[ALSA] Fix 'semaphore is not ready' problem with snd-intel8x0m
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>
diff --git a/sound/pci/intel8x0m.c b/sound/pci/intel8x0m.c
index 67da096..f9972b2 100644
--- a/sound/pci/intel8x0m.c
+++ b/sound/pci/intel8x0m.c
@@ -500,6 +500,8 @@
res = 0xffff;
}
}
+ if (reg == AC97_GPIO_STATUS)
+ iagetword(chip, 0); /* clear semaphore */
return res;
}