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From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
To: Martin Kepplinger <martink@posteo.de>
Cc: linux-input@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/2 v2] input: touchscreen: ar1021_i2c: use BIT to check for a bit
Date: Mon, 1 May 2017 12:39:17 -0700	[thread overview]
Message-ID: <20170501193917.GC34444@dtor-ws> (raw)
In-Reply-To: <20170430193853.10958-1-martink@posteo.de>

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 <martink@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

  reply	other threads:[~2017-05-01 19:39 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-27 12:22 [PATCH 1/2] input: touchscreen: ar1021_i2c: enable touch mode during open Martin Kepplinger
2017-04-27 12:22 ` Martin Kepplinger
2017-04-27 12:22 ` [PATCH 2/2] input: touchscreen: ar1021_i2c: replace magic number with definition Martin Kepplinger
2017-04-27 12:22   ` Martin Kepplinger
2017-04-28 17:06   ` Dmitry Torokhov
2017-04-30 19:38   ` [PATCH 2/2 v2] input: touchscreen: ar1021_i2c: use BIT to check for a bit Martin Kepplinger
2017-05-01 19:39     ` Dmitry Torokhov [this message]
2017-04-28 17:02 ` [PATCH 1/2] input: touchscreen: ar1021_i2c: enable touch mode during open Dmitry Torokhov
2018-02-05 10:07 ` Christian Gmeiner
2018-02-05 10:40   ` Martin Kepplinger
2018-02-16 16:38     ` Christian Gmeiner
2018-02-06  1:20   ` Dmitry Torokhov
2018-02-16 16:46     ` Christian Gmeiner

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