return 0;
}
- static void stm32_timer_stop(struct stm32_timer_trigger *priv)
+ static void stm32_timer_stop(struct stm32_timer_trigger *priv,
+ struct iio_trigger *trig)
{
- u32 ccer, cr1;
+ u32 ccer;
regmap_read(priv->regmap, TIM_CCER, &ccer);
if (ccer & TIM_CCER_CCXE)
regmap_write(priv->regmap, TIM_PSC, 0);
regmap_write(priv->regmap, TIM_ARR, 0);
+ /* Force disable master mode */
+ if (stm32_timer_is_trgo2_name(trig->name))
+ regmap_update_bits(priv->regmap, TIM_CR2, TIM_CR2_MMS2, 0);
+ else
+ regmap_update_bits(priv->regmap, TIM_CR2, TIM_CR2_MMS, 0);
+
/* Make sure that registers are updated */
regmap_update_bits(priv->regmap, TIM_EGR, TIM_EGR_UG, TIM_EGR_UG);
+
+ if (priv->enabled) {
+ priv->enabled = false;
+ clk_disable(priv->clk);
+ }
+ mutex_unlock(&priv->lock);
}
static ssize_t stm32_tt_store_frequency(struct device *dev,