From: Jonas Gorski jonas.gorski@gmail.com
[ Upstream commit 4f02b50ece11dcf75263fb7a4cfe8a5df1cfabea ]
Each nibble represents 4 LEDs, and in case of the higher register, bit 0 represents LED 4, so we need to use modulus for the LED number as well.
Fixes: fd7b025a238d0a5440bfa26c585eb78097bf48dc ("leds: add BCM6328 LED driver") Signed-off-by: Jonas Gorski jonas.gorski@gmail.com Acked-by: Álvaro Fernández Rojas noltari@gmail.com Signed-off-by: Jacek Anaszewski jacek.anaszewski@gmail.com Signed-off-by: Sasha Levin alexander.levin@microsoft.com --- drivers/leds/leds-bcm6328.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/leds/leds-bcm6328.c b/drivers/leds/leds-bcm6328.c index 1548259297c1..2cfd9389ee96 100644 --- a/drivers/leds/leds-bcm6328.c +++ b/drivers/leds/leds-bcm6328.c @@ -242,7 +242,7 @@ static int bcm6328_hwled(struct device *dev, struct device_node *nc, u32 reg,
spin_lock_irqsave(lock, flags); val = bcm6328_led_read(addr); - val |= (BIT(reg) << (((sel % 4) * 4) + 16)); + val |= (BIT(reg % 4) << (((sel % 4) * 4) + 16)); bcm6328_led_write(addr, val); spin_unlock_irqrestore(lock, flags); } @@ -269,7 +269,7 @@ static int bcm6328_hwled(struct device *dev, struct device_node *nc, u32 reg,
spin_lock_irqsave(lock, flags); val = bcm6328_led_read(addr); - val |= (BIT(reg) << ((sel % 4) * 4)); + val |= (BIT(reg % 4) << ((sel % 4) * 4)); bcm6328_led_write(addr, val); spin_unlock_irqrestore(lock, flags); }