LCD_BL_PWM
时间: 2023-08-07 09:05:35 浏览: 339
LCD,PWM,键盘
LCD_BL_PWM是用于控制LCD背光的PWM信号。在代码中,可以看到在mdss_dsi_panel_bklt_pwm函数中,通过调用pwm_config_us函数来配置PWM的占空比和周期,从而控制背光的亮度。当level为0时,会调用pwm_disable函数来停止PWM输出,从而关闭背光。而当level不为0时,会根据具体的逻辑来配置PWM的占空比和周期,从而调节背光的亮度。\[1\]\[3\]
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