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alsa-mixer: add mixer handling to the fallback stereo case

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Some sound cards don't have any alsa-lib configuration, but they used to
work well enough up to PulseAudio 10. PulseAudio 11 stopped using "hw:0"
for the analog-stereo mapping, and instead defined it as a fallback
mapping without any mixer handling. As a result, switching between
headphones and speakers stopped working without changing the mixer
settings manually at least on Toshiba Chromebook 2. This patch adds the
mixer handling back to the fallback mapping.

I also renamed "unknown-stereo" to "stereo-fallback", because I like
that name more.

BugLink: https://bugs.freedesktop.org/show_bug.cgi?id=102560
This commit is contained in:
Tanu Kaskinen 2017-09-08 15:10:41 +03:00
parent bd151646dd
commit 56b6e32535
2 changed files with 10 additions and 7 deletions
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2
src/modules/alsa/alsa-mixer.c
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@ -3990,6 +3990,7 @@ static int mapping_verify(pa_alsa_mapping *m, const pa_channel_map *bonus) {
static const struct description_map well_known_descriptions[] = {
{ "analog-mono", N_("Analog Mono") },
{ "analog-stereo", N_("Analog Stereo") },
{ "stereo-fallback", N_("Stereo") },
/* Note: Not translated to "Analog Stereo Input", because the source
* name gets "Input" appended to it automatically, so adding "Input"
* here would lead to the source name to become "Analog Stereo Input
@ -4017,7 +4018,6 @@ static int mapping_verify(pa_alsa_mapping *m, const pa_channel_map *bonus) {
{ "iec958-dts-surround-51", N_("Digital Surround 5.1 (IEC958/DTS)") },
{ "hdmi-stereo", N_("Digital Stereo (HDMI)") },
{ "hdmi-surround-51", N_("Digital Surround 5.1 (HDMI)") },
{ "unknown-stereo", N_("Stereo") },
};
pa_assert(m);