summaryrefslogtreecommitdiff
path: root/drivers/leds/leds-aw200xx.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/leds/leds-aw200xx.c')
-rw-r--r--drivers/leds/leds-aw200xx.c41
1 files changed, 24 insertions, 17 deletions
diff --git a/drivers/leds/leds-aw200xx.c b/drivers/leds/leds-aw200xx.c
index 6c8c9f2c19e3..fe223d363a5d 100644
--- a/drivers/leds/leds-aw200xx.c
+++ b/drivers/leds/leds-aw200xx.c
@@ -379,7 +379,7 @@ static void aw200xx_enable(const struct aw200xx *const chip)
static void aw200xx_disable(const struct aw200xx *const chip)
{
- return gpiod_set_value_cansleep(chip->hwen, 0);
+ gpiod_set_value_cansleep(chip->hwen, 0);
}
static int aw200xx_probe_get_display_rows(struct device *dev,
@@ -409,7 +409,6 @@ static int aw200xx_probe_get_display_rows(struct device *dev,
static int aw200xx_probe_fw(struct device *dev, struct aw200xx *chip)
{
- struct fwnode_handle *child;
u32 current_min, current_max, min_uA;
int ret;
int i;
@@ -424,7 +423,7 @@ static int aw200xx_probe_fw(struct device *dev, struct aw200xx *chip)
min_uA = UINT_MAX;
i = 0;
- device_for_each_child_node(dev, child) {
+ device_for_each_child_node_scoped(dev, child) {
struct led_init_data init_data = {};
struct aw200xx_led *led;
u32 source, imax;
@@ -468,10 +467,8 @@ static int aw200xx_probe_fw(struct device *dev, struct aw200xx *chip)
ret = devm_led_classdev_register_ext(dev, &led->cdev,
&init_data);
- if (ret) {
- fwnode_handle_put(child);
+ if (ret)
break;
- }
i++;
}
@@ -530,6 +527,16 @@ static const struct regmap_config aw200xx_regmap_config = {
.disable_locking = true,
};
+static void aw200xx_chip_reset_action(void *data)
+{
+ aw200xx_chip_reset(data);
+}
+
+static void aw200xx_disable_action(void *data)
+{
+ aw200xx_disable(data);
+}
+
static int aw200xx_probe(struct i2c_client *client)
{
const struct aw200xx_chipdef *cdef;
@@ -568,11 +575,17 @@ static int aw200xx_probe(struct i2c_client *client)
aw200xx_enable(chip);
+ ret = devm_add_action(&client->dev, aw200xx_disable_action, chip);
+ if (ret)
+ return ret;
+
ret = aw200xx_chip_check(chip);
if (ret)
return ret;
- mutex_init(&chip->mutex);
+ ret = devm_mutex_init(&client->dev, &chip->mutex);
+ if (ret)
+ return ret;
/* Need a lock now since after call aw200xx_probe_fw, sysfs nodes created */
mutex_lock(&chip->mutex);
@@ -581,6 +594,10 @@ static int aw200xx_probe(struct i2c_client *client)
if (ret)
goto out_unlock;
+ ret = devm_add_action(&client->dev, aw200xx_chip_reset_action, chip);
+ if (ret)
+ goto out_unlock;
+
ret = aw200xx_probe_fw(&client->dev, chip);
if (ret)
goto out_unlock;
@@ -595,15 +612,6 @@ out_unlock:
return ret;
}
-static void aw200xx_remove(struct i2c_client *client)
-{
- struct aw200xx *chip = i2c_get_clientdata(client);
-
- aw200xx_chip_reset(chip);
- aw200xx_disable(chip);
- mutex_destroy(&chip->mutex);
-}
-
static const struct aw200xx_chipdef aw20036_cdef = {
.channels = 36,
.display_size_rows_max = 3,
@@ -652,7 +660,6 @@ static struct i2c_driver aw200xx_driver = {
.of_match_table = aw200xx_match_table,
},
.probe = aw200xx_probe,
- .remove = aw200xx_remove,
.id_table = aw200xx_id,
};
module_i2c_driver(aw200xx_driver);