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leds: leds-pcs9532 - Move i2c work to a workqueque

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Apparently these might be called under atomic context,
and i2c operations may sleep. BUG found by
Ross Burton <ross@burtonini.com>

Signed-off-by: Riku Voipio <riku.voipio@iki.fi>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>
This commit is contained in:
Riku Voipio 2008-12-03 08:21:36 +00:00 • committed by Richard Purdie
parent f785d022ad
commit 934cd3f979
2 changed files with 45 additions and 8 deletions
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2
include/linux/leds-pca9532.h
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@ -15,6 +15,7 @@
#define __LINUX_PCA9532_H
#include <linux/leds.h>
#include <linux/workqueue.h>
enum pca9532_state {
PCA9532_OFF = 0x0,
@ -31,6 +32,7 @@ struct pca9532_led {
struct i2c_client *client;
char *name;
struct led_classdev ldev;
struct work_struct work;
enum pca9532_type type;
enum pca9532_state state;
};