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Don't call backlight function when backlight is disabled

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This commit is contained in:
Tomas Rezucha 2021-08-11 09:48:49 +02:00
parent 1801416c13
commit 607df9ab94
3 changed files with 13 additions and 18 deletions
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7
lvgl_tft/esp_lcd_backlight.c
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@ -22,11 +22,16 @@ static const char *TAG = "disp_backlight";
disp_backlight_h disp_backlight_new(const disp_backlight_config_t *config)
{
// Check input parameters
if (config == NULL)
return NULL;
if (!GPIO_IS_VALID_OUTPUT_GPIO(config->gpio_num)) {
ESP_LOGW(TAG, "Invalid GPIO number");
return NULL;
}
disp_backlight_t *bckl_dev = calloc(1, sizeof(disp_backlight_t));
if (bckl_dev == NULL){
ESP_LOGW(TAG, "Could not create new LCD backlight instance");
ESP_LOGW(TAG, "Not enough memory");
return NULL;
}