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Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0617-drm-vc4-hdmi-Give-the-HDMI-audio-instances-different.patch')
-rw-r--r--target/linux/bcm27xx/patches-5.4/950-0617-drm-vc4-hdmi-Give-the-HDMI-audio-instances-different.patch26
1 files changed, 26 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0617-drm-vc4-hdmi-Give-the-HDMI-audio-instances-different.patch b/target/linux/bcm27xx/patches-5.4/950-0617-drm-vc4-hdmi-Give-the-HDMI-audio-instances-different.patch
new file mode 100644
index 0000000000..a7b5b5fad3
--- /dev/null
+++ b/target/linux/bcm27xx/patches-5.4/950-0617-drm-vc4-hdmi-Give-the-HDMI-audio-instances-different.patch
@@ -0,0 +1,26 @@
+From 992513ac2ec9245cb8f0fdd9c0e2ce4add07beb2 Mon Sep 17 00:00:00 2001
+From: Dave Stevenson <dave.stevenson@raspberrypi.com>
+Date: Tue, 31 Mar 2020 16:21:45 +0100
+Subject: [PATCH] drm/vc4-hdmi: Give the HDMI audio instances different
+ names
+
+The debugfs usage within asoc gets confused if multiple interfaces
+have the same card name, therefore use unique names when
+initialising them.
+
+Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
+---
+ drivers/gpu/drm/vc4/vc4_hdmi.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
++++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
+@@ -1198,7 +1198,7 @@ static int vc4_hdmi_audio_init(struct vc
+
+ card->dai_link = dai_link;
+ card->num_links = 1;
+- card->name = "vc4-hdmi";
++ card->name = vc4_hdmi->variant->id ? "vc4-hdmi1" : "vc4-hdmi";
+ card->dev = dev;
+
+ /*