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8299d1f057
Rebased RPi foundation patches on linux 5.10.59, removed applied and reverted patches, wireless patches and defconfig patches. bcm2708: boot tested on RPi B+ v1.2 bcm2709: boot tested on RPi 4B v1.1 4G bcm2711: boot tested on RPi 4B v1.1 4G Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
34 lines
1.2 KiB
Diff
34 lines
1.2 KiB
Diff
From d9d1244f8aa9d776073e2a12e0cb9542d89bd3cb Mon Sep 17 00:00:00 2001
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From: Hristo Venev <hristo@venev.name>
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Date: Fri, 5 Jun 2020 09:22:49 +0000
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Subject: [PATCH] snd_bcm2835: disable HDMI audio when vc4 is used
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(#3640)
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Things don't work too well when both the vc4 driver and the firmware
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driver are trying to control the same audio output:
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[ 763.569406] bcm2835_audio bcm2835_audio: vchi message timeout, msg=5
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Hence, when the vc4 HDMI driver is used, let it control audio. This is done
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by introducing a new device tree property to the audio node, and
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extending the vc4-kms-v3d overlays to set it appropriately.
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Signed-off-by: Hristo Venev <hristo@venev.name>
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---
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drivers/staging/vc04_services/bcm2835-audio/bcm2835.c | 4 +++-
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1 file changed, 3 insertions(+), 1 deletion(-)
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--- a/drivers/staging/vc04_services/bcm2835-audio/bcm2835.c
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+++ b/drivers/staging/vc04_services/bcm2835-audio/bcm2835.c
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@@ -381,7 +381,9 @@ static int snd_bcm2835_alsa_probe(struct
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}
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if (!enable_compat_alsa) {
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- set_hdmi_enables(dev);
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+ if (!of_property_read_bool(dev->of_node, "brcm,disable-hdmi"))
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+ set_hdmi_enables(dev);
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+
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// In this mode, always enable analog output
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enable_headphones = true;
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} else {
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