[alsa-devel] [PATCH v3] ASoC: codec: hdac_hdmi: fix pin connections at cvt enable

[Takashi Iwai]

On Thu, 13 Jun 2019 13:54:12 +0200,
Kai Vehmanen wrote:
> 
> In display codecs supported by hdac_hdmi, the connection indices are
> shared by all converters. At boot and resume from suspend,
> the connection state may be reset to default values.
> 
> In case of multiple connected pins (multiple monitors connected
> with audio capability), routing and mute status of pins that
> are not connected to any PCM, may interfere with other pins.
> E.g. after resume from S3 with multiple monitors, unless
> all converters are in active use, playback to some PCMs may
> be muted due to the default settings of unrelated converters.
> 
> Avoid this by ensuring all pin:cvt selections are correct
> in codec whenever a converter is enabled for playback.
> 
> Signed-off-by: Kai Vehmanen <kai.vehmanen at linux.intel.com>

Reviewed-by: Takashi Iwai <tiwai at suse.de>


thanks,

Takashi