From 22946f37557e27697aabc8e4f62642bfe4a17fd8 Mon Sep 17 00:00:00 2001
From: Jerome Brunet <jbrunet@baylibre.com>
Date: Fri, 21 Feb 2020 13:11:46 +0100
Subject: [PATCH] ASoC: meson: g12a: add tohdmitx reset
Git-commit: 22946f37557e27697aabc8e4f62642bfe4a17fd8
Patch-mainline: v5.6-rc5
References: jsc#SLE-16518
Reset the g12a hdmi codec glue on probe. This ensure a sane startup state.
Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Link: https://lore.kernel.org/r/20200221121146.1498427-1-jbrunet@baylibre.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
sound/soc/meson/g12a-tohdmitx.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/sound/soc/meson/g12a-tohdmitx.c b/sound/soc/meson/g12a-tohdmitx.c
index 9cfbd343a00c..8a0db28a6a40 100644
--- a/sound/soc/meson/g12a-tohdmitx.c
+++ b/sound/soc/meson/g12a-tohdmitx.c
@@ -8,6 +8,7 @@
#include <linux/module.h>
#include <sound/pcm_params.h>
#include <linux/regmap.h>
+#include <linux/reset.h>
#include <sound/soc.h>
#include <sound/soc-dai.h>
@@ -378,6 +379,11 @@ static int g12a_tohdmitx_probe(struct platform_device *pdev)
struct device *dev = &pdev->dev;
void __iomem *regs;
struct regmap *map;
+ int ret;
+
+ ret = device_reset(dev);
+ if (ret)
+ return ret;
regs = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(regs))
--
2.16.4