Subject: [PATCH AUTOSEL 5.5 09/41] ASoC: meson: g12a: add tohdmitx reset

From: Sasha Levin <[email-masked]>
Date: Sun, 15 Mar 2020 22:32:47 -0400

From: Jerome Brunet <[email-masked]>

[ Upstream commit 22946f37557e27697aabc8e4f62642bfe4a17fd8 ]

Reset the g12a hdmi codec glue on probe. This ensure a sane startup state.

Signed-off-by: Jerome Brunet <[email-masked]>
Link: https://lore.kernel.org/r/[email-masked]
Signed-off-by: Mark Brown <[email-masked]>
Signed-off-by: Sasha Levin <[email-masked]>
---
 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 9cfbd343a00c8..8a0db28a6a406 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))
-- 
2.20.1

_______________________________________________
linux-arm-kernel mailing list
[email-masked]
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel