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pwm: twl: Really disable twl6030 PWMs 

Current twl6030_pwm_disable() implementation writes TWL6030_TOGGLE3_REG
twice, the second write sets TWL6030_PWMXEN bits so the PWM clock does
not disable.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
hifive-unleashed-5.1
Axel Lin 2014-04-09 17:21:26 +08:00 committed by Thierry Reding
parent 89c0339e0a
commit 9c88669c2c
1 changed files with 0 additions and 8 deletions
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8
drivers/pwm/pwm-twl.c
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@ -263,14 +263,6 @@ static void twl6030_pwm_disable(struct pwm_chip *chip, struct pwm_device *pwm)
val |= TWL6030_PWM_TOGGLE(pwm->hwpwm, TWL6030_PWMXR);
val &= ~TWL6030_PWM_TOGGLE(pwm->hwpwm, TWL6030_PWMXS | TWL6030_PWMXEN);
ret = twl_i2c_write_u8(TWL6030_MODULE_ID1, val, TWL6030_TOGGLE3_REG);
if (ret < 0) {
dev_err(chip->dev, "%s: Failed to read TOGGLE3\n", pwm->label);
goto out;
}
val |= TWL6030_PWM_TOGGLE(pwm->hwpwm, TWL6030_PWMXS | TWL6030_PWMXEN);
ret = twl_i2c_write_u8(TWL6030_MODULE_ID1, val, TWL6030_TOGGLE3_REG);
if (ret < 0) {
dev_err(chip->dev, "%s: Failed to disable PWM\n", pwm->label);