leds-lp55xx: add device reset function in lp5521/5523

 Use explicit each driver function rather than raw command.
 These function will be merged into the lp55xx common driver.

Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Bryan Wu <cooloney@gmail.com>

diff --git a/drivers/leds/leds-lp5521.c b/drivers/leds/leds-lp5521.c
index ec1ffe6..ec89ed6 100644 (file)
--- a/drivers/leds/leds-lp5521.c
+++ b/drivers/leds/leds-lp5521.c
@@ -687,6 +687,13 @@ static void lp5521_unregister_sysfs(struct i2c_client *client)
                                &lp5521_led_attribute_group);
 }
 
+static void lp5521_reset_device(struct lp5521_chip *chip)
+{
+       struct i2c_client *client = chip->client;
+
+       lp5521_write(client, LP5521_REG_RESET, 0xff);
+}
+
 static int lp5521_init_device(struct lp5521_chip *chip)
 {
        struct lp5521_platform_data *pdata = chip->pdata;
@@ -707,7 +714,8 @@ static int lp5521_init_device(struct lp5521_chip *chip)
                usleep_range(1000, 2000); /* 500us abs min. */
        }
 
-       lp5521_write(client, LP5521_REG_RESET, 0xff);
+       lp5521_reset_device(chip);
+
        usleep_range(10000, 20000); /*
                                     * Exact value is not available. 10 - 20ms
                                     * appears to be enough for reset.

diff --git a/drivers/leds/leds-lp5523.c b/drivers/leds/leds-lp5523.c
index 2fc19bb..cac492b 100644 (file)
--- a/drivers/leds/leds-lp5523.c
+++ b/drivers/leds/leds-lp5523.c
@@ -946,6 +946,13 @@ static void lp5523_unregister_leds(struct lp5523_chip *chip)
        }
 }
 
+static void lp5523_reset_device(struct lp5523_chip *chip)
+{
+       struct i2c_client *client = chip->client;
+
+       lp5523_write(client, LP5523_REG_RESET, 0xff);
+}
+
 static int lp5523_init_device(struct lp5523_chip *chip)
 {
        struct lp5523_platform_data *pdata = chip->pdata;
@@ -965,7 +972,8 @@ static int lp5523_init_device(struct lp5523_chip *chip)
                usleep_range(1000, 2000); /* 500us abs min. */
        }
 
-       lp5523_write(client, LP5523_REG_RESET, 0xff);
+       lp5523_reset_device(chip);
+
        usleep_range(10000, 20000); /*
                                     * Exact value is not available. 10 - 20ms
                                     * appears to be enough for reset.