summaryrefslogtreecommitdiff
path: root/drivers/counter
diff options
context:
space:
mode:
authorWilliam Breathitt Gray <vilhelm.gray@gmail.com>2021-08-27 12:47:46 +0900
committerJonathan Cameron <Jonathan.Cameron@huawei.com>2021-10-17 10:52:46 +0100
commitea434ff82649111de4fcabd76187270f8abdb63a (patch)
treeca440b651270ee950752f18bd14db5525d10c1c1 /drivers/counter
parent05593a3fd1037b5fee85d3c8c28112f19e7baa06 (diff)
counter: stm32-timer-cnt: Provide defines for slave mode selection
The STM32 timer permits configuration of the counter encoder mode via the slave mode control register (SMCR) slave mode selection (SMS) bits. This patch provides preprocessor defines for the supported encoder modes. Cc: Fabrice Gasnier <fabrice.gasnier@foss.st.com> Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com> Reviewed-by: Fabrice Gasnier <fabrice.gasnier@foss.st.com> Link: https://lore.kernel.org/r/ad3d9cd7af580d586316d368f74964cbc394f981.1630031207.git.vilhelm.gray@gmail.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers/counter')
-rw-r--r--drivers/counter/stm32-timer-cnt.c16
1 files changed, 8 insertions, 8 deletions
diff --git a/drivers/counter/stm32-timer-cnt.c b/drivers/counter/stm32-timer-cnt.c
index 3fb0debd7425..1fbc46f4ee66 100644
--- a/drivers/counter/stm32-timer-cnt.c
+++ b/drivers/counter/stm32-timer-cnt.c
@@ -93,16 +93,16 @@ static int stm32_count_function_get(struct counter_device *counter,
regmap_read(priv->regmap, TIM_SMCR, &smcr);
switch (smcr & TIM_SMCR_SMS) {
- case 0:
+ case TIM_SMCR_SMS_SLAVE_MODE_DISABLED:
*function = STM32_COUNT_SLAVE_MODE_DISABLED;
return 0;
- case 1:
+ case TIM_SMCR_SMS_ENCODER_MODE_1:
*function = STM32_COUNT_ENCODER_MODE_1;
return 0;
- case 2:
+ case TIM_SMCR_SMS_ENCODER_MODE_2:
*function = STM32_COUNT_ENCODER_MODE_2;
return 0;
- case 3:
+ case TIM_SMCR_SMS_ENCODER_MODE_3:
*function = STM32_COUNT_ENCODER_MODE_3;
return 0;
default:
@@ -119,16 +119,16 @@ static int stm32_count_function_set(struct counter_device *counter,
switch (function) {
case STM32_COUNT_SLAVE_MODE_DISABLED:
- sms = 0;
+ sms = TIM_SMCR_SMS_SLAVE_MODE_DISABLED;
break;
case STM32_COUNT_ENCODER_MODE_1:
- sms = 1;
+ sms = TIM_SMCR_SMS_ENCODER_MODE_1;
break;
case STM32_COUNT_ENCODER_MODE_2:
- sms = 2;
+ sms = TIM_SMCR_SMS_ENCODER_MODE_2;
break;
case STM32_COUNT_ENCODER_MODE_3:
- sms = 3;
+ sms = TIM_SMCR_SMS_ENCODER_MODE_3;
break;
default:
return -EINVAL;