modify sin led gpio

hc

2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e

 kernel/drivers/video/fbdev/matrox/g450_pll.c
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@@ -333,11 +333,9 @@
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 			 unsigned int *deltaarray)
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 {
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 	unsigned int mnpcount;
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-	unsigned int pixel_vco;
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 	const struct matrox_pll_limits* pi;
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 	struct matrox_pll_cache* ci;
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-	pixel_vco = 0;
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 	switch (pll) {
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 		case M_PIXEL_PLL_A:
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 		case M_PIXEL_PLL_B:
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@@ -420,7 +418,6 @@
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 				mnp = matroxfb_DAC_in(minfo, M1064_XPIXPLLCM) << 16;
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 				mnp |= matroxfb_DAC_in(minfo, M1064_XPIXPLLCN) << 8;
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-				pixel_vco = g450_mnp2vco(minfo, mnp);
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 				matroxfb_DAC_unlock_irqrestore(flags);
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 			}
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 			pi = &minfo->limits.video;
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@@ -441,25 +438,6 @@
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 			unsigned int delta;
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 			vco = g450_mnp2vco(minfo, mnp);
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-#if 0			
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-			if (pll == M_VIDEO_PLL) {
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-				unsigned int big, small;
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-
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-				if (vco < pixel_vco) {
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-					small = vco;
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-					big = pixel_vco;
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-				} else {
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-					small = pixel_vco;
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-					big = vco;
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-				}
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-				while (big > small) {
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-					big >>= 1;
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-				}
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-				if (big == small) {
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-					continue;
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-				}
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-			}
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-#endif			
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 			delta = pll_freq_delta(fout, g450_vco2f(mnp, vco));
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 			for (idx = mnpcount; idx > 0; idx--) {
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 				/* == is important; due to nextpll algorithm we get