intel/boards/hda_dsp_common.c

1 // SPDX-License-Identifier: GPL-2.0-only
6 #include <sound/pcm.h>
7 #include <sound/soc.h>
8 #include <sound/hda_codec.h>
9 #include <sound/hda_i915.h>
18  * matching Nth HDMI device (zero-based index).
28 		spcm = rtd->pcm ?  in hda_dsp_hdmi_pcm_handle()
29 			rtd->pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].pcm : NULL;  in hda_dsp_hdmi_pcm_handle()
30 		if (spcm && strstr(spcm->id, "HDMI")) {  in hda_dsp_hdmi_pcm_handle()
32 				return rtd->pcm;  in hda_dsp_hdmi_pcm_handle()
41  * Search card topology and register HDMI PCM related controls
54 		return -EINVAL;  in hda_dsp_hdmi_build_controls()
57 	hcodec = hda_pvt->codec;  in hda_dsp_hdmi_build_controls()
59 	list_for_each_entry(hpcm, &hcodec->pcm_list_head, list) {  in hda_dsp_hdmi_build_controls()
62 			hpcm->pcm = spcm;  in hda_dsp_hdmi_build_controls()
63 			hpcm->device = spcm->device;  in hda_dsp_hdmi_build_controls()
64 			dev_dbg(card->dev,  in hda_dsp_hdmi_build_controls()
65 				"mapping HDMI converter %d to PCM %d (%p)\n",  in hda_dsp_hdmi_build_controls()
66 				i, hpcm->device, spcm);  in hda_dsp_hdmi_build_controls()
68 			hpcm->pcm = NULL;  in hda_dsp_hdmi_build_controls()
69 			hpcm->device = SNDRV_PCM_INVALID_DEVICE;  in hda_dsp_hdmi_build_controls()
70 			dev_warn(card->dev,  in hda_dsp_hdmi_build_controls()
71 				 "%s: no PCM in topology for HDMI converter %d\n",  in hda_dsp_hdmi_build_controls()
76 	snd_hdac_display_power(hcodec->core.bus,  in hda_dsp_hdmi_build_controls()
80 		dev_err(card->dev, "unable to create controls %d\n", err);  in hda_dsp_hdmi_build_controls()
81 	snd_hdac_display_power(hcodec->core.bus,  in hda_dsp_hdmi_build_controls()
90 MODULE_DESCRIPTION("ASoC Intel HDMI helpers");