diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/staging/iio/light/tsl2583.c | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/drivers/staging/iio/light/tsl2583.c b/drivers/staging/iio/light/tsl2583.c index 388440b4fcd7..709f44662a9f 100644 --- a/drivers/staging/iio/light/tsl2583.c +++ b/drivers/staging/iio/light/tsl2583.c @@ -143,16 +143,23 @@ static const struct gainadj gainadj[] = { */ static void taos_defaults(struct tsl2583_chip *chip) { - /* Operational parameters */ + /* + * The integration time must be a multiple of 50ms and within the + * range [50, 600] ms. + */ chip->taos_settings.als_time = 100; - /* must be a multiple of 50mS */ + + /* + * This is an index into the gainadj table. Assume clear glass as the + * default. + */ chip->taos_settings.als_gain = 0; - /* this is actually an index into the gain table */ - /* assume clear glass as default */ + + /* Default gain trim to account for aperture effects */ chip->taos_settings.als_gain_trim = 1000; - /* default gain trim to account for aperture effects */ - chip->taos_settings.als_cal_target = 130; + /* Known external ALS reading used for calibration */ + chip->taos_settings.als_cal_target = 130; } /* |
