linux-kernel - [PATCH 4.14 022/164] iio: health: max30102: Temperature should be in milli Celsius

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Date:   Tue, 12 Dec 2017 13:43:22 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Peter Meerwald-Stadler <pmeerw@...erw.net>,
        Matt Ranostay <matt.ranostay@...sulko.com>,
        Jonathan Cameron <Jonathan.Cameron@...wei.com>
Subject: [PATCH 4.14 022/164] iio: health: max30102: Temperature should be in milli Celsius

4.14-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Peter Meerwald-Stadler <pmeerw@...erw.net>

commit ad44a9f804c1591ba2a2ec0ac8d916a515d2790c upstream.

As per ABI temperature should be in milli Celsius after scaling,
not Celsius

Note on stable cc.  This driver is breaking the standard IIO
ABI. (JC)

Signed-off-by: Peter Meerwald-Stadler <pmeerw@...erw.net>
Acked-by: Matt Ranostay <matt.ranostay@...sulko.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@...wei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/iio/health/max30102.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/iio/health/max30102.c
+++ b/drivers/iio/health/max30102.c
@@ -371,7 +371,7 @@ static int max30102_read_raw(struct iio_
 		mutex_unlock(&indio_dev->mlock);
 		break;
 	case IIO_CHAN_INFO_SCALE:
-		*val = 1;  /* 0.0625 */
+		*val = 1000;  /* 62.5 */
 		*val2 = 16;
 		ret = IIO_VAL_FRACTIONAL;
 		break;