Attachment 23893 Details for Bug 20670 – Fix contrast and sat for 945G

[patch] Fix contrast and sat for 945G

0001-TV-fix-contrast-and-sat-range-for-945G.patch (text/plain), 1.08 KB, created by Wang Zhenyu on 2009-03-15 19:29:47 UTC

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Creator: Wang Zhenyu

Created: 2009-03-15 19:29:47 UTC

Size: 1.08 KB

patch

obsolete

>From df74872c50a47d4c8a29fa7eff4b50627e5ee966 Mon Sep 17 00:00:00 2001
>From: Zhenyu Wang <zhenyu.z.wang@intel.com>
>Date: Mon, 16 Mar 2009 10:19:39 +0800
>Subject: [PATCH] TV: fix contrast and sat range for 945G
>
>---
> src/i830_tv.c |    4 ++--
> 1 files changed, 2 insertions(+), 2 deletions(-)
>
>diff --git a/src/i830_tv.c b/src/i830_tv.c
>index 42d9e90..8eb3e26 100644
>--- a/src/i830_tv.c
>+++ b/src/i830_tv.c
>@@ -1079,7 +1079,7 @@ i830_tv_update_contrast(I830Ptr pI830, uint8_t contrast)
> 	c = float_to_fix_2_6(con);
>     } else {
> 	/* 2.6 floating point */
>-	con = 8.875 * ((float) contrast / 255);
>+	con = 2.65625 * ((float) contrast / 255);
> 	c = float_to_float_2_6(con);
>     }
>     val |= (c << TV_CONTRAST_SHIFT) & TV_CONTRAST_MASK;
>@@ -1098,7 +1098,7 @@ i830_tv_update_saturation(I830Ptr pI830, uint8_t saturation)
> 	sat = 3.0 * ((float) saturation / 255);
> 	s = float_to_fix_2_6(sat);
>     } else {
>-	sat = 8.875 * ((float) saturation / 255);
>+	sat = 2.65625 * ((float) saturation / 255);
> 	s = float_to_float_2_6(sat);
>     }
>     val |= (s << TV_SATURATION_SHIFT) & TV_SATURATION_MASK;
>-- 
>1.6.2
>

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