commit 2291e49850b1b39e0c6e60327dab3ed98991340d
author Kever Yang <kever.yang@rock-chips.com> Wed Jul 19 19:54:23 2017 +0800
committer Philipp Tomsich <philipp.tomsich@theobroma-systems.com> Thu Jul 27 14:59:01 2017 +0200
tree 7744769b661b85832623ac794c093f4ea39f2ae1
parent cba88f1bb9aed13267991a9b93d33633b3f4f365

rockchip: pwm: add mask for config setting

Use mask to clear old setting before direct set the new config,
or else there it will mess up the config when it's not the same
with default value.

Fixes: 3851059 rockchip: Setup default PWM flags
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Acked-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>

arch/arm/include/asm/arch-rockchip/pwm.h

diff --git a/arch/arm/include/asm/arch-rockchip/pwm.h b/arch/arm/include/asm/arch-rockchip/pwm.h
index 08ff945..b1d8047 100644
--- a/arch/arm/include/asm/arch-rockchip/pwm.h
+++ b/arch/arm/include/asm/arch-rockchip/pwm.h
@@ -25,9 +25,11 @@
 
 #define PWM_DUTY_POSTIVE                (1 << 3)
 #define PWM_DUTY_NEGATIVE               (0 << 3)
+#define PWM_DUTY_MASK			(1 << 3)
 
 #define PWM_INACTIVE_POSTIVE            (1 << 4)
 #define PWM_INACTIVE_NEGATIVE           (0 << 4)
+#define PWM_INACTIVE_MASK		(1 << 4)
 
 #define PWM_OUTPUT_LEFT                 (0 << 5)
 #define PWM_OUTPUT_CENTER               (1 << 5)