[alsa-devel] LSI HDA Modem is not working on HP new Laptop which has IDT 7605 HDA codec and REDHAT installed on it with ALSA ver 1.0.24.

Takashi Iwai tiwai at suse.de
Thu Oct 6 10:15:43 CEST 2011


At Mon, 3 Oct 2011 09:35:59 +0800,
Raymond Yau wrote:
> 
> 2011/10/1 Takashi Iwai <tiwai at suse.de>:
> >> >
> >> >> 2. Why Analog devices codec (patch_analog.c) clear
> >> >> AC_VERB_SET_CHANNEL_STREAMID on close? (if (do_now)
> >> >>    really_cleanup_stream(codec, p);
> >> >
> >> > It's because AD codecs (according to bug reports) don't like the
> >> > sticky-tag feature by some reason.  It'll be removed, once when the
> >> > real culprit is found.
> >> >
> >> >
> >>
> >> http://thread.gmane.org/gmane.linux.alsa.devel/78379
> >>
> >> Can the converters can retrain the stream tag after suspend/resume ?
> >
> > No.  The flag is cleared in the suspend.
> >
> 
> The main difference is only AD codecs have Power widget but driver
> does not has init verbs for this [Power widget]

Yeah, but this has nothing to do with the sticky assignment.
Actually the widget isn't touched, so it means all widgets are fully
powered up or all powered down at suspend.


Takashi


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