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https://github.com/qmk/qmk_firmware
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16 lines
412 B
C
16 lines
412 B
C
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// Copyright 2024 QMK
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include "ws2812.h"
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#if defined(WS2812_RGBW)
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void ws2812_rgb_to_rgbw(ws2812_led_t *led) {
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// Determine lowest value in all three colors, put that into
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// the white channel and then shift all colors by that amount
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led->w = MIN(led->r, MIN(led->g, led->b));
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led->r -= led->w;
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led->g -= led->w;
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led->b -= led->w;
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}
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#endif
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