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iio: ltr501: ltr501_read_ps(): add missing endianness conversion

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commit 71b33f6f93 upstream.

The PS ADC Channel data is spread over 2 registers in little-endian
form. This patch adds the missing endianness conversion.

Fixes: 2690be9051 ("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>
This commit is contained in:
Oliver Lang
2021-06-10 15:46:18 +02:00
committed by Greg Kroah-Hartman
parent c6c3ea1d9d
commit 9efc775c28
1 changed files with 4 additions and 3 deletions
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7
drivers/iio/light/ltr501.c
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@@ -409,18 +409,19 @@ static int ltr501_read_als(const struct ltr501_data *data, __le16 buf[2])
static int ltr501_read_ps(const struct ltr501_data *data) 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); ret = ltr501_drdy(data, LTR501_STATUS_PS_RDY);
if (ret < 0) if (ret < 0)
return ret; return ret;
ret = regmap_bulk_read(data->regmap, LTR501_PS_DATA, ret = regmap_bulk_read(data->regmap, LTR501_PS_DATA,
&status, 2); &status, sizeof(status));
if (ret < 0) if (ret < 0)
return ret; return ret;
return status; return le16_to_cpu(status);
} }
static int ltr501_read_intr_prst(const struct ltr501_data *data, static int ltr501_read_intr_prst(const struct ltr501_data *data,