linux-kernel - [PATCH v2 2/2] video: da8xx-fb: Fix casting of info->pseudo

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Date:	Tue,  1 Apr 2014 08:33:05 -0400
From:	jon@...gle.org
To:	linux-kernel@...r.kernel.org, linux-fbdev@...r.kernel.org
Cc:	tomi.valkeinen@...com, plagnioj@...osoft.com,
	Jon Ringle <jringle@...dpoint.com>
Subject: [PATCH v2 2/2] video: da8xx-fb: Fix casting of info->pseudo_palette

From: Jon Ringle <jringle@...dpoint.com>

The casting to (u16 *) on info->pseudo_palette is wrong and causes the
display to show a blue (garbage) vertical line on every other pixel column

Signed-off-by: Jon Ringle <jringle@...dpoint.com>
---
 drivers/video/da8xx-fb.c | 10 +---------
 1 file changed, 1 insertion(+), 9 deletions(-)

diff --git a/drivers/video/da8xx-fb.c b/drivers/video/da8xx-fb.c
index d042624..83c43b2 100644
--- a/drivers/video/da8xx-fb.c
+++ b/drivers/video/da8xx-fb.c
@@ -678,15 +678,7 @@ static int fb_setcolreg(unsigned regno, unsigned red, unsigned green,
 			(green << info->var.green.offset) |
 			(blue << info->var.blue.offset);
 
-		switch (info->var.bits_per_pixel) {
-		case 16:
-			((u16 *) (info->pseudo_palette))[regno] = v;
-			break;
-		case 24:
-		case 32:
-			((u32 *) (info->pseudo_palette))[regno] = v;
-			break;
-		}
+		((u32 *) (info->pseudo_palette))[regno] = v;
 		if (palette[0] != 0x4000) {
 			update_hw = 1;
 			palette[0] = 0x4000;
-- 
1.8.5.4

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