On Sat, 3 Mar 2018 20:49:41 -0500 Brian Masney <masneyb@xxxxxxxxxxxxx> wrote: > The tsl2771 and tmd2771 devices create the > in_proximity0_calibscale_available sysfs attribute. These two particular > devices do not support changing the proximity gain value on the > chip so this patch removes that sysfs attribute. As expected, these two > devices already did not create the IIO_CHAN_INFO_CALIBSCALE channel and > proximity0_calibrate sysfs attribute. > > Page 38 of the tsl2772 data sheet shows that the proximity gain can be > adjusted with bits 2-3 on the control register: > https://ams.com/eng/content/download/291503/1066377/file/TSL2772_DS000181_2-00.pdf > > Page 35 of the tsl2771 and tmd2771 data sheets shows that bits 2-3 on > the control register are reserved and changing the proximity gain is > not supported: > https://ams.com/eng/content/download/250264/976045/file/TSL2771_DS000105_3-00.pdf > https://ams.com/eng/content/download/250283/976077/file/TMD2771_DS000177_2-00.pdf > > Signed-off-by: Brian Masney <masneyb@xxxxxxxxxxxxx> This one applied without the previous so I have done so. Applied. Thanks, Jonathan > --- > drivers/staging/iio/light/tsl2x7x.c | 1 - > 1 file changed, 1 deletion(-) > > diff --git a/drivers/staging/iio/light/tsl2x7x.c b/drivers/staging/iio/light/tsl2x7x.c > index fb91c46c8747..8c29a52153c1 100644 > --- a/drivers/staging/iio/light/tsl2x7x.c > +++ b/drivers/staging/iio/light/tsl2x7x.c > @@ -1477,7 +1477,6 @@ static struct attribute *tsl2x7x_ALSPRX_device_attrs[] = { > &dev_attr_in_illuminance0_target_input.attr, > &dev_attr_in_illuminance0_calibrate.attr, > &dev_attr_in_illuminance0_lux_table.attr, > - &iio_const_attr_in_proximity0_calibscale_available.dev_attr.attr, > NULL > }; > -- 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
