1 files changed, 46 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0539-bcm2835-pcm.c-Support-multichannel-audio.patch b/target/linux/brcm2708/patches-4.19/950-0539-bcm2835-pcm.c-Support-multichannel-audio.patch
new file mode 100644
index 0000000000..bdd56b97c0
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.19/950-0539-bcm2835-pcm.c-Support-multichannel-audio.patch
@@ -0,0 +1,46 @@
+From b412ca2409131916179c0365c1fb05e4e95f2aa4 Mon Sep 17 00:00:00 2001
+From: popcornmix <popcornmix@gmail.com>
+Date: Tue, 30 Apr 2019 19:15:30 +0100
+Subject: [PATCH 539/782] bcm2835-pcm.c: Support multichannel audio
+
+---
+ .../vc04_services/bcm2835-audio/bcm2835-pcm.c   | 17 +++++++++--------
+ 1 file changed, 9 insertions(+), 8 deletions(-)
+
+--- a/drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c
++++ b/drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c
+@@ -14,9 +14,9 @@ static const struct snd_pcm_hardware snd
+ 		 SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID |
+ 		 SNDRV_PCM_INFO_DRAIN_TRIGGER | SNDRV_PCM_INFO_SYNC_APPLPTR),
+ 	.formats = SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE,
+-	.rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000,
++	.rates = SNDRV_PCM_RATE_CONTINUOUS |  SNDRV_PCM_RATE_8000_192000,
+ 	.rate_min = 8000,
+-	.rate_max = 48000,
++	.rate_max = 192000,
+ 	.channels_min = 1,
+ 	.channels_max = 2,
+ 	.buffer_bytes_max = 128 * 1024,
+@@ -31,15 +31,16 @@ static const struct snd_pcm_hardware snd
+ 		 SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID |
+ 		 SNDRV_PCM_INFO_DRAIN_TRIGGER | SNDRV_PCM_INFO_SYNC_APPLPTR),
+ 	.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,
+ };