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feat(lcd): add brightness control for LCD panels

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Merges https://github.com/espressif/esp-idf/pull/18273
Closes https://github.com/espressif/esp-idf/issues/16230
This commit is contained in:
Ldab
2026-03-02 11:41:15 +08:00
committed by morris
parent 272e620c62
commit be86acace7
4 changed files with 43 additions and 0 deletions
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components/esp_lcd/interface/esp_lcd_panel_interface.h
+11
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@@ -131,6 +131,17 @@ struct esp_lcd_panel_t {
*/
esp_err_t (*disp_sleep)(esp_lcd_panel_t *panel, bool sleep);
/**
* @brief Set the brightness of the display
*
* @param[in] panel LCD panel handle, which is created by other factory API like `esp_lcd_new_panel_st7789()`
* @param[in] brightness Brightness value (range depends on panel implementation, typically 0-255, 0-1023, or 0-100)
* @return
* - ESP_OK on success
* - ESP_ERR_NOT_SUPPORTED if this function is not supported by the panel
*/
esp_err_t (*set_brightness)(esp_lcd_panel_t *panel, int brightness);
void *user_data; /*!< User data, used to store externally customized data */
};