Hi,
At Wed, 07 Apr 2004 16:35:11 +1000,
Benjamin Herrenschmidt wrote:
>
> On Wed, 2004-04-07 at 16:25, Ian McKellar wrote:
> > So,
> >
> > I have an iBook 800Mhz and since I've moved to alsa and linux 2.6 I've
> > had issues with sound oopsing in sleep, kind of like this:
>
> Is sound working at all ? I suspect you didn't have the i2c-keywest
> module insmod'ed. There is indeed a problem in all our i2c based
> sound drivers where we don't always check that the i2c client was
> instanciated before doing some things...
>
> Takashi, how is this patch ?
yes, the patch is fine, but i guess it won't fix Ian's mixer problem
after resume. the real problem is that i2c.client is reset to NULL in
sleep_notify callback.
i just took a quick look at dmasound code again, but the code path
looks almost same, i.e.
sleep_notify_callback(PBOOK_WAKE)
-> leave_sleep callback
-> resume mixer values
maybe dmasound resumes the mixer setting in somewhere else, too?
Takashi
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