On 03/11/16 12:56, Brian Masney wrote: > in_illuminance_lux_table_store() shuts down the chip, updates the > contents of the lux table, and then turns the chip back on. The values > in lux table are not used by the chip and are only used internally by > the driver. It is not necessary to change the power state on the chip. > This patch removes the calls to taos_chip_off() and taos_chip_on() > in in_illuminance_lux_table_store(). That is rather mystifying... Maybe a really odd way of locking? > > Signed-off-by: Brian Masney <masneyb@xxxxxxxxxxxxx> Applied to the togreg branch of iio.git and pushed out as testing. Thanks, Jonathan > --- > drivers/staging/iio/light/tsl2583.c | 10 ---------- > 1 file changed, 10 deletions(-) > > diff --git a/drivers/staging/iio/light/tsl2583.c b/drivers/staging/iio/light/tsl2583.c > index 7fb09c6..af1cf9b 100644 > --- a/drivers/staging/iio/light/tsl2583.c > +++ b/drivers/staging/iio/light/tsl2583.c > @@ -564,20 +564,10 @@ static ssize_t in_illuminance_lux_table_store(struct device *dev, > goto done; > } > > - if (chip->taos_chip_status == TSL258X_CHIP_WORKING) { > - ret = taos_chip_off(indio_dev); > - if (ret < 0) > - goto done; > - } > - > /* Zero out the table */ > memset(taos_device_lux, 0, sizeof(taos_device_lux)); > memcpy(taos_device_lux, &value[1], (value[0] * 4)); > > - ret = taos_chip_on(indio_dev); > - if (ret < 0) > - goto done; > - > ret = len; > > done: > -- To unsubscribe from this list: send the line "unsubscribe linux-iio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html