[meta-freescale] [PATCH 35/52] alsa-state: Fix HDMI for i.MX 8M
Tom Hochstein
tom.hochstein at nxp.com
Mon Jul 30 12:43:54 PDT 2018
Channel mapping on HDMI was incorrect for 4 and 8 channels.
Create a PCM device so alsa-lib will remap in user space.
Signed-off-by: Tom Hochstein <tom.hochstein at nxp.com>
---
recipes-bsp/alsa-state/alsa-state/imx/asound.conf | 30 +++++++++++++++++++++++
1 file changed, 30 insertions(+)
diff --git a/recipes-bsp/alsa-state/alsa-state/imx/asound.conf b/recipes-bsp/alsa-state/alsa-state/imx/asound.conf
index 0f9d0c8..c511018 100644
--- a/recipes-bsp/alsa-state/alsa-state/imx/asound.conf
+++ b/recipes-bsp/alsa-state/alsa-state/imx/asound.conf
@@ -427,3 +427,33 @@ pcm.sai1to4{
bindings.2 1
bindings.3 9
}
+
+pcm.cdnhdmi4ch {
+ type dshare
+ slave {
+ pcm "hw:3,0"
+ channels 4
+ }
+ ipc_key 5144458
+ bindings.0 0
+ bindings.1 2
+ bindings.2 1
+ bindings.3 3
+}
+
+pcm.cdnhdmi8ch {
+ type dshare
+ slave {
+ pcm "hw:3,0"
+ channels 8
+ }
+ ipc_key 5144458
+ bindings.0 0
+ bindings.1 4
+ bindings.2 1
+ bindings.3 5
+ bindings.4 2
+ bindings.5 6
+ bindings.6 3
+ bindings.7 7
+}
--
2.7.4
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