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| author | Takashi Iwai <tiwai@suse.de> | 2012-09-20 09:44:11 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-10-02 21:29:53 +0400 |
| commit | 4386363312d70a764a376f1635467bab8e26965a (patch) | |
| tree | b360c64e05b9eac54eb2c3690296ef7a114f19b0 /Documentation | |
| parent | 23b5a5da4f07b887adce9b42daa7aa14a72a5427 (diff) | |
| download | linux-4386363312d70a764a376f1635467bab8e26965a.tar.xz | |
ALSA: hda - Workaround for silent output on VAIO Z with ALC889
commit e427c2375646789ecd0ccaef1a1e41458559ab2d upstream.
On recent kernels, Realtek codec parser tries to optimize the routing
aggressively and take the headphone output as primary at first. This
caused a regression on VAIO Z with ALC889, the silent output from the
speaker.
The problem seems that the speaker pin must be connected to the first
DAC (0x02) on this machine by some reason although the codec itself
advertises the flexible routing with any DACs.
This patch adds a fix-up for choosing the speaker pin as the primary
so that the right DAC is assigned on this device.
Reported-and-tested-by: Adam Williamson <awilliam@redhat.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/sound/alsa/HD-Audio-Models.txt | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/Documentation/sound/alsa/HD-Audio-Models.txt b/Documentation/sound/alsa/HD-Audio-Models.txt index 286ec04d1383..82dd174396d1 100644 --- a/Documentation/sound/alsa/HD-Audio-Models.txt +++ b/Documentation/sound/alsa/HD-Audio-Models.txt @@ -47,6 +47,7 @@ ALC882/883/885/888/889 acer-aspire-4930g Acer Aspire 4930G/5930G/6530G/6930G/7730G acer-aspire-8930g Acer Aspire 8330G/6935G acer-aspire Acer Aspire others + no-primary-hp VAIO Z workaround (for fixed speaker DAC) ALC861/660 ========== |