Re: Get the line length from sysfs.

[Kronos <kronos@people.it>]

Il Wed, Sep 21, 2005 at 10:03:29PM +0100, James Simmons ha scritto: 
> --- linus-2.6/drivers/video/fbsysfs.c	2005-07-31 15:45:22.000000000 -0700
> +++ fbdev-2.6/drivers/video/fbsysfs.c	2005-09-21 13:54:02.000000000 -0700
> @@ -242,6 +242,13 @@
>  			fb_info->var.yres_virtual);
>  }
>  
> +static ssize_t show_stride(struct class_device *class_device, char *buf)
> +{
> +	struct fb_info *fb_info =
> +		(struct fb_info *)class_get_devdata(class_device);

class_get_devdata returns a void*, you can remove the cast and use just
one line :)

> +	return snprintf(buf, PAGE_SIZE, "%d\n", fb_info->fix.line_length);
> +}
> +
>  /* Format for cmap is "%02x%c%4x%4x%4x\n" */
>  /* %02x entry %c transp %4x red %4x blue %4x green \n */
>  /* 256 rows at 16 chars equals 4096, the normal page size */
> @@ -432,6 +439,7 @@
>  	__ATTR(pan, S_IRUGO|S_IWUSR, show_pan, store_pan),
>  	__ATTR(virtual_size, S_IRUGO|S_IWUSR, show_virtual, store_virtual),
>  	__ATTR(name, S_IRUGO, show_name, NULL),
> +	__ATTR(stride, S_IRUGO, show_stride, NULL),
>  };
>  
>  int fb_init_class_device(struct fb_info *fb_info)


Luca
-- 
Home: http://kronoz.cjb.net
Se non puoi convincerli, confondili.


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