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leds: Add support for Philips PCA955x I2C LED drivers

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This driver supports the PCA9550, PCA9551, PCA9552, and PCA9553
LED driver chips.

Signed-off-by: Nate Case <ncase@xes-inc.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
This commit is contained in:
Nate Case
2008-07-16 22:49:55 +01:00
committed by Richard Purdie
parent dd1160dc18
commit f46e9203d9
4 changed files with 407 additions and 0 deletions
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14
include/linux/leds.h
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@@ -118,6 +118,20 @@ extern void ledtrig_ide_activity(void);
#define ledtrig_ide_activity() do {} while(0)
#endif
/*
* Generic LED platform data for describing LED names and default triggers.
*/
struct led_info {
const char *name;
char *default_trigger;
int flags;
};
struct led_platform_data {
int num_leds;
struct led_info *leds;
};
/* For the leds-gpio driver */
struct gpio_led {
const char *name;