[U-Boot] [PATCH v2 09/14] dm: stdio: video: Plumb the video uclass into stdio

Simon Glass sjg at chromium.org
Tue Jan 19 03:52:23 CET 2016


Register video drivers with stdio so that they can be used for text output.
This needs to be done explicitly for now. At some point we should be able to
convert stdio itself to driver model and avoid this step.

Signed-off-by: Simon Glass <sjg at chromium.org>
Acked-by: Anatolij Gustschin <agust at denx.de>
---

Changes in v2: None

 common/stdio.c | 19 +++++++++++++++----
 1 file changed, 15 insertions(+), 4 deletions(-)

diff --git a/common/stdio.c b/common/stdio.c
index 8311ac7..7252bab 100644
--- a/common/stdio.c
+++ b/common/stdio.c
@@ -281,12 +281,23 @@ int stdio_add_devices(void)
 	i2c_init (CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
 #endif
 #endif
-#ifdef CONFIG_LCD
+#ifdef CONFIG_DM_VIDEO
+	struct udevice *vdev;
+
+	for (ret = uclass_first_device(UCLASS_VIDEO, &vdev);
+	     vdev;
+	     ret = uclass_next_device(&vdev))
+		;
+	if (ret)
+		printf("%s: Video device failed (ret=%d)\n", __func__, ret);
+#else
+# if defined(CONFIG_LCD)
 	drv_lcd_init ();
-#endif
-#if defined(CONFIG_VIDEO) || defined(CONFIG_CFB_CONSOLE)
+# endif
+# if defined(CONFIG_VIDEO) || defined(CONFIG_CFB_CONSOLE)
 	drv_video_init ();
-#endif
+# endif
+#endif /* CONFIG_DM_VIDEO */
 #if defined(CONFIG_KEYBOARD) && !defined(CONFIG_DM_KEYBOARD)
 	drv_keyboard_init ();
 #endif
-- 
2.6.0.rc2.230.g3dd15c0



More information about the U-Boot mailing list