target/linux/brcm63xx/patches-4.9/001-4.13-01-leds-bcm6328-fix-signal-source-assignment-for-high-l.patch

   1 From dc90895d776d7b8017bc3b14f588d569d8edbe1f Mon Sep 17 00:00:00 2001
   2 From: Jonas Gorski <jonas.gorski@gmail.com>
   3 Date: Thu, 11 May 2017 13:36:52 +0200
   4 Subject: [PATCH] leds: bcm6328: fix signal source assignment for high leds
   5
   6 Each nibble represents 4 LEDs, and in case of the higher register, bit 0
   7 represents LED 4, so we need to use modulus for the LED number as well.
   8
   9 Fixes: fd7b025a238d0a5440bfa26c585eb78097bf48dc ("leds: add BCM6328 LED driver")
  10 Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
  11 ---
  12  drivers/leds/leds-bcm6328.c | 4 ++--
  13  1 file changed, 2 insertions(+), 2 deletions(-)
  14
  15 --- a/drivers/leds/leds-bcm6328.c
  16 +++ b/drivers/leds/leds-bcm6328.c
  17 @@ -242,7 +242,7 @@ static int bcm6328_hwled(struct device *
  18
  19                 spin_lock_irqsave(lock, flags);
  20                 val = bcm6328_led_read(addr);
  21 -               val |= (BIT(reg) << (((sel % 4) * 4) + 16));
  22 +               val |= (BIT(reg % 4) << (((sel % 4) * 4) + 16));
  23                 bcm6328_led_write(addr, val);
  24                 spin_unlock_irqrestore(lock, flags);
  25         }
  26 @@ -269,7 +269,7 @@ static int bcm6328_hwled(struct device *
  27
  28                 spin_lock_irqsave(lock, flags);
  29                 val = bcm6328_led_read(addr);
  30 -               val |= (BIT(reg) << ((sel % 4) * 4));
  31 +               val |= (BIT(reg % 4) << ((sel % 4) * 4));
  32                 bcm6328_led_write(addr, val);
  33                 spin_unlock_irqrestore(lock, flags);
  34         }