After a fresh reboot, the sound works ok but if I put the computer to sleep (pm-suspend), after it wakes up there is no sound anymore. I did try 'alsa force-reload' after suspend but still no sound. After 'pm-hibernate' sound is back again. I found an old thread here: https://bugzilla.kernel.org/show_bug.cgi?id=49421 where Michael seems to have the same problem which is still unsolved; maybe I can help with more info. I attached the 'alsa-info.sh' output before and after suspend: 'alsa-info.txt.before' and 'alsa-info.txt.after' (as a patch to stay below 80k mail size rule: diff -u alsa-info.txt.before alsa-info.txt.after > alsa-info.txt.patch) The only difference between before and after is this one: @@ -241,7 +241,7 @@ Node 0x11 [Audio Input] wcaps 0x10051b: Stereo Amp-In Amp-In caps: ofs=0x11, nsteps=0x2e, stepsize=0x03, mute=1 Amp-In vals: [0x12 0x12] - Converter: stream=4, channel=0 + Converter: stream=0, channel=0 SDI-Select: 0 PCM: rates [0x160]: 44100 48000 96000 The PC is here: http://www.dell.com/us/p/xps-27-2720-aio/pd?ref=PD_OC, but the 2y older version with no touch If I boot into windows (8.1) everything works great, including sound (even after suspend) -- gg
Attachment:
alsa-info.txt.before
Description: Binary data
--- alsa-info.txt.before 2015-10-21 16:41:42.777532532 +0300
+++ alsa-info.txt.after 2015-10-21 16:41:41.269514082 +0300
@@ -3,7 +3,7 @@
!!ALSA Information Script v 0.4.64
!!################################
-!!Script ran on: Tue Oct 20 20:37:31 UTC 2015
+!!Script ran on: Tue Oct 20 20:42:33 UTC 2015
!!Linux Distribution
@@ -241,7 +241,7 @@
Node 0x11 [Audio Input] wcaps 0x10051b: Stereo Amp-In
Amp-In caps: ofs=0x11, nsteps=0x2e, stepsize=0x03, mute=1
Amp-In vals: [0x12 0x12]
- Converter: stream=4, channel=0
+ Converter: stream=0, channel=0
SDI-Select: 0
PCM:
rates [0x160]: 44100 48000 96000
@@ -537,7 +537,7 @@
crw-rw----+ 1 root audio 116, 6 Oct 20 00:10 /dev/snd/hwC0D0
crw-rw----+ 1 root audio 116, 7 Oct 20 00:10 /dev/snd/hwC0D3
crw-rw----+ 1 root audio 116, 4 Oct 20 23:11 /dev/snd/pcmC0D0c
-crw-rw----+ 1 root audio 116, 3 Oct 20 23:10 /dev/snd/pcmC0D0p
+crw-rw----+ 1 root audio 116, 3 Oct 20 23:42 /dev/snd/pcmC0D0p
crw-rw----+ 1 root audio 116, 5 Oct 20 21:33 /dev/snd/pcmC0D3p
crw-rw----+ 1 root audio 116, 1 Oct 20 21:33 /dev/snd/seq
crw-rw----+ 1 root audio 116, 33 Oct 20 00:10 /dev/snd/timer
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