Messages in this thread | | | Date | Fri, 21 Dec 2012 14:28:45 -0800 | From | Andrew Morton <> | Subject | Re: [PATCH v2 2/2] backlight: add new lp8788 backlight driver |
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On Fri, 21 Dec 2012 07:55:23 +0000 "Kim, Milo" <Milo.Kim@ti.com> wrote:
> TI LP8788 PMU supports regulators, battery charger, RTC, ADC, backlight driver > and current sinks. > This patch enables LP8788 backlight module. > > (Brightness mode) > The brightness is controlled by PWM input or I2C register. > All modes are supported in the driver. > > (Platform data) > Configurable data can be defined in the platform side. > name : backlight driver name. (default: "lcd-backlight") > initial_brightness : initial value of backlight brightness > bl_mode : brightness control by PWM or lp8788 register > dim_mode : dimming mode selection > full_scale : full scale current setting > rise_time : brightness ramp up step time > fall_time : brightness ramp down step time > pwm_pol : PWM polarity setting when bl_mode is PWM based > period_ns : platform specific PWM period value. unit is nano.
There's also
DEVICE_ATTR(bl_ctl_mode, S_IRUGO, lp8788_get_bl_ctl_mode, NULL);
which isn't documented anywhere?
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