| From 71b33f6f93ef9462c84560e2236ed22209d26a58 Mon Sep 17 00:00:00 2001 |
| From: Oliver Lang <Oliver.Lang@gossenmetrawatt.com> |
| Date: Thu, 10 Jun 2021 15:46:18 +0200 |
| Subject: iio: ltr501: ltr501_read_ps(): add missing endianness conversion |
| |
| From: Oliver Lang <Oliver.Lang@gossenmetrawatt.com> |
| |
| commit 71b33f6f93ef9462c84560e2236ed22209d26a58 upstream. |
| |
| The PS ADC Channel data is spread over 2 registers in little-endian |
| form. This patch adds the missing endianness conversion. |
| |
| Fixes: 2690be905123 ("iio: Add Lite-On ltr501 ambient light / proximity sensor driver") |
| Signed-off-by: Oliver Lang <Oliver.Lang@gossenmetrawatt.com> |
| Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> |
| Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> |
| Tested-by: Nikita Travkin <nikita@trvn.ru> # ltr559 |
| Link: https://lore.kernel.org/r/20210610134619.2101372-4-mkl@pengutronix.de |
| Cc: <Stable@vger.kernel.org> |
| Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
| Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
| |
| --- |
| drivers/iio/light/ltr501.c | 7 ++++--- |
| 1 file changed, 4 insertions(+), 3 deletions(-) |
| |
| --- a/drivers/iio/light/ltr501.c |
| +++ b/drivers/iio/light/ltr501.c |
| @@ -409,18 +409,19 @@ static int ltr501_read_als(const struct |
| |
| static int ltr501_read_ps(const struct ltr501_data *data) |
| { |
| - int ret, status; |
| + __le16 status; |
| + int ret; |
| |
| ret = ltr501_drdy(data, LTR501_STATUS_PS_RDY); |
| if (ret < 0) |
| return ret; |
| |
| ret = regmap_bulk_read(data->regmap, LTR501_PS_DATA, |
| - &status, 2); |
| + &status, sizeof(status)); |
| if (ret < 0) |
| return ret; |
| |
| - return status; |
| + return le16_to_cpu(status); |
| } |
| |
| static int ltr501_read_intr_prst(const struct ltr501_data *data, |
