diff options
Diffstat (limited to 'drivers/counter/stm32-lptimer-cnt.c')
| -rw-r--r-- | drivers/counter/stm32-lptimer-cnt.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/drivers/counter/stm32-lptimer-cnt.c b/drivers/counter/stm32-lptimer-cnt.c index c19d998df5ba..13656957c45f 100644 --- a/drivers/counter/stm32-lptimer-cnt.c +++ b/drivers/counter/stm32-lptimer-cnt.c @@ -134,9 +134,9 @@ enum stm32_lptim_cnt_function { STM32_LPTIM_ENCODER_BOTH_EDGE, }; -static const enum counter_count_function stm32_lptim_cnt_functions[] = { - [STM32_LPTIM_COUNTER_INCREASE] = COUNTER_COUNT_FUNCTION_INCREASE, - [STM32_LPTIM_ENCODER_BOTH_EDGE] = COUNTER_COUNT_FUNCTION_QUADRATURE_X4, +static const enum counter_function stm32_lptim_cnt_functions[] = { + [STM32_LPTIM_COUNTER_INCREASE] = COUNTER_FUNCTION_INCREASE, + [STM32_LPTIM_ENCODER_BOTH_EDGE] = COUNTER_FUNCTION_QUADRATURE_X4, }; enum stm32_lptim_synapse_action { @@ -206,9 +206,10 @@ static int stm32_lptim_cnt_function_set(struct counter_device *counter, priv->quadrature_mode = 1; priv->polarity = STM32_LPTIM_SYNAPSE_ACTION_BOTH_EDGES; return 0; + default: + /* should never reach this path */ + return -EINVAL; } - - return -EINVAL; } static ssize_t stm32_lptim_cnt_enable_read(struct counter_device *counter, @@ -282,7 +283,7 @@ static ssize_t stm32_lptim_cnt_ceiling_write(struct counter_device *counter, return ret; if (ceiling > STM32_LPTIM_MAX_ARR) - return -EINVAL; + return -ERANGE; priv->ceiling = ceiling; @@ -326,9 +327,10 @@ static int stm32_lptim_cnt_action_get(struct counter_device *counter, case STM32_LPTIM_ENCODER_BOTH_EDGE: *action = priv->polarity; return 0; + default: + /* should never reach this path */ + return -EINVAL; } - - return -EINVAL; } static int stm32_lptim_cnt_action_set(struct counter_device *counter, |