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authorDaniel T Chen <crimsun@ubuntu.com>2010-05-27 18:32:18 -0400
committerTakashi Iwai <tiwai@suse.de>2010-05-28 07:51:17 +0200
commite96d3127760a2fc509bca6bf7e61e8bc61497aeb (patch)
treec28e3c0852c95194b16b41cde061134d44e5a1a4 /sound/soc
parenta39e33eb2a9d6afa79021ba1de2aa7d1039f4e53 (diff)
ALSA: hda: Use LPIB for Sony VPCS11V9E
BugLink: https://launchpad.net/bugs/586347 Symptom: On the Sony VPCS11V9E, using GStreamer-based applications with PulseAudio in Ubuntu 10.04 LTS results in stuttering audio. It appears to worsen with increased I/O. Test case: use Rhythmbox under increased I/O pressure. This symptom is reproducible in the current daily stable alsa-driver snapshots (at least up until 21 May 2010; later snapshots fail to build from source due to missing preprocessor directives when compiled against 2.6.32). Resolution: add SSID for this machine to the position_fix quirk table, explicitly specifying the LPIB method. Reported-and-Tested-By: Lauri Kainulainen <lauri@sokkelo.net> Cc: <stable@kernel.org> Signed-off-by: Daniel T Chen <crimsun@ubuntu.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
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