ASoC: meson: g12a: add tohdmitx reset
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Message ID 20200221121146.1498427-1-jbrunet@baylibre.com
State Mainlined
Commit 22946f37557e27697aabc8e4f62642bfe4a17fd8
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Series
  • ASoC: meson: g12a: add tohdmitx reset
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Commit Message

Jerome Brunet Feb. 21, 2020, 12:11 p.m. UTC
Reset the g12a hdmi codec glue on probe. This ensure a sane startup state.

Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
---
 sound/soc/meson/g12a-tohdmitx.c | 6 ++++++
 1 file changed, 6 insertions(+)

Patch
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diff --git a/sound/soc/meson/g12a-tohdmitx.c b/sound/soc/meson/g12a-tohdmitx.c
index f8853f2fba08..9b2b59536ced 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>
 
@@ -245,6 +246,11 @@  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))