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Today's Topics:
1. Re: Openmoko Bug #2478: linux 2.6.39: alsa state not
correctly restored in resume (Openmoko Public Trac)
2. Re: Openmoko Bug #2478: linux 2.6.39: alsa state not
correctly restored in resume (Openmoko Public Trac)
3. Re: Openmoko Bug #2478: linux 2.6.39: alsa state not
correctly restored in resume (Openmoko Public Trac)
--- Begin Message ---
#2478: linux 2.6.39: alsa state not correctly restored in resume
---------------------+------------------------------------------------------
Reporter: lindi | Owner: openmoko-kernel
Type: defect | Status: new
Priority: high | Milestone:
Component: kernel | Version:
Severity: blocker | Keywords: kernel alsa suspend resume linux 2.6.39
Haspatch: 0 | Blockedby:
Estimated: | Patchreview:
Blocking: | Reproducible: always
---------------------+------------------------------------------------------
Comment(by lindi):
Interestingly if I load the "headset.state" then bias is 1 (STANDBY) and
suspend and resume hooks do get called.
--
Ticket URL: <https://docs.openmoko.org/trac/ticket/2478#comment:5>
docs.openmoko.org <http://docs.openmoko.org/trac/>
openmoko trac
--- End Message ---
--- Begin Message ---
#2478: linux 2.6.39: alsa state not correctly restored in resume
---------------------+------------------------------------------------------
Reporter: lindi | Owner: openmoko-kernel
Type: defect | Status: new
Priority: high | Milestone:
Component: kernel | Version:
Severity: blocker | Keywords: kernel alsa suspend resume linux 2.6.39
Haspatch: 0 | Blockedby:
Estimated: | Patchreview:
Blocking: | Reproducible: always
---------------------+------------------------------------------------------
Comment(by lindi):
It seems to be
{{{
amixer -qc0 cset numid=93,name='Left Mixer Bypass Playback Switch' on
}}}
that is enough to cause bias to rise:
{{{
wm8753_set_bias_level codec=0xc79770a0 level=0x2
wm8753_set_bias_level codec=0xc79770a0 level=0x3
}}
--
Ticket URL: <https://docs.openmoko.org/trac/ticket/2478#comment:6>
docs.openmoko.org <http://docs.openmoko.org/trac/>
openmoko trac
--- End Message ---
--- Begin Message ---
#2478: linux 2.6.39: alsa state not correctly restored in resume
---------------------+------------------------------------------------------
Reporter: lindi | Owner: openmoko-kernel
Type: defect | Status: new
Priority: high | Milestone:
Component: kernel | Version:
Severity: blocker | Keywords: kernel alsa suspend resume linux 2.6.39
Haspatch: 0 | Blockedby:
Estimated: | Patchreview:
Blocking: | Reproducible: always
---------------------+------------------------------------------------------
Comment(by lindi):
Seems these calls to wm8753_set_bias_level come from
{{{
[ 3191.245000] [<bf17e7d8>] (wm8753_set_bias_level+0x0/0xb4
[snd_soc_wm8753]) from [<bf155424>] (dapm_pre_sequence_async+0x34/0xb4
[snd_soc_core])
[ 3191.245000] [<bf155424>] (dapm_pre_sequence_async+0x34/0xb4
[snd_soc_core]) from [<c005a1c0>] (async_run_entry_fn+0x7c/0x1b8)
[ 3191.245000] [<c005a1c0>] (async_run_entry_fn+0x7c/0x1b8) from
[<c004ff68>] (process_one_work+0x11c/0x3d8)
[ 3191.245000] [<c004ff68>] (process_one_work+0x11c/0x3d8) from
[<c00505b8>] (worker_thread+0x13c/0x478)
[ 3191.245000] [<c00505b8>] (worker_thread+0x13c/0x478) from [<c0054138>]
(kthread+0x88/0x90)
}}}
and
{{{
[ 3191.260000] [<bf17e7d8>] (wm8753_set_bias_level+0x0/0xb4
[snd_soc_wm8753]) from [<bf155358>] (dapm_post_sequence_async+0x3c/0xd4
[snd_soc_core])
[ 3191.260000] [<bf155358>] (dapm_post_sequence_async+0x3c/0xd4
[snd_soc_core]) from [<c005a1c0>] (async_run_entry_fn+0x7c/0x1b8)
[ 3191.260000] [<c005a1c0>] (async_run_entry_fn+0x7c/0x1b8) from
[<c004ff68>] (process_one_work+0x11c/0x3d8)
[ 3191.260000] [<c004ff68>] (process_one_work+0x11c/0x3d8) from
[<c00505b8>] (worker_thread+0x13c/0x478)
[ 3191.260000] [<c00505b8>] (worker_thread+0x13c/0x478) from [<c0054138>]
(kthread+0x88/0x90)
}}}
respectively.
--
Ticket URL: <https://docs.openmoko.org/trac/ticket/2478#comment:7>
docs.openmoko.org <http://docs.openmoko.org/trac/>
openmoko trac
--- End Message ---
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