This is a note to let you know that I've just added the patch titled
iio: ti_am335x_adc: Fix: Use same step id at FIFOs both ends
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:
iio-ti_am335x_adc-fix-use-same-step-id-at-fifos-both-ends.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 baa3c65298c089a9014b4e523a14ec2885cca1bc Mon Sep 17 00:00:00 2001
From: Jan Kardell <jan.kardell@xxxxxxxxxx>
Date: Thu, 6 Nov 2014 22:18:00 +0000
Subject: iio: ti_am335x_adc: Fix: Use same step id at FIFOs both ends
From: Jan Kardell <jan.kardell@xxxxxxxxxx>
commit baa3c65298c089a9014b4e523a14ec2885cca1bc upstream.
Since AI lines could be selected at will (linux-3.11) the sending
and receiving ends of the FIFO does not agree about what step is used
for a line. It only works if the last lines are used, like 5,6,7,
and fails if ie 2,4,6 is selected in DT.
Signed-off-by: Jan Kardell <jan.kardell@xxxxxxxxxx>
Tested-by: Zubair Lutfullah <zubair.lutfullah@xxxxxxxxx>
Signed-off-by: Jonathan Cameron <jic23@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/iio/adc/ti_am335x_adc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/iio/adc/ti_am335x_adc.c
+++ b/drivers/iio/adc/ti_am335x_adc.c
@@ -374,7 +374,7 @@ static int tiadc_read_raw(struct iio_dev
return -EAGAIN;
}
}
- map_val = chan->channel + TOTAL_CHANNELS;
+ map_val = adc_dev->channel_step[chan->scan_index];
/*
* We check the complete FIFO. We programmed just one entry but in case
Patches currently in stable-queue which might be from jan.kardell@xxxxxxxxxx are
queue-3.15/iio-ti_am335x_adc-fix-use-same-step-id-at-fifos-both-ends.patch
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