On Mon, May 21, 2018 at 9:09 PM, Dan Murphy <dmurphy@xxxxxx> wrote: > Introduce the family of LED devices that can > drive a torch, strobe or IR LED. > > The LED driver can be configured with a strobe > timer to execute a strobe flash. The IR LED > brightness is controlled via the torch brightness > register. > > The data sheet for each the LM36010 and LM36011 > LED drivers can be found here: > http://www.ti.com/product/LM36010 > http://www.ti.com/product/LM36011 Thanks for an update. My comments below. > +config LEDS_LM3601X > + tristate "LED support for LM3601x Chips" > + depends on LEDS_CLASS && I2C && OF Now OF here is superfluous. > + depends on LEDS_CLASS_FLASH > + select REGMAP_I2C > + help > + This option enables support for the TI LM3601x family > + of flash, torch and indicator classes. > +#define LM3601X_TIMEOUT_MASK 0x1e > +#define LM3601X_ENABLE_MASK 0x03 I dunno if GENMASK() will be better here. > +#define LM3601X_LOWER_STEP_US 40000 > +#define LM3601X_UPPER_STEP_US 200000 > +#define LM3601X_MIN_TIMEOUT_US 40000 > +#define LM3601X_MAX_TIMEOUT_US 1600000 > +#define LM3601X_TIMEOUT_XOVER 400000 Missed unit? > + ret = regmap_update_bits(led->regmap, LM3601X_ENABLE_REG, > + LM3601X_MODE_TORCH | LM3601X_MODE_IR_DRV, > + led_mode_val); > + ret = regmap_update_bits(led->regmap, LM3601X_ENABLE_REG, > + LM3601X_MODE_TORCH | LM3601X_MODE_IR_DRV, > + LM3601X_MODE_STROBE); Perhaps #define ..._MODE_TORCH_WITH_IR (..._TOCRH | ..._IR_DRV) ? > +static int lm3601x_probe(struct i2c_client *client, > + const struct i2c_device_id *id) > +{ > + struct lm3601x_led *led; > + int err; > + err = lm3601x_parse_node(led, client->dev.of_node); > + if (err < 0) > + return -ENODEV; Shouldn't be return err; ? > + err = lm3601x_register_leds(led); > + > + return err; I will leave this to maintainers since you seems have strong objections against more or less standard pattern, i.e. return lm3601x_register_leds(); > +} -- With Best Regards, Andy Shevchenko -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html