linux-kernel - [PATCH 3.10 193/319] iio: accel: kxsd9: Fix raw read return

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Message-Id: <1486322541-8206-94-git-send-email-w@1wt.eu>
Date:   Sun,  5 Feb 2017 20:20:15 +0100
From:   Willy Tarreau <w@....eu>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        linux@...ck-us.net
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Jonathan Cameron <jic23@...nel.org>, Willy Tarreau <w@....eu>
Subject: [PATCH 3.10 193/319] iio: accel: kxsd9: Fix raw read return

From: Linus Walleij <linus.walleij@...aro.org>

commit 7ac61a062f3147dc23e3f12b9dfe7c4dd35f9cb8 upstream.

Any readings from the raw interface of the KXSD9 driver will
return an empty string, because it does not return
IIO_VAL_INT but rather some random value from the accelerometer
to the caller.

Signed-off-by: Linus Walleij <linus.walleij@...aro.org>
Signed-off-by: Jonathan Cameron <jic23@...nel.org>
Signed-off-by: Willy Tarreau <w@....eu>
---
 drivers/iio/accel/kxsd9.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/iio/accel/kxsd9.c b/drivers/iio/accel/kxsd9.c
index a22c427..d94c0ca 100644
--- a/drivers/iio/accel/kxsd9.c
+++ b/drivers/iio/accel/kxsd9.c
@@ -160,6 +160,7 @@ static int kxsd9_read_raw(struct iio_dev *indio_dev,
 		if (ret < 0)
 			goto error_ret;
 		*val = ret;
+		ret = IIO_VAL_INT;
 		break;
 	case IIO_CHAN_INFO_SCALE:
 		ret = spi_w8r8(st->us, KXSD9_READ(KXSD9_REG_CTRL_C));
-- 
2.8.0.rc2.1.gbe9624a