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authorPavel Machek <pavel@ucw.cz>2014-01-10 00:14:05 +0100
committerJiri Kosina <jkosina@suse.cz>2014-01-10 11:44:44 +0100
commitbfb18d824c6a6cc401b73b1da9105aed81eb6434 (patch)
tree1576b085c224d878dea681361f02c4ed81353077 /drivers/leds
parent6fe495e0f80ebe98e311006e6ab491643340917f (diff)
lp5523, lp8501: comment improvements
Add some comments that are not obvious from first look at the driver to lp5523, fix typo in lp8501. Signed-off-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'drivers/leds')
-rw-r--r--drivers/leds/leds-lp5523.c10
-rw-r--r--drivers/leds/leds-lp8501.c2
2 files changed, 10 insertions, 2 deletions
diff --git a/drivers/leds/leds-lp5523.c b/drivers/leds/leds-lp5523.c
index 6b553d9f426..2f97651c622 100644
--- a/drivers/leds/leds-lp5523.c
+++ b/drivers/leds/leds-lp5523.c
@@ -35,7 +35,15 @@
#include "leds-lp55xx-common.h"
-#define LP5523_PROGRAM_LENGTH 32
+#define LP5523_PROGRAM_LENGTH 32 /* bytes */
+/* Memory is used like this:
+ 0x00 engine 1 program
+ 0x10 engine 2 program
+ 0x20 engine 3 program
+ 0x30 engine 1 muxing info
+ 0x40 engine 2 muxing info
+ 0x50 engine 3 muxing info
+*/
#define LP5523_MAX_LEDS 9
/* Registers */
diff --git a/drivers/leds/leds-lp8501.c b/drivers/leds/leds-lp8501.c
index f1c704f2243..00f068b0fa6 100644
--- a/drivers/leds/leds-lp8501.c
+++ b/drivers/leds/leds-lp8501.c
@@ -263,7 +263,7 @@ static void lp8501_firmware_loaded(struct lp55xx_chip *chip)
}
/*
- * Program momery sequence
+ * Program memory sequence
* 1) set engine mode to "LOAD"
* 2) write firmware data into program memory
*/