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Subject[PATCH 2/4] leds-lp5523: set the brightness to 0 forcely on removing the driver
Date
Turning off the brightness of each channel is required
when removing the driver.

So use flush_work_sync() rather than cancel_work_sync() to wait for
unhandled brightness works.

Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
---
drivers/leds/leds-lp5523.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/leds/leds-lp5523.c b/drivers/leds/leds-lp5523.c
index 9fd9a92..f090819 100644
--- a/drivers/leds/leds-lp5523.c
+++ b/drivers/leds/leds-lp5523.c
@@ -974,7 +974,7 @@ static int __devinit lp5523_probe(struct i2c_client *client,
fail2:
for (i = 0; i < chip->num_leds; i++) {
led_classdev_unregister(&chip->leds[i].cdev);
- cancel_work_sync(&chip->leds[i].brightness_work);
+ flush_work_sync(&chip->leds[i].brightness_work);
}
fail1:
if (pdata->enable)
@@ -993,7 +993,7 @@ static int lp5523_remove(struct i2c_client *client)

for (i = 0; i < chip->num_leds; i++) {
led_classdev_unregister(&chip->leds[i].cdev);
- cancel_work_sync(&chip->leds[i].brightness_work);
+ flush_work_sync(&chip->leds[i].brightness_work);
}

if (chip->pdata->enable)
--
1.7.2.5

Best Regards,
Milo




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