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| author | Ingo Molnar <mingo@elte.hu> | 2008-01-06 21:09:53 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2008-01-06 12:35:56 -0800 |
| commit | 57a04513cb35086d54bcb2cb92e6627fc8fa0fae (patch) | |
| tree | d2089bff9abdd2327e317cdfc90834d0bedf95f8 /block | |
| parent | 3fee37c1e2579ed3d6090f690e5fd8cf7fa3bb44 (diff) | |
| download | linux-57a04513cb35086d54bcb2cb92e6627fc8fa0fae.tar.bz2 | |
hda_intel suspend latency: shorten codec read
not sleeping for every codec read/write but doing a short udelay and
a conditional reschedule has cut suspend+resume latency by about 1
second on my T60.
The patch also fixes the unexpected codec-connection errors that
happen more often in the new power-save mode:
http://lkml.org/lkml/2007/11/8/255
http://bugzilla.kernel.org/show_bug.cgi?id=9332
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Acked-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'block')
0 files changed, 0 insertions, 0 deletions