At Mon, 19 Nov 2012 15:14:45 +0100, David Henningsson wrote: > > On 11/07/2012 09:36 AM, Takashi Iwai wrote: > > At Wed, 7 Nov 2012 09:22:33 +0100, > > David Henningsson wrote: > >> > >> On some of the PantherPoint HDMI machines we currently enable, we're seeing > >> trouble with unsol events, i e detecting monitor presence, especially when > >> on battery and after suspend/resume. > >> > >> BugLink: https://bugs.launchpad.net/bugs/1075882 > >> Tested-by: Cyrus Lien <[email protected]> > >> Signed-off-by: David Henningsson <[email protected]> > >> --- > >> sound/pci/hda/patch_hdmi.c | 8 ++++++-- > >> 1 file changed, 6 insertions(+), 2 deletions(-) > >> > >> So far this is the workaround we have found to be working. Sometimes, it > >> also > >> seems that "cat /proc/asound/cardx/codec#x" can also make the HDMI unsol > >> event > >> trigger, so that the problem fixes itself. > >> > >> We have not run any battery life tests to see if this causes more power > >> consumption. > > > > Looks safe at least, so I applied to for-next branch to give more > > testing. If you find a better solution, let me know. > > Jesse has now done a battery life test, both for idle machine and S3 > machine, and both with HDMI connected and HDMI unconnected. > > All differences in power consumption were within error margins. Given > that, should we consider sending this patch to stable?
Well, once when it hits to Linus tree. It's in for-next branch, and I don't want to rebase the branch. So, wait for the next merge window, which will happen likely in a couple of weeks. thanks, Takashi -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1075882 Title: PantherPoint HDMI - jack detection broken after suspend To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1075882/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
