Openmoko Bug #2478: linux 2.6.39: alsa state not correctly restored in resume

[Openmoko Public Trac]

#2478: linux 2.6.39: alsa state not correctly restored in resume
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 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                                 
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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
 }}

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Ticket URL: <https://docs.openmoko.org/trac/ticket/2478#comment:6>
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