From: Fabio Estevam <festevam@xxxxxxx>
When the reset_gpio GPIO is used, it is better to put the codec
back into reset state when the driver unbinds.
Add a remove() function to accomplish that.
Suggested-by: Charles Keepax <ckeepax@xxxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Fabio Estevam <festevam@xxxxxxx>
---
Changes since v1:
- Newly introduced patch.
sound/soc/codecs/cs4265.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/sound/soc/codecs/cs4265.c b/sound/soc/codecs/cs4265.c
index 294fa7ac16cb..8fa166e4b2a9 100644
--- a/sound/soc/codecs/cs4265.c
+++ b/sound/soc/codecs/cs4265.c
@@ -626,6 +626,16 @@ static int cs4265_i2c_probe(struct i2c_client *i2c_client,
ARRAY_SIZE(cs4265_dai));
}
+static int cs4265_i2c_remove(struct i2c_client *i2c)
+{
+ struct cs4265_private *cs4265 = i2c_get_clientdata(i2c);
+
+ if (cs4265->reset_gpio)
+ gpiod_set_value_cansleep(cs4265->reset_gpio, 1);
+
+ return 0;
+}
+
static const struct of_device_id cs4265_of_match[] = {
{ .compatible = "cirrus,cs4265", },
{ }
@@ -645,6 +655,7 @@ static struct i2c_driver cs4265_i2c_driver = {
},
.id_table = cs4265_id,
.probe = cs4265_i2c_probe,
+ .remove = cs4265_i2c_remove,
};
module_i2c_driver(cs4265_i2c_driver);
--
2.25.1
