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drivers: pwm: esp32: rename internal channel to avoid redeclaration

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Unifying the method signature introduced a redeclaration of variables,
fixes redeclaration of variables by renaming the inner ones

Signed-off-by: Michael Schmitz <michaelschmitz@live.de>
This commit is contained in:
Michael Schmitz 2022-05-23 10:09:36 +02:00 • committed by Carles Cufí
commit 043a31a1c6
1 changed files with 14 additions and 14 deletions
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28
drivers/pwm/pwm_led_esp32.c
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@ -299,7 +299,7 @@ static int pwm_led_esp32_set_cycles(const struct device *dev, uint32_t channel,
uint32_t pulse_cycles, pwm_flags_t flags)
{
int speed_mode;
int channel;
int configured_channel;
int timer;
int ret;
const struct pwm_led_esp32_config * const config =
@ -312,18 +312,18 @@ static int pwm_led_esp32_set_cycles(const struct device *dev, uint32_t channel,
return -ENOTSUP;
}
channel = pwm_led_esp32_get_gpio_config(channel, config->ch_cfg);
if (channel < 0) {
configured_channel = pwm_led_esp32_get_gpio_config(channel, config->ch_cfg);
if (configured_channel < 0) {
return -EINVAL;
}
speed_mode = channel < 8 ? PWM_LED_ESP32_HIGH_SPEED :
speed_mode = configured_channel < 8 ? PWM_LED_ESP32_HIGH_SPEED :
PWM_LED_ESP32_LOW_SPEED;
timer = config->ch_cfg[channel].timer;
timer = config->ch_cfg[configured_channel].timer;
/* Now we know which speed_mode and timer is set, then we will convert
* the channel number from (0 - 15) to (0 - 7).
*/
channel %= 8;
configured_channel %= 8;
/* Enable peripheral */
set_mask32(DPORT_LEDC_CLK_EN, DPORT_PERIP_CLK_EN_REG);
@ -338,12 +338,12 @@ static int pwm_led_esp32_set_cycles(const struct device *dev, uint32_t channel,
}
/* Set channel */
ret = pwm_led_esp32_channel_set(channel, speed_mode, channel, 0, timer);
ret = pwm_led_esp32_channel_set(channel, speed_mode, configured_channel, 0, timer);
if (ret < 0) {
return ret;
}
pwm_led_esp32_duty_set(speed_mode, channel, pulse_cycles);
pwm_led_esp32_update_duty(speed_mode, channel);
pwm_led_esp32_duty_set(speed_mode, configured_channel, pulse_cycles);
pwm_led_esp32_update_duty(speed_mode, configured_channel);
return ret;
}
@ -352,20 +352,20 @@ static int pwm_led_esp32_get_cycles_per_sec(const struct device *dev,
uint32_t channel, uint64_t *cycles)
{
const struct pwm_led_esp32_config *config;
int channel;
int configured_channel;
int timer;
int speed_mode;
config = (const struct pwm_led_esp32_config *) dev->config;
channel = pwm_led_esp32_get_gpio_config(channel, config->ch_cfg);
if (channel < 0) {
configured_channel = pwm_led_esp32_get_gpio_config(channel, config->ch_cfg);
if (configured_channel < 0) {
return -EINVAL;
}
speed_mode = channel < 8 ? PWM_LED_ESP32_HIGH_SPEED :
speed_mode = configured_channel < 8 ? PWM_LED_ESP32_HIGH_SPEED :
PWM_LED_ESP32_LOW_SPEED;
timer = config->ch_cfg[channel].timer;
timer = config->ch_cfg[configured_channel].timer;
*cycles = config->timer_cfg[speed_mode][timer].freq;