1 files changed, 10 insertions, 3 deletions

diff --git a/drivers/media/video/saa7134/saa7134-alsa.c b/drivers/media/video/saa7134/saa7134-alsa.c
index b9c5cf7dc849..ece177de72a5 100644
--- a/drivers/media/video/saa7134/saa7134-alsa.c
+++ b/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;