lkml.org 
[lkml]   [2005]   [Oct]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[PATCH] Return the line length via sysfs for fbdev

This small patch returns the stride/line length of the framebuffer via
sysfs. Please apply.

Signed-off-by: James Simmons <jsimmons@infradead.org>

--- 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);
+ 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)
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
\
 
 \ /
  Last update: 2005-10-24 22:48    [W:0.037 / U:0.056 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site