projects
/
platform
/
kernel
/
linux-stable.git
/ commitdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
| commitdiff |
tree
raw
|
patch
| inline |
side by side
(parent:
109c53f
)
[ALSA] I2C fix for ice1724
author
Pavel Hofman
<dustin@seznam.cz>
Mon, 3 Dec 2007 11:37:17 +0000
(12:37 +0100)
committer
Jaroslav Kysela
<perex@perex.cz>
Thu, 31 Jan 2008 16:29:30 +0000
(17:29 +0100)
adding i2c busy wait before sending device address to prevent reading
bogus data.
Signed-off-by: Pavel Hofman <dustin@seznam.cz>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
sound/pci/ice1712/ice1724.c
patch
|
blob
|
history
diff --git
a/sound/pci/ice1712/ice1724.c
b/sound/pci/ice1712/ice1724.c
index
357bdbe
..
b7a1d93
100644
(file)
--- a/
sound/pci/ice1712/ice1724.c
+++ b/
sound/pci/ice1712/ice1724.c
@@
-1958,6
+1958,7
@@
unsigned char snd_vt1724_read_i2c(struct snd_ice1712 *ice,
unsigned char val;
mutex_lock(&ice->i2c_mutex);
+ wait_i2c_busy(ice);
outb(addr, ICEREG1724(ice, I2C_BYTE_ADDR));
outb(dev & ~VT1724_I2C_WRITE, ICEREG1724(ice, I2C_DEV_ADDR));
wait_i2c_busy(ice);