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pwm: rockchip: Make pwm polarity to be configured correctly

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If pwm polarity was configured with different values at uboot,
the enable_conf would not be configured correctly.

Change-Id: I55b9ccc262382951a8a82810f1be74ce9460f266
Signed-off-by: Zhou weixin <zwx@rock-chips.com>
This commit is contained in:
Zhou weixin 2016-08-17 10:18:30 +08:00 committed by Huang, Tao
parent 5aa50a28af
commit 487c53d3b9
1 changed files with 1 additions and 0 deletions
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1
drivers/pwm/pwm-rockchip.c
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@ -89,6 +89,7 @@ static void rockchip_pwm_set_enable_v2(struct pwm_chip *chip,
enable_conf |= PWM_DUTY_POSITIVE | PWM_INACTIVE_NEGATIVE;
val = readl_relaxed(pc->base + pc->data->regs.ctrl);
val &= ~(GENMASK(5, 0) | BIT(8));
if (enable)
val |= enable_conf;