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Merge pull request #2465 from RayCali/fix_exposure
sensors/ov5640: Fix PCLK calculation for setting correct exposure time.
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commit
bef5e2d42e
@ -1128,14 +1128,14 @@ static int calc_pclk_freq(uint8_t sc_pll_ctrl_0,
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uint8_t sys_root_div) {
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uint32_t pclk_freq = omv_csi_get_xclk_frequency();
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pclk_freq /= ((sc_pll_ctrl_3 & 0x10) != 0x00) ? 2 : 1;
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pclk_freq /= ((sc_pll_ctrl_0 & 0x0F) == 0x0A) ? 10 : 8;
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pclk_freq /= ((sc_pll_ctrl_0 & 0x0F) == 0x0A) ? 5 : 4; //camera has two MIPI lanes
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switch (sc_pll_ctrl_3 & 0x0F) {
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case 0: pclk_freq /= 1; break;
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case 1: pclk_freq /= 2; break;
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case 2: pclk_freq /= 3; break;
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case 3: pclk_freq /= 4; break;
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case 4: pclk_freq /= 6; break;
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case 5: pclk_freq /= 8; break;
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case 1: pclk_freq /= 1; break;
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case 2: pclk_freq /= 2; break;
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case 3: pclk_freq /= 3; break;
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case 4: pclk_freq /= 4; break;
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case 6: pclk_freq /= 6; break;
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case 8: pclk_freq /= 8; break;
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default: pclk_freq /= 3; break;
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}
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pclk_freq *= sc_pll_ctrl_2;
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