xref: /linux/sound/soc/intel/boards/sof_sdw_hdmi.c (revision d642ef71)
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/device.h>
9 #include <linux/errno.h>
10 #include <linux/kernel.h>
11 #include <linux/list.h>
12 #include <sound/soc.h>
13 #include <sound/soc-acpi.h>
14 #include <sound/jack.h>
15 #include "sof_sdw_common.h"
16 #include "hda_dsp_common.h"
17 
18 int sof_sdw_hdmi_init(struct snd_soc_pcm_runtime *rtd)
19 {
20 	struct mc_private *ctx = snd_soc_card_get_drvdata(rtd->card);
21 	struct snd_soc_dai *dai = snd_soc_rtd_to_codec(rtd, 0);
22 
23 	ctx->hdmi.hdmi_comp = dai->component;
24 
25 	return 0;
26 }
27 
28 int sof_sdw_hdmi_card_late_probe(struct snd_soc_card *card)
29 {
30 	struct mc_private *ctx = snd_soc_card_get_drvdata(card);
31 
32 	if (!ctx->hdmi.idisp_codec)
33 		return 0;
34 
35 	if (!ctx->hdmi.hdmi_comp)
36 		return -EINVAL;
37 
38 	return hda_dsp_hdmi_build_controls(card, ctx->hdmi.hdmi_comp);
39 }
40