Hi! > From: Gene Chen <gene_chen@xxxxxxxxxxx> > > Add MT6360 LED driver include 2-channel Flash LED with torch/strobe mode, > and 4-channel RGB LED support Register/Flash/Breath Mode > > Signed-off-by: Gene Chen <gene_chen@xxxxxxxxxxx> > --- > drivers/leds/Kconfig | 11 + > drivers/leds/Makefile | 1 + > drivers/leds/leds-mt6360.c | 681 +++++++++++++++++++++++++++++++++++++++++++++ > 3 files changed, 693 insertions(+) > create mode 100644 drivers/leds/leds-mt6360.c > > + help > + This option enables support for dual Flash LED drivers found on > + Mediatek MT6360 PMIC. > + Independent current sources supply for each flash LED support torch and strobe mode. > + Includes Low-VF and short protection. > + 80 columns. And perhaps user does not need to know about protections... and actually about independend sources, either. "Enable this for RGB LED and flash LED support on..."? > +static int mt6360_torch_brightness_set(struct led_classdev *lcdev, enum led_brightness level) > +{ > + struct mt6360_led *led = container_of(lcdev, struct mt6360_led, flash.led_cdev); > + struct mt6360_priv *priv = led->priv; > + u32 enable_mask = MT6360_TORCHEN_MASK | MT6360_FLCSEN_MASK(led->led_no); > + u32 val = (level) ? MT6360_FLCSEN_MASK(led->led_no) : 0; > + u32 prev = priv->fled_torch_used, curr; > + int ret; > + > + dev_dbg(lcdev->dev, "[%d] brightness %d\n", led->led_no, level); > + if (priv->fled_strobe_used) { > + dev_warn(lcdev->dev, "Please disable strobe first [%d]\n", priv->fled_strobe_used); > + return -EINVAL; > + } So... how does its userland interface look like? Best regards, Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html