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leds: leds-lp5523: modify the way of setting led device name

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Currently all leds channels begins with string lp5523.  Patch adds a
possibility to provide name via platform data.  This makes it possible to
have several chips without overlapping sysfs names.

Signed-off-by: Samu Onkalo <samu.p.onkalo@nokia.com>
Cc: Arun Murthy <arun.murthy@stericsson.com>
Cc: Ilkka Koskinen <ilkka.koskinen@nokia.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Samu Onkalo 2011-01-12 16:59:17 -08:00 committed by Linus Torvalds
parent 125c713525
commit 278ad4fd0e
2 changed files with 3 additions and 1 deletions
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3
drivers/leds/leds-lp5523.c
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@ -870,7 +870,8 @@ static int __init lp5523_init_led(struct lp5523_led *led, struct device *dev,
return -EINVAL; return -EINVAL;
} }
snprintf(name, 32, "lp5523:channel%d", chan); snprintf(name, sizeof(name), "%s:channel%d",
pdata->label ?: "lp5523", chan);
led->cdev.name = name; led->cdev.name = name;
led->cdev.brightness_set = lp5523_set_brightness; led->cdev.brightness_set = lp5523_set_brightness;

1
include/linux/leds-lp5523.h
View file

@ -42,6 +42,7 @@ struct lp5523_platform_data {
int (*setup_resources)(void); int (*setup_resources)(void);
void (*release_resources)(void); void (*release_resources)(void);
void (*enable)(bool state); void (*enable)(bool state);
const char *label;
}; };
#endif /* __LINUX_LP5523_H */ #endif /* __LINUX_LP5523_H */