specific, and dac31xx-specific parts. Only parts > that match actual hardware (as declared in "compatible" device tree > property) are registered. > > Signed-off-by: Nikita Yushchenko <nikita.yoush@xxxxxxxxxxxxxxxxxx> I don't have access to the hardware. My original patch allowed playback to work (ish) on a specific device that I don't own. Probably best to ignore my patch, or even revert it before applying this one. Cheers _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
