Re: [PATCH v2 01/17] staging:iio:adc:ad7280a: Fix handing of device address bit reversing.

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On 12/05, Jonathan Cameron wrote:
> From: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>
> 
> The bit reversal was wrong for bits 1 and 3 of the 5 bits.
> Result is driver failure to probe if you have more than 2 daisy-chained
> devices.  Discovered via QEMU based device emulation.
> 
> Fixes tag is for when this moved from a macro to a function, but it
> was broken before that.
> 
> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>
Reviewed-by: Marcelo Schmitt <marcelo.schmitt1@xxxxxxxxx>

> Fixes: 065a7c0b1fec ("Staging: iio: adc: ad7280a.c: Fixed Macro argument reuse")
> ---
>  drivers/staging/iio/adc/ad7280a.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/staging/iio/adc/ad7280a.c b/drivers/staging/iio/adc/ad7280a.c
> index fef0055b8990..20183b2ea127 100644
> --- a/drivers/staging/iio/adc/ad7280a.c
> +++ b/drivers/staging/iio/adc/ad7280a.c
> @@ -107,9 +107,9 @@
>  static unsigned int ad7280a_devaddr(unsigned int addr)
>  {
>  	return ((addr & 0x1) << 4) |
> -	       ((addr & 0x2) << 3) |
> +	       ((addr & 0x2) << 2) |
>  	       (addr & 0x4) |
> -	       ((addr & 0x8) >> 3) |
> +	       ((addr & 0x8) >> 2) |
>  	       ((addr & 0x10) >> 4);
>  }
>  
> -- 
> 2.34.1
> 



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