[PATCH 3/4] add delay when entering cmd mode

Chia-I Wu olv at openmoko.com
Wed Dec 5 15:19:10 CET 2007


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Glamo fails to return to display mode if we switch to and back from cmd mode
too quickly.  Add a certain amount of delay after entering cmd mode.

Signed-off-by: Chia-I Wu <olv at openmoko.com>
---
 drivers/video/glamo/glamo-fb.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
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diff --git a/drivers/video/glamo/glamo-fb.c b/drivers/video/glamo/glamo-fb.c
index 3a102e4..2a5814f 100644
--- a/drivers/video/glamo/glamo-fb.c
+++ b/drivers/video/glamo/glamo-fb.c
@@ -395,6 +395,8 @@ void glamofb_cmd_mode(struct glamofb_handle *gfb, int on)
 		while (!reg_read(gfb, GLAMO_REG_LCD_STATUS2) & (1 << 12))
 			yield();
 		dev_dbg(gfb->dev, "idle!\n");
+
+		msleep(90);
 	} else {
 		/* RGB interface needs vsync/hsync */
 		if (reg_read(gfb, GLAMO_REG_LCD_MODE3) & GLAMO_LCD_MODE3_RGB)

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