Re: [PATCH 2/2 v2] input: touchscreen: ar1021_i2c: use BIT to check for a bit

[Dmitry Torokhov]

On Sun, Apr 30, 2017 at 09:38:53PM +0200, Martin Kepplinger wrote:
> The MSB for the first byte of touch data transmission is always 1. Make
> it a little more obvious we're testing this bit by using BIT(7).
> 
> Signed-off-by: Martin Kepplinger <mart...@posteo.de>

Applied, thank you.

> ---
> 
> I'd still use the definition :) but otherwise I'd write the following.
> It really doesn't matter though.
> 
> thanks for the quick support Dmitry,
> 
>                     martin
> 
> 
>  drivers/input/touchscreen/ar1021_i2c.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/input/touchscreen/ar1021_i2c.c 
> b/drivers/input/touchscreen/ar1021_i2c.c
> index eb1874fe52c2..8c76aa435903 100644
> --- a/drivers/input/touchscreen/ar1021_i2c.c
> +++ b/drivers/input/touchscreen/ar1021_i2c.c
> @@ -44,7 +44,7 @@ static irqreturn_t ar1021_i2c_irq(int irq, void *dev_id)
>               goto out;
>  
>       /* sync bit set ? */
> -     if ((data[0] & 0x80) == 0)
> +     if (!(data[0] & BIT(7)))
>               goto out;
>  
>       button = data[0] & BIT(0);
> -- 
> 2.11.0
> 

-- 
Dmitry