mfd: max77693: Add TORCH_IOUT_MASK macro

Add a macro for obtaining the mask of ITORCH register bit fields
related either to FLED1 or FLED2 current output. The expected
arguments are TORCH_IOUT1_SHIFT or TORCH_IOUT2_SHIFT.

Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

diff --git a/include/linux/mfd/max77693-private.h b/include/linux/mfd/max77693-private.h
index 5acd710..51633ea 100644 (file)
--- a/include/linux/mfd/max77693-private.h
+++ b/include/linux/mfd/max77693-private.h
@@ -87,6 +87,7 @@ enum max77693_pmic_reg {
 /* MAX77693 ITORCH register */
 #define TORCH_IOUT1_SHIFT      0
 #define TORCH_IOUT2_SHIFT      4
+#define TORCH_IOUT_MASK(x)     (0xf << (x))
 #define TORCH_IOUT_MIN         15625
 #define TORCH_IOUT_MAX         250000
 #define TORCH_IOUT_STEP                15625