diff --git a/sound/atmel/ac97c.c b/sound/atmel/ac97c.c
index 4e8f66d40812..c9bc3458fa2d 100644
--- a/sound/atmel/ac97c.c
+++ b/sound/atmel/ac97c.c
@@ -151,10 +151,10 @@ static struct snd_pcm_hardware atmel_ac97c_hw = {
 	.rate_max		= 48000,
 	.channels_min		= 1,
 	.channels_max		= 2,
-	.buffer_bytes_max	= 64 * 4096,
+	.buffer_bytes_max	= 2 * 2 * 64 * 2048,
 	.period_bytes_min	= 4096,
 	.period_bytes_max	= 4096,
-	.periods_min		= 4,
+	.periods_min		= 6,
 	.periods_max		= 64,
 };