---

yaml --- r: 74816 b: refs/heads/master c: 174eb8e h: refs/heads/master v: v3
git-mirror · Dec 11, 2007 · 59e1404 · 59e1404
1 parent 2eb0e66
commit 59e1404
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Showing 2 changed files with 11 additions and 4 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 78f3b0b672c79df9ffa55399a7d6fc4b173e9b4b
+refs/heads/master: 174eb8e8cb1ec97904ddeaae54366a03789162ef
diff --git a/trunk/drivers/media/video/saa7134/saa7134-alsa.c b/trunk/drivers/media/video/saa7134/saa7134-alsa.c
@@ -457,7 +457,7 @@ static struct snd_pcm_hardware snd_card_saa7134_capture =
 	.buffer_bytes_max =	(256*1024),
 	.period_bytes_min =	64,
 	.period_bytes_max =	(256*1024),
-	.periods_min =		2,
+	.periods_min =		4,
 	.periods_max =		1024,
 };
 
@@ -491,7 +491,7 @@ static int snd_card_saa7134_hw_params(struct snd_pcm_substream * substream,
 
 	snd_assert(period_size >= 0x100 && period_size <= 0x10000,
 		   return -EINVAL);
-	snd_assert(periods >= 2, return -EINVAL);
+	snd_assert(periods >= 4, return -EINVAL);
 	snd_assert(period_size * periods <= 1024 * 1024, return -EINVAL);
 
 	dev = saa7134->dev;
@@ -647,7 +647,14 @@ static int snd_card_saa7134_capture_open(struct snd_pcm_substream * substream)
 		saa7134_tvaudio_setmute(dev);
 	}
 
-	if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
+	err = snd_pcm_hw_constraint_integer(runtime,
+						SNDRV_PCM_HW_PARAM_PERIODS);
+	if (err < 0)
+		return err;
+
+	err = snd_pcm_hw_constraint_step(runtime, 0,
+						SNDRV_PCM_HW_PARAM_PERIODS, 2);
+	if (err < 0)
 		return err;
 
 	return 0;