mirror of https://gitee.com/openkylin/linux.git
40 lines
1.2 KiB
C
40 lines
1.2 KiB
C
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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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* This file is released under the GPLv2
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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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int videomode_from_timing(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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vm->pixelclock = display_timing_get_value(&dt->pixelclock, TE_TYP);
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vm->hactive = display_timing_get_value(&dt->hactive, TE_TYP);
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vm->hfront_porch = display_timing_get_value(&dt->hfront_porch, TE_TYP);
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vm->hback_porch = display_timing_get_value(&dt->hback_porch, TE_TYP);
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vm->hsync_len = display_timing_get_value(&dt->hsync_len, TE_TYP);
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vm->vactive = display_timing_get_value(&dt->vactive, TE_TYP);
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vm->vfront_porch = display_timing_get_value(&dt->vfront_porch, TE_TYP);
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vm->vback_porch = display_timing_get_value(&dt->vback_porch, TE_TYP);
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vm->vsync_len = display_timing_get_value(&dt->vsync_len, TE_TYP);
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vm->dmt_flags = dt->dmt_flags;
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vm->data_flags = dt->data_flags;
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return 0;
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}
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EXPORT_SYMBOL_GPL(videomode_from_timing);
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