On 06/21/2012 07:12 PM, G.Shark Jeong wrote: > From: "G.Shark Jeong" <gshark.jeong@xxxxxxxxx> > > LM3556 : > The LM3556 is a 4 MHz fixed-frequency synchronous boost > converter plus 1.5A constant current driver for a high-current white LED. > Datasheet: www.national.com/ds/LM/LM3556.pdf > > Tested on OMAP4430 ... > +Indicator pattern example: > +pattern 0: #echo 0 > sys/class/leds/indicator/pattern > +.... > +pattern 3: #echo 3 > sys/class/leds/indicator/pattern > + > +Indicater brightness can be controlled through Indicator > +sys/class/leds/indicator/brightness file. > + > +Example: > +OFF : #echo 0 > sys/class/leds/indicator/brightness > +5.86 mA : #echo 1 > sys/class/leds/indicator/brightness > +........ > +46.875mA : #echo 8 > sys/class/leds/indicator/brightness > + > +Notes > +----- > +Driver expects it is registered using the i2c_board_info mechanism. > +Toregister the chip at address 0x63 on specific adapter, set the platform data To register > --- a/drivers/leds/Kconfig > +++ b/drivers/leds/Kconfig > @@ -415,6 +415,14 @@ config LEDS_MAX8997 > This option enables support for on-chip LED drivers on > MAXIM MAX8997 PMIC. > > +config LEDS_LM3556 > + tristate "LED support for LM3556 Chip" > + depends on LEDS_CLASS && I2C > + select REGMAP_I2C > + help > + This option enables support for LEDs connected LM3556. connected to Other than that, documentation bits Acked-by me. Rob -- GNU/Linux isn't: Linux=GPLv2, GNU=GPLv3+, they can't share code. Either it's "mere aggregation", or a license violation. Pick one. -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
