[PATCH 14/24] leds: lm3601x: Use led_compose_name()

[Jacek Anaszewski]

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

Signed-off-by: Jacek Anaszewski <jacek.anaszew...@gmail.com>
Cc: Dan Murphy <dmur...@ti.com>
---
 drivers/leds/leds-lm3601x.c | 45 ++++++++++++++++++++++++---------------------
 1 file changed, 24 insertions(+), 21 deletions(-)

diff --git a/drivers/leds/leds-lm3601x.c b/drivers/leds/leds-lm3601x.c
index 081aa71..91ea652 100644
--- a/drivers/leds/leds-lm3601x.c
+++ b/drivers/leds/leds-lm3601x.c
@@ -10,7 +10,6 @@
 #include <linux/module.h>
 #include <linux/regmap.h>
 #include <linux/slab.h>
-#include <uapi/linux/uleds.h>
 
 #define LM3601X_LED_IR         0x0
 #define LM3601X_LED_TORCH      0x1
@@ -90,8 +89,6 @@ struct lm3601x_led {
        struct regmap *regmap;
        struct mutex lock;
 
-       char led_name[LED_MAX_NAME_SIZE];
-
        unsigned int flash_timeout;
        unsigned int last_flag;
 
@@ -322,10 +319,24 @@ static const struct led_flash_ops flash_ops = {
        .fault_get              = lm3601x_flash_fault_get,
 };
 
-static int lm3601x_register_leds(struct lm3601x_led *led)
+static int lm3601x_register_leds(struct lm3601x_led *led,
+                                struct fwnode_handle *fwnode)
 {
        struct led_classdev *led_cdev;
        struct led_flash_setting *setting;
+       struct led_init_data init_data = { fwnode };
+       char *mode_name;
+       int ret;
+
+       if (led->led_mode == LM3601X_LED_TORCH)
+               mode_name = "torch";
+       else
+               mode_name = "infrared";
+
+       ret = led_compose_name(fwnode, led->client->name, mode_name,
+                              init_data.name);
+       if (ret < 0)
+               return ret;
 
        led->fled_cdev.ops = &flash_ops;
 
@@ -342,20 +353,20 @@ static int lm3601x_register_leds(struct lm3601x_led *led)
        setting->val = led->flash_current_max;
 
        led_cdev = &led->fled_cdev.led_cdev;
-       led_cdev->name = led->led_name;
        led_cdev->brightness_set_blocking = lm3601x_brightness_set;
        led_cdev->max_brightness = DIV_ROUND_UP(led->torch_current_max,
                                                LM3601X_TORCH_REG_DIV);
        led_cdev->flags |= LED_DEV_CAP_FLASH;
 
-       return led_classdev_flash_register(&led->client->dev, &led->fled_cdev);
+       return led_classdev_flash_register_ext(&led->client->dev,
+                                               &led->fled_cdev, &init_data);
 }
 
-static int lm3601x_parse_node(struct lm3601x_led *led)
+static int lm3601x_parse_node(struct lm3601x_led *led,
+                             struct fwnode_handle **fwnode)
 {
        struct fwnode_handle *child = NULL;
        int ret = -ENODEV;
-       const char *name;
 
        child = device_get_next_child_node(&led->client->dev, child);
        if (!child) {
@@ -376,17 +387,6 @@ static int lm3601x_parse_node(struct lm3601x_led *led)
                goto out_err;
        }
 
-       ret = fwnode_property_read_string(child, "label", &name);
-       if (ret) {
-               if (led->led_mode == LM3601X_LED_TORCH)
-                       name = "torch";
-               else
-                       name = "infrared";
-       }
-
-       snprintf(led->led_name, sizeof(led->led_name),
-               "%s:%s", led->client->name, name);
-
        ret = fwnode_property_read_u32(child, "led-max-microamp",
                                        &led->torch_current_max);
        if (ret) {
@@ -411,6 +411,8 @@ static int lm3601x_parse_node(struct lm3601x_led *led)
                goto out_err;
        }
 
+       *fwnode = child;
+
 out_err:
        fwnode_handle_put(child);
        return ret;
@@ -419,6 +421,7 @@ static int lm3601x_parse_node(struct lm3601x_led *led)
 static int lm3601x_probe(struct i2c_client *client)
 {
        struct lm3601x_led *led;
+       struct fwnode_handle *fwnode;
        int ret;
 
        led = devm_kzalloc(&client->dev, sizeof(*led), GFP_KERNEL);
@@ -428,7 +431,7 @@ static int lm3601x_probe(struct i2c_client *client)
        led->client = client;
        i2c_set_clientdata(client, led);
 
-       ret = lm3601x_parse_node(led);
+       ret = lm3601x_parse_node(led, &fwnode);
        if (ret)
                return -ENODEV;
 
@@ -442,7 +445,7 @@ static int lm3601x_probe(struct i2c_client *client)
 
        mutex_init(&led->lock);
 
-       return lm3601x_register_leds(led);
+       return lm3601x_register_leds(led, fwnode);
 }
 
 static int lm3601x_remove(struct i2c_client *client)
-- 
2.1.4