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[ALSA] Fix 'semaphore is not ready' problem with snd-intel8x0m
author
Sasha Khapyorsky
<sashak@smlink.com>
Thu, 7 Apr 2005 18:21:21 +0000
(20:21 +0200)
committer
Jaroslav Kysela
<perex@suse.cz>
Sun, 29 May 2005 07:58:31 +0000
(09:58 +0200)
Intel8x0-modem driver
With some intel based ac97 modems codec access semaphore is not cleared
after 0x54 AC97 register (GPIO_STATUS) reads. This may causes problems
with newly applied modem mixer (Off-hook switch) and in other cases.
Signed-off-by: Sasha Khapyorsky <sashak@smlink.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
sound/pci/intel8x0m.c
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diff --git
a/sound/pci/intel8x0m.c
b/sound/pci/intel8x0m.c
index
67da096
..
f9972b2
100644
(file)
--- a/
sound/pci/intel8x0m.c
+++ b/
sound/pci/intel8x0m.c
@@
-500,6
+500,8
@@
static unsigned short snd_intel8x0_codec_read(ac97_t *ac97,
res = 0xffff;
}
}
+ if (reg == AC97_GPIO_STATUS)
+ iagetword(chip, 0); /* clear semaphore */
return res;
}