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DateFri, 06 Nov 2009 14:15:14 -0800
FromGreg KH <>
Subject[76/99] ALSA: ice1724 - Make call to set hw params succeed on ESI Juli@
2.6.31-stable review patch.  If anyone has any objections, please let us know.

------------------
From: David Henningsson <launchpad.web@epost.diwic.se>
commit bd3c200e6d5495343c91db66d2acf1853b57a141 upstream.

If two streams are started immediately after one another (such as a
playback and a recording stream), the call to set hw params fails with
EBUSY. This patch makes the call succeed, so playback and recording will
work properly.

Signed-off-by: David Henningsson <launchpad.web@epost.diwic.se>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

---
sound/pci/ice1712/ice1724.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/sound/pci/ice1712/ice1724.c
+++ b/sound/pci/ice1712/ice1724.c
@@ -643,7 +643,7 @@ static int snd_vt1724_set_pro_rate(struc
(inb(ICEMT1724(ice, DMA_PAUSE)) & DMA_PAUSES)) {
/* running? we cannot change the rate now... */
spin_unlock_irqrestore(&ice->reg_lock, flags);
- return -EBUSY;
+ return ((rate == ice->cur_rate) && !force) ? 0 : -EBUSY;
}
if (!force && is_pro_rate_locked(ice)) {
spin_unlock_irqrestore(&ice->reg_lock, flags);



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