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The following commit(s) were added to refs/heads/master by this push:
new 2ecd2722cd2 boards/esp32s3: Increase LCD PWM frequency to reduce LCD
flicker
2ecd2722cd2 is described below
commit 2ecd2722cd2653bf41d0fdc7c4ee54fc61e2a830
Author: Huang Qi <[email protected]>
AuthorDate: Wed Oct 29 22:25:15 2025 +0800
boards/esp32s3: Increase LCD PWM frequency to reduce LCD flicker
Increase LCD PWM frequency from 100Hz to 10kHz to eliminate visible flicker
on the lckfb-szpi ESP32S3 board. The higher frequency provides smoother
backlight control and improves display visual quality.
Signed-off-by: Huang Qi <[email protected]>
---
boards/xtensa/esp32s3/lckfb-szpi-esp32s3/src/esp32s3-szpi.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/boards/xtensa/esp32s3/lckfb-szpi-esp32s3/src/esp32s3-szpi.h
b/boards/xtensa/esp32s3/lckfb-szpi-esp32s3/src/esp32s3-szpi.h
index aaa59741522..0d33c49194d 100644
--- a/boards/xtensa/esp32s3/lckfb-szpi-esp32s3/src/esp32s3-szpi.h
+++ b/boards/xtensa/esp32s3/lckfb-szpi-esp32s3/src/esp32s3-szpi.h
@@ -40,7 +40,7 @@
#define GPIO_LCD_RST (-1)
#define SZPI_LCD_CS_PATH "/dev/gpio0"
#define SZPI_LCD_PWM_PATH "/dev/pwm0"
-#define SZPI_LCD_PWM_FREQ (100)
+#define SZPI_LCD_PWM_FREQ (10000)
#define SZPI_LCD_PWM_DUTY (0xe666) /* 0x1 ~ 0xffff */
#define FT5X06_I2C_ADDRESS (0x38)
