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leds-lp55xx: clean up deinit leds in lp5521/5523

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To make LED unregistration code simple, new function, _unregister_leds()
 is added in each driver.
 This patch is a preceding step for lp55xx common driver architecture.

Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Bryan Wu <cooloney@gmail.com>
This commit is contained in:
Milo(Woogyom) Kim 2013-02-05 17:56:23 +09:00 committed by Bryan Wu
parent f652480802
commit 1904f83d56
2 changed files with 25 additions and 19 deletions
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23
drivers/leds/leds-lp5521.c
View File

@ -837,12 +837,22 @@ static int lp5521_register_leds(struct lp5521_chip *chip)
return 0;
}
static void lp5521_unregister_leds(struct lp5521_chip *chip)
{
int i;
for (i = 0; i < chip->num_leds; i++) {
led_classdev_unregister(&chip->leds[i].cdev);
cancel_work_sync(&chip->leds[i].brightness_work);
}
}
static int lp5521_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct lp5521_chip *chip;
struct lp5521_platform_data *pdata;
int ret, i;
int ret;
chip = devm_kzalloc(&client->dev, sizeof(*chip), GFP_KERNEL);
if (!chip)
@ -885,10 +895,7 @@ static int lp5521_probe(struct i2c_client *client,
}
return ret;
fail2:
for (i = 0; i < chip->num_leds; i++) {
led_classdev_unregister(&chip->leds[i].cdev);
cancel_work_sync(&chip->leds[i].brightness_work);
}
lp5521_unregister_leds(chip);
fail1:
lp5521_deinit_device(chip);
return ret;
@ -897,15 +904,11 @@ static int lp5521_probe(struct i2c_client *client,
static int lp5521_remove(struct i2c_client *client)
{
struct lp5521_chip *chip = i2c_get_clientdata(client);
int i;
lp5521_run_led_pattern(PATTERN_OFF, chip);
lp5521_unregister_sysfs(client);
for (i = 0; i < chip->num_leds; i++) {
led_classdev_unregister(&chip->leds[i].cdev);
cancel_work_sync(&chip->leds[i].brightness_work);
}
lp5521_unregister_leds(chip);
lp5521_deinit_device(chip);
return 0;

21
drivers/leds/leds-lp5523.c
View File

@ -936,6 +936,16 @@ static int lp5523_register_leds(struct lp5523_chip *chip, const char *name)
return 0;
}
static void lp5523_unregister_leds(struct lp5523_chip *chip)
{
int i;
for (i = 0; i < chip->num_leds; i++) {
led_classdev_unregister(&chip->leds[i].cdev);
flush_work(&chip->leds[i].brightness_work);
}
}
static int lp5523_init_device(struct lp5523_chip *chip)
{
struct lp5523_platform_data *pdata = chip->pdata;
@ -1029,10 +1039,7 @@ static int lp5523_probe(struct i2c_client *client,
}
return ret;
fail2:
for (i = 0; i < chip->num_leds; i++) {
led_classdev_unregister(&chip->leds[i].cdev);
flush_work(&chip->leds[i].brightness_work);
}
lp5523_unregister_leds(chip);
fail1:
lp5523_deinit_device(chip);
return ret;
@ -1041,17 +1048,13 @@ static int lp5523_probe(struct i2c_client *client,
static int lp5523_remove(struct i2c_client *client)
{
struct lp5523_chip *chip = i2c_get_clientdata(client);
int i;
/* Disable engine mode */
lp5523_write(client, LP5523_REG_OP_MODE, LP5523_CMD_DISABLED);
lp5523_unregister_sysfs(client);
for (i = 0; i < chip->num_leds; i++) {
led_classdev_unregister(&chip->leds[i].cdev);
flush_work(&chip->leds[i].brightness_work);
}
lp5523_unregister_leds(chip);
lp5523_deinit_device(chip);
return 0;