openwrt/target/linux/bcm27xx/patches-5.15/950-0405-bcm2835-pcm.c-Support-multichannel-audio.patch
Álvaro Fernández Rojas 20ea6adbf1 bcm27xx: add support for linux v5.15
Build system: x86_64
Build-tested: bcm2708, bcm2709, bcm2710, bcm2711
Run-tested: bcm2708/RPiB+, bcm2709/RPi3B, bcm2710/RPi3B, bcm2711/RPi4B

Signed-off-by: Marty Jones <mj8263788@gmail.com>
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2022-05-17 15:11:22 +02:00

35 lines
1.2 KiB
Diff

From dfd5bc84858c99405a797cb5998fc48ed7d0611d Mon Sep 17 00:00:00 2001
From: popcornmix <popcornmix@gmail.com>
Date: Tue, 30 Apr 2019 19:15:30 +0100
Subject: [PATCH] bcm2835-pcm.c: Support multichannel audio
---
.../vc04_services/bcm2835-audio/bcm2835-pcm.c | 13 +++++++------
1 file changed, 7 insertions(+), 6 deletions(-)
--- a/drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c
+++ b/drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c
@@ -31,15 +31,16 @@ static const struct snd_pcm_hardware snd
SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID |
SNDRV_PCM_INFO_SYNC_APPLPTR | SNDRV_PCM_INFO_BATCH),
.formats = SNDRV_PCM_FMTBIT_S16_LE,
- .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_44100 |
- SNDRV_PCM_RATE_48000,
+ .rates = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |
+ SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 |
+ SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000,
.rate_min = 44100,
- .rate_max = 48000,
+ .rate_max = 192000,
.channels_min = 2,
- .channels_max = 2,
- .buffer_bytes_max = 128 * 1024,
+ .channels_max = 8,
+ .buffer_bytes_max = 512 * 1024,
.period_bytes_min = 1 * 1024,
- .period_bytes_max = 128 * 1024,
+ .period_bytes_max = 512 * 1024,
.periods_min = 1,
.periods_max = 128,
};