At Sun, 21 Oct 2012 17:51:00 +0800, Raymond Yau wrote: > > [1 <text/plain; UTF-8 (quoted-printable)>] > 2012-10-21 ??4:42 ? "Takashi Iwai" <tiwai at suse.de> ??? > > > > At Fri, 19 Oct 2012 11:15:29 +0800, > > Raymond Yau wrote: > > > > > > does softvol plugin "master" has any preference over vmaster in amixer ? > > > > No, it shouldn't. > > Simple mixer control 'Master',0 Capabilities: pvolume pswitch > pswitch-joined penum Playback channels: Front Left - Front Right Limits: > Playback 0 - 255 Mono: Front Left: Playback 255 [100%] [191.00dB] [on] > Front Right: Playback 255 [100%] [191.00dB] [on] > > the dB value change to 191dB > > it seem that alsa-lib is unable to find the correct tlv Something wild is merged in his system. It has a wrong "Master" control without suffix. Also a strange "Pre-Amp" control is found there, too. The string doesn't fix in kernel or alsa-lib codes at all. Takashi > > > > > > > > > > http://www.alsa-project.org/db/?f=44b26f5cd37f33bfef2871ff1fd250301bdb5364 > > > > > > control.32 { > > > iface MIXER > > > name 'Master Playback Volume' > > > value 64 > > > comment { > > > access 'read write' > > > type INTEGER > > > count 1 > > > range '0 - 64' > > > dbmin -6400 > > > dbmax 0 > > > dbvalue.0 0 > > > } > > > } > > > > > > control.42 { > > > iface MIXER > > > name Master > > > value.0 255 > > > value.1 255 > > > comment { > > > access 'read write user' > > > type INTEGER > > > count 2 > > > range '0 - 255' > > > tlv '0000000100000008ffffec1400000014' > > > dbmin -5100 > > > dbmax 0 > > > dbvalue.0 0 > > > dbvalue.1 0 > > > } > > > > > > Card hw:0 'Intel'/'HDA Intel at 0xfeaf8000 irq 43' > > > Mixer name: 'Realtek ALC887-VD' > > > Components: 'HDA:10ec0887,10438445,00100302' > > > Controls : 42 > > > Simple ctrls : 22 > > > Simple mixer control 'Master',0 > > > Capabilities: pvolume pswitch pswitch-joined penum > > > Playback channels: Front Left - Front Right > > > Limits: Playback 0 - 255 > > > Mono: > > > Front Left: Playback 255 [100%] [191.00dB] [on] > > > Front Right: Playback 255 [100%] [191.00dB] [on] > > > Simple mixer control 'Headphone',0 > > > Capabilities: pvolume pswitch penum > > > Playback channels: Front Left - Front Right > > > Limits: Playback 0 - 64 > > > Mono: > > > Front Left: Playback 64 [100%] [0.00dB] [on] > > > Front Right: Playback 64 [100%] [0.00dB] [on] > > > Simple mixer control 'PCM',0 > > > Capabilities: pvolume penum > > > Playback channels: Front Left - Front Right > > > Limits: Playback 0 - 255 > > > Mono: > > > Front Left: Playback 255 [100%] [0.00dB] > > > Front Right: Playback 255 [100%] [0.00dB] > > > > > > https://launchpadlibrarian.net/119782219/Symptom_PulseAudioLog.txt > > > > > > Oct 15 10:49:11 xaser pulseaudio[1601]: [pulseaudio] alsa-util.c: > Unable to > > > load mixer: Invalid argument > [2 <text/html; UTF-8 (quoted-printable)>] >