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fbmon: add of_videomode helpers

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Add helper to get fb_videomode from devicetree.

Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Reviewed-by: Thierry Reding <thierry.reding@avionic-design.de>
Acked-by: Thierry Reding <thierry.reding@avionic-design.de>
Tested-by: Thierry Reding <thierry.reding@avionic-design.de>
Tested-by: Philipp Zabel <p.zabel@pengutronix.de>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Tested-by: Afzal Mohammed <Afzal@ti.com>
Tested-by: Rob Clark <robclark@gmail.com>
Tested-by: Leela Krishna Amudala <leelakrishna.a@gmail.com>
This commit is contained in:
Steffen Trumtrar
2012-11-14 11:12:38 +01:00
parent 2db54c7239
commit 790890444f
2 changed files with 46 additions and 0 deletions
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4
include/linux/fb.h
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@@ -20,6 +20,7 @@ struct fb_info;
struct device;
struct file;
struct videomode;
struct device_node;
/* Definitions below are used in the parsed monitor specs */
#define FB_DPMS_ACTIVE_OFF 1
@@ -715,6 +716,9 @@ extern void fb_destroy_modedb(struct fb_videomode *modedb);
extern int fb_find_mode_cvt(struct fb_videomode *mode, int margins, int rb);
extern unsigned char *fb_ddc_read(struct i2c_adapter *adapter);
extern int of_get_fb_videomode(struct device_node *np,
struct fb_videomode *fb,
int index);
extern int fb_videomode_from_videomode(const struct videomode *vm,
struct fb_videomode *fbmode);