// SPDX-License-Identifier: MIT/* * Copyright © 2023 Intel Corporation */ #include <linux/export.h> #include <drm/drm_edid.h>#include <drm/drm_eld.h> #include "drm_crtc_internal.h" /** * drm_eld_sad_get - get SAD from ELD to struct cea_sad * @eld: ELD buffer * @sad_index: SAD index * @cta_sad: destination struct cea_sad * * @return: 0 on success, or negative on errors */int drm_eld_sad_get(const u8 *eld, int sad_index, struct cea_sad *cta_sad){	const u8 *sad; 	if (sad_index >= drm_eld_sad_count(eld))		return -EINVAL; 	sad = eld + DRM_ELD_CEA_SAD(drm_eld_mnl(eld), sad_index); 	drm_edid_cta_sad_set(cta_sad, sad); 	return 0;}EXPORT_SYMBOL(drm_eld_sad_get); /** * drm_eld_sad_set - set SAD to ELD from struct cea_sad * @eld: ELD buffer * @sad_index: SAD index * @cta_sad: source struct cea_sad * * @return: 0 on success, or negative on errors */int drm_eld_sad_set(u8 *eld, int sad_index, const struct cea_sad *cta_sad){	u8 *sad; 	if (sad_index >= drm_eld_sad_count(eld))		return -EINVAL; 	sad = eld + DRM_ELD_CEA_SAD(drm_eld_mnl(eld), sad_index); 	drm_edid_cta_sad_get(cta_sad, sad); 	return 0;}EXPORT_SYMBOL(drm_eld_sad_set);