Re: [PATCH stable] staging: comedi: ssv_dnp: correct insn_bits result

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On Thu, Dec 12, 2013 at 11:32:19AM +0000, Ian Abbott wrote:
> follow f6b316bcd8c421acd6fa5a6e18b4c846ecb9d965

Thank you Ian, I'm doing a cherry-pick on this commit for the 3.11.

Cheers,
--
Luis

> 
> [Split from original patch subject: "staging: comedi: ssv_dnp: use
> comedi_dio_update_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: Ian Abbott <abbotti@xxxxxxxxx>
> ---
> Applies to all stable kernels from 2.6.32.y to 3.12.y
> ---
>  drivers/staging/comedi/drivers/ssv_dnp.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/staging/comedi/drivers/ssv_dnp.c b/drivers/staging/comedi/drivers/ssv_dnp.c
> index 11758a5..0e687de 100644
> --- a/drivers/staging/comedi/drivers/ssv_dnp.c
> +++ b/drivers/staging/comedi/drivers/ssv_dnp.c
> @@ -83,11 +83,11 @@ static int dnp_dio_insn_bits(struct comedi_device *dev,
>  
>  	/* 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 insn->n;
>  
> -- 
> 1.8.4.4
> 
> --
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