[alsa-devel] [PATCH 8/31] HDA patch_via.c: Change VT1708S & VT1702 hp mode controls
tiwai at suse.de
Tue Oct 6 20:03:29 CEST 2009
At Wed, 7 Oct 2009 01:42:50 +0800,
Li Bo wrote:
> On Tue, Oct 6, 2009 at 11:55 PM, Li Bo <liboat at gmail.com> wrote:
> > On Tue, Oct 6, 2009 at 1:47 PM, Takashi Iwai <tiwai at suse.de> wrote:
> >> At Tue, 6 Oct 2009 12:44:28 +0800,
> >> Li Bo wrote:
> >>> Hi, Takashi
> >>> When independent hp switches from
> >>> on -> off: hp volume/switch is deactivated
> >>> off -> hp volume switch is activated
> >>> These 2 actions are one-shot setup, so we put "need reboot" to remind user
> >>> that hp volume/switch update will only take effect after reboot.
> >> First off, you don't have to "reboot" at all :)
> > I also want to kick that "reboot" off:)
> >> And, the activation/deactivation can be done on the fly, so it's no
> >> more "one-shot" action (if implemented properly).
> >> Takashi
> > You mean just act/deact on via_independent_hp_put? I'll try and update this,
> > thank you!
> Sorry I don't know how to activate/deactivate on the fly. I toggle access'
> SNDRV_CTL_ELEM_ACCESS_INACTIVE bit in via_independent_hp_put, but
> in alsamixer it cannot reflect the change unless restart it. Please
> give some help.
You simply need to notify the control elements you changed via
Then the mixer app will update the status as well.
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