At Wed, 25 Jul 2007 18:41:50 +0000, Pavel Machek wrote: > > Hi! > > > > I noticed ALSA hda seems to only change PCI power management states > > > of the sound devices on suspend/resume. Is there a reason the device > > > cannot be automatically suspended when nobody has sound opened? > > > > I made once the automatic power-control patch for hd-audio, but it was > > possibly racy and a bit messy implementation, so I abandoned it. > > Since then, no one has worked on this issue. > > IIRC that patch saved .3W, which is quite significant -- about half of > spinning harddrive. I'd say it is worth the effort. OK, then I'll take a look again (and try reimplementing a bit better :) thanks, Takashi _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
