Ubuntu
pulseaudio package

  1. Bug #1251127
  2. Comment #17

Comment 17 for bug 1251127

Revision history for this message
In , Raymond (superquad-vortex2) wrote :

Line Out has PCM playback switch is due to this patch

https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/commit/sound/pci/hda/hda_generic.c?id=247d85ee068610c50d66ee0cd3130e02c69f5f2e

volume is ok but mute switch is not shared by two outputs ( at least on hp dc5800)

 /* for a single channel output, we don't have to name the channel */
 if (cfg->line_outs == 1 && !spec->multi_ios)
- return "PCM";
+ return (ctl_type == NID_PATH_MUTE_CTL) ? channel_name[ch] : "PCM";