ALSA: hda - Fix silent speaker output due to mute LED fixup

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commit 415d555e6b upstream.

The recent fixups for HP laptops to support the mute LED made the
speaker output silent on some machines.  It turned out that they use
the NID 0x18 for the speaker while it's also used for controlling the
LED via VREF bits although the current driver code blindly assumes
that such a node is a mic pin (where 0x18 is usually so).

This patch fixes the problem by only changing the VREF bits and
keeping the other pin ctl bits.

Reported-and-tested-by: Hui Wang <hui.wang@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Takashi Iwai 2014-04-03 11:51:21 +02:00 • committed by Greg Kroah-Hartman

parent 20bb89b0cc

commit 395caeae8b

1 changed files with 3 additions and 2 deletions

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sound/pci/hda/patch_realtek.c

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