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From: Tomi Valkeinen <tomi.valkeinen@ti.com>
To: "Thomas Niederprüm" <niederp@physik.uni-kl.de>,
	plagnioj@jcrosoft.com, maxime.ripard@free-electrons.com,
	kernel@pengutronix.de, dan.carpenter@oracle.com,
	prabhakar.csengg@gmail.com
Cc: linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] fbdev: ssd1307fb: fix logical error
Date: Tue, 26 May 2015 07:02:45 +0000	[thread overview]
Message-ID: <55641A95.1010102@ti.com> (raw)
In-Reply-To: <1432582161-14684-1-git-send-email-niederp@physik.uni-kl.de>

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On 25/05/15 22:29, Thomas Niederprüm wrote:
> The logical not needs to be done after the bit masking.
> 
> Fixes: a3998fe03e87 ("fbdev: ssd1307fb: Unify init code and obtain
> hw specific bits from DT")
> 
> Signed-off-by: Thomas Niederprüm <niederp@physik.uni-kl.de>
> Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
> ---
>  drivers/video/fbdev/ssd1307fb.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/video/fbdev/ssd1307fb.c b/drivers/video/fbdev/ssd1307fb.c
> index 8fc224c..9771d56 100644
> --- a/drivers/video/fbdev/ssd1307fb.c
> +++ b/drivers/video/fbdev/ssd1307fb.c
> @@ -368,7 +368,7 @@ static int ssd1307fb_init(struct ssd1307fb_par *par)
>  	if (ret < 0)
>  		return ret;
>  
> -	compins = 0x02 | (!par->com_seq & 0x1) << 4
> +	compins = 0x02 | !(par->com_seq & 0x1) << 4
>  				   | (par->com_lrremap & 0x1) << 5;
>  	ret = ssd1307fb_write_cmd(par->client, compins);
>  	if (ret < 0)
> 

Thanks, queued for 4.2.

 Tomi


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      reply	other threads:[~2015-05-26  7:02 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-05-25 19:29 [PATCH] fbdev: ssd1307fb: fix logical error Thomas Niederprüm
2015-05-26  7:02 ` Tomi Valkeinen [this message]

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