staging: iio: tsl2x7x_core: fix proximity treshold

commit c404618cd06dad771495fe1cf9d5a63b5664f65f upstream.

Consider high byte of proximity min and max treshold in function
'tsl2x7x_chip_on'. So far, the high byte was not set.

Signed-off-by: Mario Schuknecht <mario.schuknecht@dresearch-fe.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/iio/light/tsl2x7x_core.c b/drivers/staging/iio/light/tsl2x7x_core.c
index 1e53808..ce1e74e 100644 (file)
--- a/drivers/staging/iio/light/tsl2x7x_core.c
+++ b/drivers/staging/iio/light/tsl2x7x_core.c
@@ -667,9 +667,13 @@ static int tsl2x7x_chip_on(struct iio_dev *indio_dev)
        chip->tsl2x7x_config[TSL2X7X_PRX_COUNT] =
                        chip->tsl2x7x_settings.prox_pulse_count;
        chip->tsl2x7x_config[TSL2X7X_PRX_MINTHRESHLO] =
-       chip->tsl2x7x_settings.prox_thres_low;
+                       (chip->tsl2x7x_settings.prox_thres_low) & 0xFF;
+       chip->tsl2x7x_config[TSL2X7X_PRX_MINTHRESHHI] =
+                       (chip->tsl2x7x_settings.prox_thres_low >> 8) & 0xFF;
        chip->tsl2x7x_config[TSL2X7X_PRX_MAXTHRESHLO] =
-                       chip->tsl2x7x_settings.prox_thres_high;
+                       (chip->tsl2x7x_settings.prox_thres_high) & 0xFF;
+       chip->tsl2x7x_config[TSL2X7X_PRX_MAXTHRESHHI] =
+                       (chip->tsl2x7x_settings.prox_thres_high >> 8) & 0xFF;
 
        /* and make sure we're not already on */
        if (chip->tsl2x7x_chip_status == TSL2X7X_CHIP_WORKING) {