linux-kernel - [076/145] ALSA: pcm core - fix fifo

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Date:	Fri, 12 Mar 2010 16:26:49 -0800
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org, stable@...nel.org
Cc:	stable-review@...nel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	Jaroslav Kysela <perex@...ex.cz>
Subject: [076/145] ALSA: pcm core - fix fifo_size channels interval check

2.6.32-stable review patch.  If anyone has any objections, please let me know.

----------------
From: Jaroslav Kysela <perex@...ex.cz>

commit 3be522a9514f58e0596db34898a514df206cadc5 upstream.

Signed-off-by: Jaroslav Kysela <perex@...ex.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>

---
 sound/core/pcm_native.c |    8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -314,10 +314,10 @@ int snd_pcm_hw_refine(struct snd_pcm_sub
 	if (!params->info)
 		params->info = hw->info & ~SNDRV_PCM_INFO_FIFO_IN_FRAMES;
 	if (!params->fifo_size) {
-		if (snd_mask_min(&params->masks[SNDRV_PCM_HW_PARAM_FORMAT]) ==
-		    snd_mask_max(&params->masks[SNDRV_PCM_HW_PARAM_FORMAT]) &&
-                    snd_mask_min(&params->masks[SNDRV_PCM_HW_PARAM_CHANNELS]) ==
-                    snd_mask_max(&params->masks[SNDRV_PCM_HW_PARAM_CHANNELS])) {
+		m = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
+		i = hw_param_interval(params, SNDRV_PCM_HW_PARAM_CHANNELS);
+		if (snd_mask_min(m) == snd_mask_max(m) &&
+                    snd_interval_min(i) == snd_interval_max(i)) {
 			changed = substream->ops->ioctl(substream,
 					SNDRV_PCM_IOCTL1_FIFO_SIZE, params);
 			if (changed < 0)


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