[PATCH] leds: leds-mc13783: Fix MC13892 keypad led access
From: Alexander Kurz <hidden>
Date: 2016-10-09 13:50:19
Subsystem:
led subsystem, the rest · Maintainers:
Lee Jones, Pavel Machek, Linus Torvalds
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 <redacted>
---
drivers/leds/leds-mc13783.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/leds/leds-mc13783.c b/drivers/leds/leds-mc13783.c
index a2e4c17..2421cf10 100644
--- 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:
--
2.1.4