On 10/22/2013 03:24 PM, Thierry Reding wrote: > On Fri, Oct 18, 2013 at 12:48:12PM +0800, Mark Zhang wrote: [...] >>> >> >> Okay, I just want to set the "notify" function pointer in "struct >> platform_pwm_backlight_data", because I want to tune the brightness >> value before the pwm-bl sets the brightness to hardware. I don't know >> how to do that, unless we define the platform data explicitly. > > Okay, my question should have been what you need the functions for and > why you think you need them. > If I understanding you correctly, I suppose I've said that: "because I want to tune the brightness value before the pwm-bl sets the brightness to hardware". Mark > Thierry > -- To unsubscribe from this list: send the line "unsubscribe linux-fbdev" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html