From: David Henningsson <launchpad.web@epost.diwic.se>
Date: Sun, 11 Oct 2009 09:37:22 +0000 (+0200)
Subject: ALSA: ice1724 - Make call to set hw params succeed on ESI Juli@
X-Git-Tag: v3.0~7044^2~15
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=bd3c200e6d5495343c91db66d2acf1853b57a141;p=platform%2Fkernel%2Flinux-amlogic.git

ALSA: ice1724 - Make call to set hw params succeed on ESI Juli@

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>
---

diff --git a/sound/pci/ice1712/ice1724.c b/sound/pci/ice1712/ice1724.c
index 76b717d..10fc92c 100644
--- a/sound/pci/ice1712/ice1724.c
+++ b/sound/pci/ice1712/ice1724.c
@@ -648,7 +648,7 @@ 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);