From: Jerome Brunet <jbrunet@baylibre.com>
Date: Fri, 21 Feb 2020 12:11:46 +0000 (+0100)
Subject: ASoC: meson: g12a: add tohdmitx reset
X-Git-Tag: v5.15~2585^2~258^2~10
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=22946f37557e27697aabc8e4f62642bfe4a17fd8;p=platform%2Fkernel%2Flinux-starfive.git

ASoC: meson: g12a: add tohdmitx reset

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>
---

diff --git a/sound/soc/meson/g12a-tohdmitx.c b/sound/soc/meson/g12a-tohdmitx.c
index 9cfbd34..8a0db28 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))