diff mbox series

[2/4] iio: ltr501: ltr559: fix initialization of LTR501_ALS_CONTR

Message ID 20210610125358.2096497-3-mkl@pengutronix.de (mailing list archive)
State Superseded
Headers show
Series [1/4] iio: ltr501: mark register holding upper 8 bits of ALS_DATA{0,1} and PS_DATA as volatile, too | expand

Commit Message

Marc Kleine-Budde June 10, 2021, 12:53 p.m. UTC 
From: Oliver Lang <Oliver.Lang@gossenmetrawatt.com>

The ltr559 chip uses only the lowest bit of the ALS_CONTR register to
configure between active and stand-by mode. In the original driver
BIT(1) is used, which does a software reset instead.

This patch fixes the problem by using BIT(0) as als_mode_active for
the ltr559 chip.

Fixes: 8592a7eefa54 ("iio: ltr501: Add support for ltr559 chip")
Signed-off-by: Oliver Lang <Oliver.Lang@gossenmetrawatt.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
---
 drivers/iio/light/ltr501.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/iio/light/ltr501.c b/drivers/iio/light/ltr501.c
index 0ed3392a33cf..79898b72fe73 100644
--- a/drivers/iio/light/ltr501.c
+++ b/drivers/iio/light/ltr501.c
@@ -1208,7 +1208,7 @@  static struct ltr501_chip_info ltr501_chip_info_tbl[] = {
 		.als_gain_tbl_size = ARRAY_SIZE(ltr559_als_gain_tbl),
 		.ps_gain = ltr559_ps_gain_tbl,
 		.ps_gain_tbl_size = ARRAY_SIZE(ltr559_ps_gain_tbl),
-		.als_mode_active = BIT(1),
+		.als_mode_active = BIT(0),
 		.als_gain_mask = BIT(2) | BIT(3) | BIT(4),
 		.als_gain_shift = 2,
 		.info = &ltr501_info,