but subwoofer of some laptops are already using this feature to get the
front channel when playing stereo
you need a switch to enable this surround for those laptop with 5.1 internal
speakers and external 5.1/7.1 Line out
for (i = 0; i < ARRAY_SIZE(mout->extra_out_nid); i++)
- if (!mout->no_share_stream && mout->extra_out_nid[i]) {
- if (!mout->no_share_stream && mout->extra_out_nid[i]) {
+ if (mout->internal_51_speaker) {
+ snd_hda_codec_setup_stream(codec,
+ mout->extra_out_nid[i],
+ stream_tag, i * 2, format);
+ }
+ else {
+
snd_hda_codec_setup_stream(codec,
mout->extra_out_nid[i],
stream_tag, 0, format);
+}
+}
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Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1236965
Title:
pulseaudio does not recognize internal speakers [P180HMx, Realtek
ALC892, Speaker, Internal] volume slider problem
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https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1236965/+subscriptions
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