45 lines
1.1 KiB
C
45 lines
1.1 KiB
C
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// 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 <s.trumtrar@pengutronix.de>, 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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