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| author | Milo(Woogyom) Kim <milo.kim@ti.com> | 2013-02-05 17:57:02 +0900 |
|---|---|---|
| committer | Bryan Wu <cooloney@gmail.com> | 2013-02-06 15:59:26 -0800 |
| commit | 86eb7748cef00faa3eaefc8fc450ed30281a09e7 (patch) | |
| tree | 9304bdfbaf9d762de9f7686f1554cda549ca4be5 /drivers/leds/leds-lp5521.c | |
| parent | 1904f83d568dba794be9de1311bafb5a4424812a (diff) | |
| download | linux-86eb7748cef00faa3eaefc8fc450ed30281a09e7.tar.gz linux-86eb7748cef00faa3eaefc8fc450ed30281a09e7.tar.bz2 linux-86eb7748cef00faa3eaefc8fc450ed30281a09e7.zip | |
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>
Diffstat (limited to 'drivers/leds/leds-lp5521.c')
| -rw-r--r-- | drivers/leds/leds-lp5521.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/leds/leds-lp5521.c b/drivers/leds/leds-lp5521.c index ec1ffe6316c1..ec89ed641005 100644 --- 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. |