This is a note to let you know that I've just added the patch titled
staging: comedi: ssv_dnp: use comedi_dio_update_state()
to the 3.4-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:
staging-comedi-ssv_dnp-use-comedi_dio_update_state.patch
and it can be found in the queue-3.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From f6b316bcd8c421acd6fa5a6e18b4c846ecb9d965 Mon Sep 17 00:00:00 2001
From: H Hartley Sweeten <hsweeten@xxxxxxxxxxxxxxxxxxx>
Date: Fri, 30 Aug 2013 11:08:50 -0700
Subject: staging: comedi: ssv_dnp: use comedi_dio_update_state()
From: H Hartley Sweeten <hsweeten@xxxxxxxxxxxxxxxxxxx>
commit f6b316bcd8c421acd6fa5a6e18b4c846ecb9d965 upstream.
Use comedi_dio_update_state() to handle the boilerplate code to update
the subdevice s->state.
Also, fix a bug where the state of the channels is returned in data[0].
The comedi core expects it to be returned in data[1].
Signed-off-by: H Hartley Sweeten <hsweeten@xxxxxxxxxxxxxxxxxxx>
Reviewed-by: Ian Abbott <abbotti@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/staging/comedi/drivers/ssv_dnp.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
--- a/drivers/staging/comedi/drivers/ssv_dnp.c
+++ b/drivers/staging/comedi/drivers/ssv_dnp.c
@@ -251,11 +251,11 @@ static int dnp_dio_insn_bits(struct come
/* on return, data[1] contains the value of the digital input lines. */
outb(PADR, CSCIR);
- data[0] = inb(CSCDR);
+ data[1] = inb(CSCDR);
outb(PBDR, CSCIR);
- data[0] += inb(CSCDR) << 8;
+ data[1] += inb(CSCDR) << 8;
outb(PCDR, CSCIR);
- data[0] += ((inb(CSCDR) & 0xF0) << 12);
+ data[1] += ((inb(CSCDR) & 0xF0) << 12);
return 2;
Patches currently in stable-queue which might be from hsweeten@xxxxxxxxxxxxxxxxxxx are
queue-3.4/staging-comedi-ssv_dnp-use-comedi_dio_update_state.patch
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