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1c583063a5
linux/sound/pci
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Clemens Ladisch 1c583063a5 ALSA: cmipci: work around invalid PCM pointer 
When the CMI8738 FRAME2 register is read, the chip sometimes (probably
when wrapping around) returns an invalid value that would be outside the
programmed DMA buffer. This leads to an inconsistent PCM pointer that is
likely to result in an underrun.

To work around this, read the register multiple times until we get a
valid value; the error state seems to be very short-lived.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Reported-and-tested-by: Matija Nalis <mnalis-alsadev@voyager.hr>
Cc: <stable@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2010-03-24 08:02:11 +01:00
..
ac97 Merge branch 'fixes' into devel 2010-02-16 11:19:18 +01:00
ali5451 sound: use DEFINE_PCI_DEVICE_TABLE 2010-02-09 11:08:33 +01:00
au88x0 sound: use DEFINE_PCI_DEVICE_TABLE 2010-02-09 11:08:33 +01:00
aw2 sound: use DEFINE_PCI_DEVICE_TABLE 2010-02-09 11:08:33 +01:00
ca0106 sound: use DEFINE_PCI_DEVICE_TABLE 2010-02-09 11:08:33 +01:00
cs46xx ALSA: cs46xx - fix some typos 2010-02-18 08:12:30 +01:00
cs5535audio sound: use DEFINE_PCI_DEVICE_TABLE 2010-02-09 11:08:33 +01:00
ctxfi Merge branch 'topic/misc' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6 into devel 2010-02-16 11:25:03 +01:00
echoaudio Merge branch 'fix/misc' into topic/misc 2010-02-17 14:24:46 +01:00
emu10k1 sound: use DEFINE_PCI_DEVICE_TABLE 2010-02-09 11:08:33 +01:00
hda Merge branch 'fix/hda' into for-linus 2010-03-17 09:01:38 +01:00
ice1712 Merge branch 'topic/misc' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6 into devel 2010-02-16 11:25:03 +01:00
korg1212 sound: use DEFINE_PCI_DEVICE_TABLE 2010-02-09 11:08:33 +01:00
lx6464es sound: use DEFINE_PCI_DEVICE_TABLE 2010-02-09 11:08:33 +01:00
mixart sound: use DEFINE_PCI_DEVICE_TABLE 2010-02-09 11:08:33 +01:00
nm256 sound: use DEFINE_PCI_DEVICE_TABLE 2010-02-09 11:08:33 +01:00
oxygen ALSA: oxygen: change || to && 2010-03-03 22:39:31 +01:00
pcxhr sound: use DEFINE_PCI_DEVICE_TABLE 2010-02-09 11:08:33 +01:00
riptide ALSA: riptide: clean up while loop 2010-03-03 22:41:42 +01:00
rme9652 Merge branch 'for-next' into for-linus 2010-03-08 16:55:37 +01:00
trident sound: use DEFINE_PCI_DEVICE_TABLE 2010-02-09 11:08:33 +01:00
vx222 sound: use DEFINE_PCI_DEVICE_TABLE 2010-02-09 11:08:33 +01:00
ymfpci sound: use DEFINE_PCI_DEVICE_TABLE 2010-02-09 11:08:33 +01:00
ad1889.c sound: use DEFINE_PCI_DEVICE_TABLE 2010-02-09 11:08:33 +01:00
ad1889.h
ak4531_codec.c ALSA: Fix missing KERN_* prefix to printk in sound/pci 2009-02-05 16:11:31 +01:00
als300.c sound: use DEFINE_PCI_DEVICE_TABLE 2010-02-09 11:08:33 +01:00
als4000.c sound: use DEFINE_PCI_DEVICE_TABLE 2010-02-09 11:08:33 +01:00
atiixp_modem.c sound: use DEFINE_PCI_DEVICE_TABLE 2010-02-09 11:08:33 +01:00
atiixp.c Merge branch 'fix/misc' into topic/misc 2010-02-17 14:24:46 +01:00
azt3328.c sound: use DEFINE_PCI_DEVICE_TABLE 2010-02-09 11:08:33 +01:00
azt3328.h ALSA: azt3328: fix previous breakage, improve suspend, cleanups 2009-07-15 12:03:26 +02:00
bt87x.c sound: use DEFINE_PCI_DEVICE_TABLE 2010-02-09 11:08:33 +01:00
cmipci.c ALSA: cmipci: work around invalid PCM pointer 2010-03-24 08:02:11 +01:00
cs4281.c sound: use DEFINE_PCI_DEVICE_TABLE 2010-02-09 11:08:33 +01:00
cs5530.c sound: use DEFINE_PCI_DEVICE_TABLE 2010-02-09 11:08:33 +01:00
ens1370.c sound: use DEFINE_PCI_DEVICE_TABLE 2010-02-09 11:08:33 +01:00
ens1371.c
es1938.c sound: use DEFINE_PCI_DEVICE_TABLE 2010-02-09 11:08:33 +01:00
es1968.c sound: use DEFINE_PCI_DEVICE_TABLE 2010-02-09 11:08:33 +01:00
fm801.c sound: use DEFINE_PCI_DEVICE_TABLE 2010-02-09 11:08:33 +01:00
intel8x0.c sound: use DEFINE_PCI_DEVICE_TABLE 2010-02-09 11:08:33 +01:00
intel8x0m.c sound: use DEFINE_PCI_DEVICE_TABLE 2010-02-09 11:08:33 +01:00
Kconfig sound: virtuoso: add Xonar DS support 2010-01-18 16:38:41 +01:00
maestro3.c sound: use DEFINE_PCI_DEVICE_TABLE 2010-02-09 11:08:33 +01:00
Makefile Merge branch 'topic/lx6464es' into for-linus 2009-06-10 07:26:34 +02:00
rme32.c sound: use DEFINE_PCI_DEVICE_TABLE 2010-02-09 11:08:33 +01:00
rme96.c sound: use DEFINE_PCI_DEVICE_TABLE 2010-02-09 11:08:33 +01:00
sis7019.c sound: use DEFINE_PCI_DEVICE_TABLE 2010-02-09 11:08:33 +01:00
sis7019.h trivial: fix typos s/paramter/parameter/ and s/excute/execute/ in documentation and source comments. 2009-06-12 18:01:46 +02:00
sonicvibes.c sound: use DEFINE_PCI_DEVICE_TABLE 2010-02-09 11:08:33 +01:00
via82xx_modem.c sound: use DEFINE_PCI_DEVICE_TABLE 2010-02-09 11:08:33 +01:00
via82xx.c Merge branch 'topic/misc' into for-linus 2010-03-01 12:38:49 +01:00