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| 2 | |
| 3 | * generic display timing functions
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| 4 | *
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| 5 | * Copyright (c) 2012 Steffen Trumtrar <[email protected]>, Pengutronix
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| 6 |
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| 7 |
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| 8 | #include <linux/errno.h>
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| 9 | #include <linux/export.h>
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| 10 | #include <video/display_timing.h>
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| 11 | #include <video/videomode.h>
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| 12 |
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| 13 | void videomode_from_timing(const struct display_timing *dt,
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| 14 | struct videomode *vm)
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| 15 | {
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| 16 | vm->pixelclock = dt->pixelclock.typ;
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| 17 | vm->hactive = dt->hactive.typ;
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| 18 | vm->hfront_porch = dt->hfront_porch.typ;
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| 19 | vm->hback_porch = dt->hback_porch.typ;
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| 20 | vm->hsync_len = dt->hsync_len.typ;
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| 21 |
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| 22 | vm->vactive = dt->vactive.typ;
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| 23 | vm->vfront_porch = dt->vfront_porch.typ;
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| 24 | vm->vback_porch = dt->vback_porch.typ;
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| 25 | vm->vsync_len = dt->vsync_len.typ;
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| 26 |
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| 27 | vm->flags = dt->flags;
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| 28 | }
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| 29 | EXPORT_SYMBOL_GPL(videomode_from_timing);
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| 30 |
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| 31 | int videomode_from_timings(const struct display_timings *disp,
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| 32 | struct videomode *vm, unsigned int index)
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| 33 | {
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| 34 | struct display_timing *dt;
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| 35 |
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| 36 | dt = display_timings_get(disp, index);
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| 37 | if (!dt)
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| 38 | return -EINVAL;
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| 39 |
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| 40 | videomode_from_timing(dt, vm);
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| 41 |
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| 42 | return 0;
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| 43 | }
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| 44 | EXPORT_SYMBOL_GPL(videomode_from_timings);
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