openwrtv3/target/linux/brcm2708/patches-4.4/0126-bcm2835-extend-allowed-range-of-channels-and-sampler.patch

From 0b6eb4c6015ead6da180ef4a4da695b660bcb99f Mon Sep 17 00:00:00 2001
From: wm4 <wm4@nowhere>
Date: Wed, 13 Jan 2016 19:41:45 +0100
Subject: [PATCH] bcm2835: extend allowed range of channels and samplerates

Allow everything the videocore accepts.
---
 sound/arm/bcm2835-pcm.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

--- a/sound/arm/bcm2835-pcm.c
+++ b/sound/arm/bcm2835-pcm.c
@@ -26,9 +26,9 @@ static struct snd_pcm_hardware snd_bcm28
 	.formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
 	.rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
 	.rate_min = 8000,
-	.rate_max = 48000,
+	.rate_max = 192000,
 	.channels_min = 1,
-	.channels_max = 2,
+	.channels_max = 8,
 	.buffer_bytes_max = 128 * 1024,
 	.period_bytes_min =   1 * 1024,
 	.period_bytes_max = 128 * 1024,
@@ -43,9 +43,9 @@ static struct snd_pcm_hardware snd_bcm28
 	.rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_44100 |
 		SNDRV_PCM_RATE_48000,
 	.rate_min = 44100,
-	.rate_max = 48000,
+	.rate_max = 192000,
 	.channels_min = 2,
-	.channels_max = 2,
+	.channels_max = 8,
 	.buffer_bytes_max = 128 * 1024,
 	.period_bytes_min =   1 * 1024,
 	.period_bytes_max = 128 * 1024,