This one-line patch fixes bug
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/441446
and is likely to fix bug https://bugzilla.redhat.com/show_bug.cgi?id=525595
as well.
The problem for me is that if two streams are started immediately after
one another (such as a playback and a recording stream, e g pulseaudio
does that on startup), the call to hw_params fail with EBUSY. This patch
makes the call succeed, and playback and recording works.
I do not have any other ice1724 soundcard than the ESI Juli@ so I don't
know if/how this patch will affect them.
// David
diff --git a/sound/pci/ice1712/ice1724.c b/sound/pci/ice1712/ice1724.c
index cc84a83..56d1bd8 100644
--- a/sound/pci/ice1712/ice1724.c
+++ b/sound/pci/ice1712/ice1724.c
@@ -643,7 +643,7 @@ static int snd_vt1724_set_pro_rate(struct snd_ice1712 *ice, unsigned int rate,
(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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