openwrtv4/target/linux/brcm2708/patches-4.4/0126-bcm2835-extend-allowed-range-of-channels-and-sampler.patch
Álvaro Fernández Rojas 2b1c6b21b5 brcm2708: update linux 4.4 patches to latest version
As usual these patches were extracted and rebased from the raspberry pi repo:
https://github.com/raspberrypi/linux/tree/rpi-4.4.y

Also adds support for Raspberry Pi Compute Module 3 (untested).

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2016-09-10 14:54:26 +02:00

36 lines
1.2 KiB
Diff

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,