Nice. Thank you!
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https://bugs.launchpad.net/bugs/1313904
Title:
[W230SS, VIA VT1802, Green Headphone Out, Front] No sound after
suspend/resume
Status
After cmall research I figgured out what was wrong: my grub was install
from another linux system and regenerating ubuntu's config does nothing.
After running grub-install it finally works. Big thanks to you!
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Touch seeded pa
Oops, missed kernel parameter. The deb package didn't adds it on 14.04. After
adding it by hands it works! Wow, cool.
One more thing: I think this script should run also at boot.
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Interesting thing. Tested on 14.04.02 (added "print(i2c_bus_name)" line
for debug):
$ uname -a
Linux mik-laptop-origin 3.16.0-31-generic #43~14.04.1-Ubuntu SMP Tue Mar 10
20:13:38 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
$ sudo init-headphone
[sudo] password for mik:
i915 gmbus ssc
i915 gmbus v
Disabled independent HP by commenting the line in patch_via.c:
//spec->gen.indep_hp = 1;
Headphones does not works after resume.
alsa-info before suspend:
http://www.alsa-project.org/db/?f=c7f2d491818afda332e303228f893447e71f37e8
alsa-info after resume:
http://www.alsa-project.org/db/?f=75c3f86d
Done:
int snd_hda_get_sub_nodes(struct hda_codec *codec, hda_nid_t nid,
hda_nid_t *start_id)
{
unsigned int parm;
parm = snd_hda_param_read(codec, nid, AC_PAR_NODE_COUNT);
if (parm == -1)
return 0;
*start_id = (parm >> 16) &
for (i = 0; i < codec->num_nodes; i++, nid++) {
codec->wcaps[i] = snd_hda_param_read(codec, nid,
AC_PAR_AUDIO_WIDGET_CAP);
printk("MIK: nid = %d, wcaps = %d\n", nid, codec->wcaps[i]);
}
Result:
[7.491
http://www.alsa-
project.org/db/?f=8bf5e7e3e08ab40609f2508ce1875fabbe475ee5
No, I see only connection to 0x3e, but there are no nodes 0x3d, 0x3e
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https://b
@Raymond
Checked this. reverted ef4da45828603df57e5e21b8aa21a66ce309f79b and changed
read_widget_caps to:
static int read_widget_caps(struct hda_codec *codec, hda_nid_t fg_node)
{
int i;
hda_nid_t nid;
codec->num_nodes = snd_hda_get_sub_nodes(codec, fg_node,
Done.
** Description changed:
- When I boot Windows and then reboot into Ubuntu the sound is ok.
- But when I am booting after turning laptop on there are no sound in headphone
jack. Mic jack works fine.
- Also heaphone stop working after putting laptop to sleep.
+ No sound in headphones jack af
Hi Urund,
You are correct, after more investigation I came to same conclusion. It is
described at kernel.org: https://bugzilla.kernel.org/show_bug.cgi?id=75151
I have posted alsa logs there.
And about InitHeadphone: this is cool, solution for windows is found, and maybe
someone could make resear
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