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| author | Takashi Iwai <tiwai@suse.de> | 2012-05-15 08:07:31 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2012-05-15 08:14:36 +0200 |
| commit | b0791dda813c179e539b0fc1ecd3f5f30f2571e2 (patch) | |
| tree | 5367c2614c4620301584a5d4eb6becc64494b618 /sound/usb/endpoint.c | |
| parent | 9ea3356d7979909d19252f7e552fb879643eaa70 (diff) | |
| download | blackbird-op-linux-b0791dda813c179e539b0fc1ecd3f5f30f2571e2.tar.gz blackbird-op-linux-b0791dda813c179e539b0fc1ecd3f5f30f2571e2.zip | |
ALSA: hda/idt - Fix power-map for speaker-pins with some HP laptops
BIOS on some HP laptops don't set the speaker-pins as fixed but expose
as jacks, and this confuses the driver as if these pins are
jack-detectable. As a result, the machine doesn't get sounds from
speakers because the driver prepares the power-map update via jack
unsol events which never come up in reality. The bug was introduced
in some time in 3.2 for enabling the power-mapping feature.
This patch fixes the problem by replacing the check of the persistent
power-map bits with a proper is_jack_detectable() call.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=43240
Cc: <stable@vger.kernel.org> [v3.2+]
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/usb/endpoint.c')
0 files changed, 0 insertions, 0 deletions
