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44 lines
1.1 KiB
44 lines
1.1 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* generic display timing functions |
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* |
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* Copyright (c) 2012 Steffen Trumtrar <[email protected]>, Pengutronix |
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*/ |
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#include <linux/errno.h> |
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#include <linux/export.h> |
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#include <video/display_timing.h> |
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#include <video/videomode.h> |
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void videomode_from_timing(const struct display_timing *dt, |
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struct videomode *vm) |
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{ |
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vm->pixelclock = dt->pixelclock.typ; |
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vm->hactive = dt->hactive.typ; |
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vm->hfront_porch = dt->hfront_porch.typ; |
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vm->hback_porch = dt->hback_porch.typ; |
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vm->hsync_len = dt->hsync_len.typ; |
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vm->vactive = dt->vactive.typ; |
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vm->vfront_porch = dt->vfront_porch.typ; |
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vm->vback_porch = dt->vback_porch.typ; |
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vm->vsync_len = dt->vsync_len.typ; |
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vm->flags = dt->flags; |
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} |
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EXPORT_SYMBOL_GPL(videomode_from_timing); |
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int videomode_from_timings(const struct display_timings *disp, |
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struct videomode *vm, unsigned int index) |
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{ |
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struct display_timing *dt; |
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dt = display_timings_get(disp, index); |
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if (!dt) |
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return -EINVAL; |
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videomode_from_timing(dt, vm); |
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return 0; |
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} |
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EXPORT_SYMBOL_GPL(videomode_from_timings);
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