From e0326be0cded13dfc3a24cbeece1f1ae64348a0e Mon Sep 17 00:00:00 2001
From: Paul Kocialkowski <contact@paulk.fr>
Date: Sat, 24 May 2014 13:09:00 +0100
Subject: [PATCH] twl4030-madc: Request processed values in
 twl4030_get_madc_conversion

Not setting the raw parameter in the request causes it to be randomly
initialized to a value that might be different from zero or zero. This leads to
values that are randomly either raw or processed, making it very difficult to
make reliable use of the values.

Cc: Stable@vger.kernel.org
Signed-off-by: Paul Kocialkowski <contact@paulk.fr>
Acked-by: Sebastian Reichel <sre@kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
---
 drivers/iio/adc/twl4030-madc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/iio/adc/twl4030-madc.c b/drivers/iio/adc/twl4030-madc.c
index 7de1c4c879423..eb86786e698ea 100644
--- a/drivers/iio/adc/twl4030-madc.c
+++ b/drivers/iio/adc/twl4030-madc.c
@@ -645,6 +645,7 @@ int twl4030_get_madc_conversion(int channel_no)
 	req.channels = (1 << channel_no);
 	req.method = TWL4030_MADC_SW2;
 	req.active = 0;
+	req.raw = 0;
 	req.func_cb = NULL;
 	ret = twl4030_madc_conversion(&req);
 	if (ret < 0)