This is a note to let you know that I've just added the patch titled
twl4030-madc: Request processed values in twl4030_get_madc_conversion
to the 3.15-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
twl4030-madc-request-processed-values-in-twl4030_get_madc_conversion.patch
and it can be found in the queue-3.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From e0326be0cded13dfc3a24cbeece1f1ae64348a0e Mon Sep 17 00:00:00 2001
From: Paul Kocialkowski <contact@xxxxxxxx>
Date: Sat, 24 May 2014 13:09:00 +0100
Subject: twl4030-madc: Request processed values in twl4030_get_madc_conversion
From: Paul Kocialkowski <contact@xxxxxxxx>
commit e0326be0cded13dfc3a24cbeece1f1ae64348a0e upstream.
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.
Signed-off-by: Paul Kocialkowski <contact@xxxxxxxx>
Acked-by: Sebastian Reichel <sre@xxxxxxxxxx>
Signed-off-by: Jonathan Cameron <jic23@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/iio/adc/twl4030-madc.c | 1 +
1 file changed, 1 insertion(+)
--- a/drivers/iio/adc/twl4030-madc.c
+++ b/drivers/iio/adc/twl4030-madc.c
@@ -645,6 +645,7 @@ int twl4030_get_madc_conversion(int chan
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)
Patches currently in stable-queue which might be from contact@xxxxxxxx are
queue-3.15/twl4030-madc-request-processed-values-in-twl4030_get_madc_conversion.patch
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