leds: mc13783: Fix MC13892 keypad led access

Fix the register access shift argument calculation introduced with
commit a59ce6584d56 ("leds: leds-mc13783: Add MC34708 LED support")
and re-enable access to the "keypad" led for MC13892 MFC devices.

Signed-off-by: Alexander Kurz <akurz@blala.de>
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>

diff --git a/drivers/leds/leds-mc13783.c b/drivers/leds/leds-mc13783.c
index a2e4c17..2421cf1 100644 (file)
--- a/drivers/leds/leds-mc13783.c
+++ b/drivers/leds/leds-mc13783.c
@@ -84,8 +84,9 @@ static int mc13xxx_led_set(struct led_classdev *led_cdev,
        case MC13892_LED_MD:
        case MC13892_LED_AD:
        case MC13892_LED_KP:
-               reg = (led->id - MC13892_LED_MD) / 2;
-               shift = 3 + (led->id - MC13892_LED_MD) * 12;
+               off = led->id - MC13892_LED_MD;
+               reg = off / 2;
+               shift = 3 + (off - reg * 2) * 12;
                break;
        case MC13892_LED_R:
        case MC13892_LED_G: