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Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0310-Revert-bcm2835-add-fallback-channel-layouts-if-chann.patch')
-rw-r--r--target/linux/brcm2708/patches-4.4/0310-Revert-bcm2835-add-fallback-channel-layouts-if-chann.patch31
1 files changed, 31 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0310-Revert-bcm2835-add-fallback-channel-layouts-if-chann.patch b/target/linux/brcm2708/patches-4.4/0310-Revert-bcm2835-add-fallback-channel-layouts-if-chann.patch
new file mode 100644
index 0000000000..9f8d7d9603
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.4/0310-Revert-bcm2835-add-fallback-channel-layouts-if-chann.patch
@@ -0,0 +1,31 @@
+From f8473a921ad7208ca5b4218571f3ffd267b18cff Mon Sep 17 00:00:00 2001
+From: popcornmix <popcornmix@gmail.com>
+Date: Fri, 29 Apr 2016 17:27:35 +0100
+Subject: [PATCH 310/423] Revert "bcm2835: add fallback channel layouts if
+ channel map API is not used"
+
+This reverts commit ceacfff9f86f89826dbc8a6df667f485894327d1.
+---
+ sound/arm/bcm2835-vchiq.c | 11 +----------
+ 1 file changed, 1 insertion(+), 10 deletions(-)
+
+--- a/sound/arm/bcm2835-vchiq.c
++++ b/sound/arm/bcm2835-vchiq.c
+@@ -598,16 +598,7 @@ int bcm2835_audio_set_params(bcm2835_als
+ if (alsa_stream->chip->cea_chmap >= 0) {
+ chmap_value = (unsigned)alsa_stream->chip->cea_chmap << 24;
+ } else {
+- /* fallback layouts for applications which do not use chmap API */
+- chmap_value = 0x00;
+- switch (channels) {
+- case 3: chmap_value = 0x01; break;
+- case 4: chmap_value = 0x03; break;
+- case 5: chmap_value = 0x07; break;
+- case 6: chmap_value = 0x0b; break;
+- case 7: chmap_value = 0x0f; break;
+- case 8: chmap_value = 0x13; break;
+- }
++ chmap_value = 0; /* force stereo */
+ for (i = 0; i < 8; i++)
+ alsa_stream->chip->map_channels[i] = i;
+ }