pm2fb: Reset transparency settings

From: Krzysztof Helt < [email protected]>

This patch resets transparency settings when depth changes. Otherwise the 16 and 24-bit modes work incorrectly after switching from 32-bit mode.

---

 drivers/video/pm2fb.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

index 2a8ba60..33f17a9 100644
@@ -645,6 +645,8 @@ static int pm2fb_check_var(struct fb_var
 		return -EINVAL;
 	}
 
+	var->transp.offset = 0;
+	var->transp.length = 0;
 	switch(var->bits_per_pixel) {
 	case 8:
 		var->red.length = var->green.length = var->blue.length = 8;

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