sof_sdw_hdmi.c

 1// SPDX-License-Identifier: GPL-2.0-only
 2// Copyright (c) 2020 Intel Corporation
 3
 4/*
 5 *  sof_sdw_hdmi - Helpers to handle HDMI from generic machine driver
 6 */
 7
 8#include <linux/acpi.h>
 9#include <linux/device.h>
10#include <linux/errno.h>
11#include <linux/kernel.h>
12#include <linux/list.h>
13#include <linux/soundwire/sdw_intel.h>
14#include <sound/soc.h>
15#include <sound/soc-acpi.h>
16#include <sound/jack.h>
17#include "sof_sdw_common.h"
18#include "hda_dsp_common.h"
19
20int sof_sdw_hdmi_init(struct snd_soc_pcm_runtime *rtd)
21{
22	struct asoc_sdw_mc_private *ctx = snd_soc_card_get_drvdata(rtd->card);
23	struct intel_mc_ctx *intel_ctx = (struct intel_mc_ctx *)ctx->private;
24	struct snd_soc_dai *dai = snd_soc_rtd_to_codec(rtd, 0);
25
26	intel_ctx->hdmi.hdmi_comp = dai->component;
27
28	return 0;
29}
30
31int sof_sdw_hdmi_card_late_probe(struct snd_soc_card *card)
32{
33	struct asoc_sdw_mc_private *ctx = snd_soc_card_get_drvdata(card);
34	struct intel_mc_ctx *intel_ctx = (struct intel_mc_ctx *)ctx->private;
35
36	if (!intel_ctx->hdmi.idisp_codec)
37		return 0;
38
39	if (!intel_ctx->hdmi.hdmi_comp)
40		return -EINVAL;
41
42	return hda_dsp_hdmi_build_controls(card, intel_ctx->hdmi.hdmi_comp);
43}