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

From: Sasha Levin
Date: Sun Mar 15 2020 - 22:41:43 EST


From: Jerome Brunet <jbrunet@xxxxxxxxxxxx>

[ Upstream commit 22946f37557e27697aabc8e4f62642bfe4a17fd8 ]

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

Signed-off-by: Jerome Brunet <jbrunet@xxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20200221121146.1498427-1-jbrunet@xxxxxxxxxxxx
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
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