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>

2 files changed, 10 insertions, 2 deletions

diff --git a/drivers/leds/leds-lp5523.c b/drivers/leds/leds-lp5523.c
index 6b553d9f4266..2f97651c6224 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 f1c704f2243a..00f068b0fa6f 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
          */