Re: ICE1712 - no sound after suspend

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What a pity. I may try do this myself. I don't have experience with 
drivers but I have programming skills in other areas.
Can anyone tell me where is the start point for involving in such thing, 
what do I need and where do I get it from?

Thanks
AMP

On 02/03/2014 01:28 PM, Takashi Iwai wrote:
> At Sun, 02 Feb 2014 23:42:36 +0200,
> .::AMP::. wrote:
>>    I can do this after initial boot
>>
>> ####
>>
>> linux-fefb:/tmp # rmmod snd_ice1712
>> ERROR: Module snd_ice1712 is in use
>> linux-fefb:/tmp # ls -alh /dev/snd/
>> total 0
>> drwxr-xr-x   3 root root      180 Jan 31 11:15 .
>> drwxr-xr-x  19 root root     4.1K Jan 31 11:15 ..
>> drwxr-xr-x   2 root root       60 Jan 31 11:15 by-path
>> crw-rw----+  1 root audio 116,  5 Jan 31 11:15 controlC0
>> crw-rw----+  1 root audio 116,  2 Jan 31 11:15 midiC0D0
>> crw-rw----+  1 root audio 116,  4 Jan 31 11:15 pcmC0D0c
>> crw-rw----+  1 root audio 116,  3 Jan 31 11:58 pcmC0D0p
>> crw-rw----+  1 root audio 116,  1 Jan 31 11:15 seq
>> crw-rw----+  1 root audio 116, 33 Jan 31 11:15 timer
>> linux-fefb:/tmp # rmmod -f snd_ice1712
>> linux-fefb:/tmp # ls -alh /dev/snd/
>> total 0
>> drwxr-xr-x   2 root root       80 Jan 31 12:38 .
>> drwxr-xr-x  19 root root     4.1K Jan 31 12:38 ..
>> crw-rw----+  1 root audio 116,  1 Jan 31 11:15 seq
>> crw-rw----+  1 root audio 116, 33 Jan 31 11:15 timer
>> linux-fefb:/tmp # modprobe -fv snd_ice1712
>> insmod
>> /lib/modules/3.11.6-4-desktop/kernel/sound/pci/ice1712/snd-ice1712.ko
>> dxr_enable=0
>> linux-fefb:/tmp # ls -alh /dev/snd/
>> total 0
>> drwxr-xr-x   3 root root      180 Jan 31 12:38 .
>> drwxr-xr-x  19 root root     4.1K Jan 31 12:38 ..
>> drwxr-xr-x   2 root root       60 Jan 31 12:38 by-path
>> crw-rw----+  1 root audio 116,  5 Jan 31 12:38 controlC0
>> crw-rw----+  1 root audio 116,  2 Jan 31 12:38 midiC0D0
>> crw-rw----+  1 root audio 116,  4 Jan 31 12:38 pcmC0D0c
>> crw-rw----+  1 root audio 116,  3 Jan 31 12:38 pcmC0D0p
>> crw-rw----+  1 root audio 116,  1 Jan 31 11:15 seq
>> crw-rw----+  1 root audio 116, 33 Jan 31 11:15 timer
>>
>> ####
>>
>> everything works and I got sound.
>>
>> DOING SUSPEND... SUSPENDED.
>>
>> WAKEUP
>> No sound now, my player (Audacious) tries to play something then stops,
>> no warnings or errors.
>> Now doing the same as after startup
>>
>> ####
>>
>> linux-fefb:/tmp # rmmod snd_ice1712
>> ERROR: Module snd_ice1712 is in use
>> linux-fefb:/tmp # ls -alh /dev/snd/
>> total 0
>> drwxr-xr-x   3 root root      180 Jan 31 12:38 .
>> drwxr-xr-x  19 root root     4.1K Jan 31 12:41 ..
>> drwxr-xr-x   2 root root       60 Jan 31 12:38 by-path
>> crw-rw----+  1 root audio 116,  5 Jan 31 12:38 controlC0
>> crw-rw----+  1 root audio 116,  2 Jan 31 12:38 midiC0D0
>> crw-rw----+  1 root audio 116,  4 Jan 31 12:38 pcmC0D0c
>> crw-rw----+  1 root audio 116,  3 Jan 31 12:39 pcmC0D0p
>> crw-rw----+  1 root audio 116,  1 Jan 31 11:15 seq
>> crw-rw----+  1 root audio 116, 33 Jan 31 11:15 timer
>> linux-fefb:/tmp # rmmod -f snd_ice1712
>> linux-fefb:/tmp # ls -alh /dev/snd/
>> total 0
>> drwxr-xr-x   2 root root       80 Jan 31 12:45 .
>> drwxr-xr-x  19 root root     4.1K Jan 31 12:45 ..
>> crw-rw----+  1 root audio 116,  1 Jan 31 11:15 seq
>> crw-rw----+  1 root audio 116, 33 Jan 31 11:15 timer
>> linux-fefb:/tmp # modprobe -fv snd_ice1712
>> insmod
>> /lib/modules/3.11.6-4-desktop/kernel/sound/pci/ice1712/snd-ice1712.ko
>> dxr_enable=0
>> linux-fefb:/tmp # ls -alh /dev/snd/
>> total 0
>> drwxr-xr-x   2 root root       80 Jan 31 12:45 .
>> drwxr-xr-x  19 root root     4.1K Jan 31 12:45 ..
>> crw-rw----+  1 root audio 116,  1 Jan 31 11:15 seq
>> crw-rw----+  1 root audio 116, 33 Jan 31 11:15 timer
>>
>> ####
>>
>> No device nodes are created but why, this is the same thing I do as
>> before doing a regular suspend?
>> I can't pass this step for some reason.
>>
>> Takashi:
>> "The suspend/resume is simply not supported for ice1712 devices yet.
>> It's a looongtime TODO."
>>
>> Why not, what is the difference between the boot process ALSA init and
>> the manual module insert (modprobe/insmod) or daemon reload.
>> What I am trying to do is basically write a small script that does the
>> same thing that is happening during boot time and I can't find my way of
>> doing this.
> The proper suspend/resume needs to re-setup the codecs and restore the
> mixer and other settings in the kernel driver.  This is the missing
> piece in ice1712 driver.
>
>
> Takashi
>
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Take advantage of what the Cloud has to offer - Avoid Common Pitfalls.
Read the Whitepaper.
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