Hi Steffen,
On Tue, Dec 18, 2012 at 22:34:14, Steffen Trumtrar wrote:
> Add helper to get fb_videomode from devicetree.
> drivers/video/fbmon.c | 42 ++++++++++++++++++++++++++++++++++++++++++
> include/linux/fb.h | 4 ++++
This breaks DaVinci (da8xx_omapl_defconfig), following change was
required to get it build if OF_VIDEOMODE or/and FB_MODE_HELPERS
is not defined. There may be better solutions, following was the
one that was used by me to test this series.
---8<----------
diff --git a/include/linux/fb.h b/include/linux/fb.h
index 58b9860..0ce30d1 100644
--- a/include/linux/fb.h
+++ b/include/linux/fb.h
@@ -716,9 +716,19 @@ 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);
+#if defined(CONFIG_OF_VIDEOMODE) && defined(CONFIG_FB_MODE_HELPERS)
extern int of_get_fb_videomode(struct device_node *np,
struct fb_videomode *fb,
int index);
+#else
+static inline int of_get_fb_videomode(struct device_node *np,
+ struct fb_videomode *fb,
+ int index)
+{
+ return -EINVAL;
+}
+#endif
+
extern int fb_videomode_from_videomode(const struct videomode *vm,
struct fb_videomode *fbmode);
---8<----------
> +#if IS_ENABLED(CONFIG_OF_VIDEOMODE)
As _OF_VIDEOMODE is a bool type CONFIG, isn't,
#ifdef CONFIG_OF_VIDEOMODE
sufficient ?
Regards
Afzal
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