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leds-lp5523: turn off the LED engines on unloading the driver

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The LP5523 has 3 engines which are used for running LED patterns.
These engines should be off while unloading the driver.
Obviously, LP5523 platform data are used for releasing the resource
such like enable()/release_resource(), but these are not mandatory.
Therefore this patch is required without the platform data dependency.

Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Bryan Wu <bryan.wu@canonical.com>
This commit is contained in:
Kim, Milo 2012-09-12 20:16:00 +08:00 committed by Bryan Wu
parent e0e021600e
commit 23301b7f1b
1 changed files with 3 additions and 0 deletions
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3
drivers/leds/leds-lp5523.c
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@ -997,6 +997,9 @@ 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++) {