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leds-lp5523: set the brightness to 0 forcely on removing the driver
Turning off the brightness of each channel is required when removing the driver. So use flush_work() rather than cancel_work_sync() to execute remaining brightness works. Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com> Signed-off-by: Bryan Wu <bryan.wu@canonical.com>
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1 changed files with 2 additions and 2 deletions
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@ -974,7 +974,7 @@ static int __devinit lp5523_probe(struct i2c_client *client,
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fail2:
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for (i = 0; i < chip->num_leds; i++) {
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led_classdev_unregister(&chip->leds[i].cdev);
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cancel_work_sync(&chip->leds[i].brightness_work);
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flush_work(&chip->leds[i].brightness_work);
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}
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fail1:
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if (pdata->enable)
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@ -993,7 +993,7 @@ static int lp5523_remove(struct i2c_client *client)
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for (i = 0; i < chip->num_leds; i++) {
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led_classdev_unregister(&chip->leds[i].cdev);
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cancel_work_sync(&chip->leds[i].brightness_work);
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flush_work(&chip->leds[i].brightness_work);
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}
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if (chip->pdata->enable)
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