diff options
Diffstat (limited to 'drivers/pwm/pwm-imx.c')
| -rw-r--r-- | drivers/pwm/pwm-imx.c | 32 |
1 files changed, 13 insertions, 19 deletions
diff --git a/drivers/pwm/pwm-imx.c b/drivers/pwm/pwm-imx.c index b620e502f2..8407b2f5e1 100644 --- a/drivers/pwm/pwm-imx.c +++ b/drivers/pwm/pwm-imx.c @@ -155,37 +155,31 @@ static void imx_pwm_set_enable_v2(struct pwm_chip *chip, bool enable) writel(val, imx->mmio_base + MX3_PWMCR); } -static int imx_pwm_config(struct pwm_chip *chip, - int duty_ns, int period_ns) +static int imx_pwm_apply(struct pwm_chip *chip, const struct pwm_state *state) { struct imx_chip *imx = to_imx_chip(chip); + bool enabled; int ret; - ret = imx->config(chip, duty_ns, period_ns); + enabled = chip->state.p_enable; - return ret; -} + if (enabled && !state->p_enable) { + imx->set_enable(chip, false); + return 0; + } -static int imx_pwm_enable(struct pwm_chip *chip) -{ - struct imx_chip *imx = to_imx_chip(chip); + ret = imx->config(chip, state->duty_ns, state->period_ns); + if (ret) + return ret; - imx->set_enable(chip, true); + if (!enabled && state->p_enable) + imx->set_enable(chip, true); return 0; } -static void imx_pwm_disable(struct pwm_chip *chip) -{ - struct imx_chip *imx = to_imx_chip(chip); - - imx->set_enable(chip, false); -} - static struct pwm_ops imx_pwm_ops = { - .enable = imx_pwm_enable, - .disable = imx_pwm_disable, - .config = imx_pwm_config, + .apply = imx_pwm_apply, }; struct imx_pwm_data { |