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openwrt/target/linux/bcm27xx/patches-5.10/950-0262-staging-bcm2835-audio-Add-missing-MODULE_ALIAS.patch
Álvaro Fernández Rojas 8299d1f057 bcm27xx: add kernel 5.10 support
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>
2021-08-21 19:07:07 +02:00

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From 0465c9ffbf41667c8553d18ace95d2be2f2f4b00 Mon Sep 17 00:00:00 2001
From: Maxim Mikityanskiy <maxtram95@gmail.com>
Date: Sat, 20 Jun 2020 15:40:00 +0300
Subject: [PATCH] staging: bcm2835-audio: Add missing MODULE_ALIAS
Commit 8353fe6f1e0f ("Revert "staging: bcm2835-audio: Drop DT
dependency"") reverts the upstream change and makes bcm2835-audio use
device tree again, however, it also removes the MODULE_ALIAS for the
platform device. This MODULE_ALIAS is needed, because VCHIQ registers
bcm2835-audio as a child platform device since commit 25c7597af20d
("staging: vchiq_arm: Register a platform device for audio"), and this
mechanism is adopted also in the downstream kernel.
This commit puts back that MODULE_ALIAS to make bcm2835-audio
autoprobing work again. The rest of VCHIQ children have their
MODULE_ALIASes in place.
Fixes: 8353fe6f1e0f ("Revert "staging: bcm2835-audio: Drop DT dependency"")
Signed-off-by: Maxim Mikityanskiy <maxtram95@gmail.com>
---
drivers/staging/vc04_services/bcm2835-audio/bcm2835.c | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/staging/vc04_services/bcm2835-audio/bcm2835.c
+++ b/drivers/staging/vc04_services/bcm2835-audio/bcm2835.c
@@ -438,3 +438,4 @@ module_platform_driver(bcm2835_alsa_driv
MODULE_AUTHOR("Dom Cobley");
MODULE_DESCRIPTION("Alsa driver for BCM2835 chip");
MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:bcm2835_audio");