Re: [PATCH v2 1/4] iio: adc: ad7923: Remove the unused defines

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On Tue, 2019-12-10 at 12:08 -0300, Daniel Junho wrote:
> [External]
> 
> Removes the unused define AD7923_CHANNEL_x from the code.
> 
> Signed-off-by: Daniel Junho <djunho@xxxxxxxxx>
> ---
>  drivers/iio/adc/ad7923.c | 4 ----
>  1 file changed, 4 deletions(-)
> 
> diff --git a/drivers/iio/adc/ad7923.c b/drivers/iio/adc/ad7923.c
> index 3212eb4c0f25..969c06b7d2b7 100644
> --- a/drivers/iio/adc/ad7923.c
> +++ b/drivers/iio/adc/ad7923.c
> @@ -29,10 +29,6 @@
>  #define AD7923_PM_MODE_AS	(1)		/* auto shutdown */
>  #define AD7923_PM_MODE_FS	(2)		/* full shutdown */
>  #define AD7923_PM_MODE_OPS	(3)		/* normal operation */
> -#define AD7923_CHANNEL_0	(0)		/* analog input 0 */
> -#define AD7923_CHANNEL_1	(1)		/* analog input 1 */
> -#define AD7923_CHANNEL_2	(2)		/* analog input 2 */
> -#define AD7923_CHANNEL_3	(3)		/* analog input 3 */

The fact that is not used, is not a problem really.
This can serve as a "shortcut" for the datasheet.

We can leave this as-is [1], or remove it as you do [2], or an alternative
would be [3]:
#define AD7923_CHANNEL(x)      (x)       /* analog channel input */

I don't mind either of these 3 versions ([1], [2] or [3]).

I'll leave it to Jonathan's preference.

>  #define AD7923_SEQUENCE_OFF	(0)		/* no sequence fonction
> */
>  #define AD7923_SEQUENCE_PROTECT	(2)		/* no interrupt
> write cycle */
>  #define AD7923_SEQUENCE_ON	(3)		/* continuous sequence */




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