Switch to using generic LED support for composing LED class
device name.

Signed-off-by: Jacek Anaszewski <jacek.anaszew...@gmail.com>
Cc: Sakari Ailus <sakari.ai...@linux.intel.com>
---
 drivers/leds/leds-as3645a.c | 65 ++++++++++++++++++++-------------------------
 1 file changed, 29 insertions(+), 36 deletions(-)

diff --git a/drivers/leds/leds-as3645a.c b/drivers/leds/leds-as3645a.c
index 98a69b1..d7f6037 100644
--- a/drivers/leds/leds-as3645a.c
+++ b/drivers/leds/leds-as3645a.c
@@ -132,11 +132,6 @@ struct as3645a_config {
        u32 peak;
 };
 
-struct as3645a_names {
-       char flash[32];
-       char indicator[32];
-};
-
 struct as3645a {
        struct i2c_client *client;
 
@@ -492,12 +487,10 @@ static int as3645a_detect(struct as3645a *flash)
 }
 
 static int as3645a_parse_node(struct as3645a *flash,
-                             struct as3645a_names *names,
                              struct device_node *node)
 {
        struct as3645a_config *cfg = &flash->cfg;
        struct device_node *child;
-       const char *name;
        int rval;
 
        for_each_child_of_node(node, child) {
@@ -524,13 +517,6 @@ static int as3645a_parse_node(struct as3645a *flash,
                return -ENODEV;
        }
 
-       rval = of_property_read_string(flash->flash_node, "label", &name);
-       if (!rval)
-               strlcpy(names->flash, name, sizeof(names->flash));
-       else
-               snprintf(names->flash, sizeof(names->flash),
-                        "%pOFn:flash", node);
-
        rval = of_property_read_u32(flash->flash_node, "flash-timeout-us",
                                    &cfg->flash_timeout_us);
        if (rval < 0) {
@@ -568,13 +554,6 @@ static int as3645a_parse_node(struct as3645a *flash,
                goto out_err;
        }
 
-       rval = of_property_read_string(flash->indicator_node, "label", &name);
-       if (!rval)
-               strlcpy(names->indicator, name, sizeof(names->indicator));
-       else
-               snprintf(names->indicator, sizeof(names->indicator),
-                        "%pOFn:indicator", node);
-
        rval = of_property_read_u32(flash->indicator_node, "led-max-microamp",
                                    &cfg->indicator_max_ua);
        if (rval < 0) {
@@ -592,21 +571,27 @@ static int as3645a_parse_node(struct as3645a *flash,
        return rval;
 }
 
-static int as3645a_led_class_setup(struct as3645a *flash,
-                                  struct as3645a_names *names)
+static int as3645a_led_class_setup(struct as3645a *flash)
 {
        struct led_classdev *fled_cdev = &flash->fled.led_cdev;
        struct led_classdev *iled_cdev = &flash->iled_cdev;
+       struct led_init_data init_data;
        struct led_flash_setting *cfg;
        int rval;
 
-       iled_cdev->name = names->indicator;
+       init_data.fwnode = of_fwnode_handle(flash->indicator_node);
+       rval = led_compose_name(init_data.fwnode, AS_NAME, "indicator",
+                               init_data.name);
+       if (rval < 0)
+               return rval;
+
        iled_cdev->brightness_set_blocking = as3645a_set_indicator_brightness;
        iled_cdev->max_brightness =
                flash->cfg.indicator_max_ua / AS_INDICATOR_INTENSITY_STEP;
        iled_cdev->flags = LED_CORE_SUSPENDRESUME;
 
-       rval = led_classdev_register(&flash->client->dev, iled_cdev);
+       rval = led_classdev_register_ext(&flash->client->dev, iled_cdev,
+                                        &init_data);
        if (rval < 0)
                return rval;
 
@@ -624,7 +609,12 @@ static int as3645a_led_class_setup(struct as3645a *flash,
 
        flash->fled.ops = &as3645a_led_flash_ops;
 
-       fled_cdev->name = names->flash;
+       init_data.fwnode = of_fwnode_handle(flash->flash_node);
+       rval = led_compose_name(init_data.fwnode, AS_NAME, "flash",
+                               init_data.name);
+       if (rval < 0)
+               goto out_err;
+
        fled_cdev->brightness_set_blocking = as3645a_set_assist_brightness;
        /* Value 0 is off in LED class. */
        fled_cdev->max_brightness =
@@ -632,14 +622,18 @@ static int as3645a_led_class_setup(struct as3645a *flash,
                                       flash->cfg.assist_max_ua) + 1;
        fled_cdev->flags = LED_DEV_CAP_FLASH | LED_CORE_SUSPENDRESUME;
 
-       rval = led_classdev_flash_register(&flash->client->dev, &flash->fled);
-       if (rval) {
-               led_classdev_unregister(iled_cdev);
-               dev_err(&flash->client->dev,
-                       "led_classdev_flash_register() failed, error %d\n",
-                       rval);
-       }
+       rval = led_classdev_flash_register_ext(&flash->client->dev,
+                                              &flash->fled, &init_data);
+       if (rval)
+               goto out_err;
+
+       return rval;
 
+out_err:
+       led_classdev_unregister(iled_cdev);
+       dev_err(&flash->client->dev,
+               "led_classdev_flash_register() failed, error %d\n",
+               rval);
        return rval;
 }
 
@@ -686,7 +680,6 @@ static int as3645a_v4l2_setup(struct as3645a *flash)
 
 static int as3645a_probe(struct i2c_client *client)
 {
-       struct as3645a_names names;
        struct as3645a *flash;
        int rval;
 
@@ -699,7 +692,7 @@ static int as3645a_probe(struct i2c_client *client)
 
        flash->client = client;
 
-       rval = as3645a_parse_node(flash, &names, client->dev.of_node);
+       rval = as3645a_parse_node(flash, client->dev.of_node);
        if (rval < 0)
                return rval;
 
@@ -714,7 +707,7 @@ static int as3645a_probe(struct i2c_client *client)
        if (rval)
                goto out_mutex_destroy;
 
-       rval = as3645a_led_class_setup(flash, &names);
+       rval = as3645a_led_class_setup(flash);
        if (rval)
                goto out_mutex_destroy;
 
-- 
2.1.4

Reply via email to