On Fri, Apr 16, 2021 at 8:49 PM Joe Sandom <joe.g.sandom@xxxxxxxxx> wrote: > > Driver implementation for AMS/TAOS tsl2591 ambient light sensor. > > This driver supports configuration via device tree and sysfs. > Supported channels for raw infrared light intensity, > raw combined light intensity and illuminance in lux. > The driver additionally supports iio events on lower and > upper thresholds. > > This is a very-high sensitivity light-to-digital converter that > transforms light intensity into a digital signal. Hmm... It's v8 and the subject line is wrongly formatted. Please add the corresponding prefix "iio: light: ..." Otherwise it's in very good shape. ... > +/* TSL2591 enable register definitions */ > +#define TSL2591_PWR_ON 0x01 > +#define TSL2591_PWR_OFF 0x00 > +#define TSL2591_ENABLE_ALS 0x02 > +#define TSL2591_ENABLE_ALS_INT 0x10 > +#define TSL2591_ENABLE_SLEEP_INT 0x40 > +#define TSL2591_ENABLE_NP_INT 0x80 Is it a bitfield? ... > + als_lower_l = als_lower_threshold; >> 0, but it's up to you. > + als_lower_h = als_lower_threshold >> 8; ... > + als_upper_l = als_upper_threshold; > + als_upper_h = als_upper_threshold >> 8; Ditto. -- With Best Regards, Andy Shevchenko