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

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>

2 files changed, 3 insertions, 1 deletions

diff --git a/drivers/leds/leds-lp5523.c b/drivers/leds/leds-lp5523.c
index 0cc4ead2fd8b..6cb41607519d 100644
--- a/drivers/leds/leds-lp5523.c
+++ b/drivers/leds/leds-lp5523.c
@@ -870,7 +870,8 @@ static int __init lp5523_init_led(struct lp5523_led *led, struct device *dev,
                         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.brightness_set = lp5523_set_brightness;
diff --git a/include/linux/leds-lp5523.h b/include/linux/leds-lp5523.h
index 796747637b80..2694289babd0 100644
--- a/include/linux/leds-lp5523.h
+++ b/include/linux/leds-lp5523.h
@@ -42,6 +42,7 @@ struct lp5523_platform_data {
         int     (*setup_resources)(void);
         void    (*release_resources)(void);
         void    (*enable)(bool state);
+        const   char *label;
 };
 
 #endif /* __LINUX_LP5523_H */