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path: root/sound/pci/hda/hda_eld.c
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Diffstat (limited to 'sound/pci/hda/hda_eld.c')
-rw-r--r--sound/pci/hda/hda_eld.c24
1 files changed, 10 insertions, 14 deletions
diff --git a/sound/pci/hda/hda_eld.c b/sound/pci/hda/hda_eld.c
index cb0c23a6b473..4a663471dadc 100644
--- a/sound/pci/hda/hda_eld.c
+++ b/sound/pci/hda/hda_eld.c
@@ -189,6 +189,9 @@ static void hdmi_update_short_audio_desc(struct cea_sad *a,
189 a->channels = GRAB_BITS(buf, 0, 0, 3); 189 a->channels = GRAB_BITS(buf, 0, 0, 3);
190 a->channels++; 190 a->channels++;
191 191
192 a->sample_bits = 0;
193 a->max_bitrate = 0;
194
192 a->format = GRAB_BITS(buf, 0, 3, 4); 195 a->format = GRAB_BITS(buf, 0, 3, 4);
193 switch (a->format) { 196 switch (a->format) {
194 case AUDIO_CODING_TYPE_REF_STREAM_HEADER: 197 case AUDIO_CODING_TYPE_REF_STREAM_HEADER:
@@ -198,7 +201,6 @@ static void hdmi_update_short_audio_desc(struct cea_sad *a,
198 201
199 case AUDIO_CODING_TYPE_LPCM: 202 case AUDIO_CODING_TYPE_LPCM:
200 val = GRAB_BITS(buf, 2, 0, 3); 203 val = GRAB_BITS(buf, 2, 0, 3);
201 a->sample_bits = 0;
202 for (i = 0; i < 3; i++) 204 for (i = 0; i < 3; i++)
203 if (val & (1 << i)) 205 if (val & (1 << i))
204 a->sample_bits |= cea_sample_sizes[i + 1]; 206 a->sample_bits |= cea_sample_sizes[i + 1];
@@ -598,24 +600,19 @@ void hdmi_eld_update_pcm_info(struct hdmi_eld *eld, struct hda_pcm_stream *pcm,
598{ 600{
599 int i; 601 int i;
600 602
601 pcm->rates = 0; 603 /* assume basic audio support (the basic audio flag is not in ELD;
602 pcm->formats = 0; 604 * however, all audio capable sinks are required to support basic
603 pcm->maxbps = 0; 605 * audio) */
604 pcm->channels_min = -1; 606 pcm->rates = SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000;
605 pcm->channels_max = 0; 607 pcm->formats = SNDRV_PCM_FMTBIT_S16_LE;
608 pcm->maxbps = 16;
609 pcm->channels_max = 2;
606 for (i = 0; i < eld->sad_count; i++) { 610 for (i = 0; i < eld->sad_count; i++) {
607 struct cea_sad *a = &eld->sad[i]; 611 struct cea_sad *a = &eld->sad[i];
608 pcm->rates |= a->rates; 612 pcm->rates |= a->rates;
609 if (a->channels < pcm->channels_min)
610 pcm->channels_min = a->channels;
611 if (a->channels > pcm->channels_max) 613 if (a->channels > pcm->channels_max)
612 pcm->channels_max = a->channels; 614 pcm->channels_max = a->channels;
613 if (a->format == AUDIO_CODING_TYPE_LPCM) { 615 if (a->format == AUDIO_CODING_TYPE_LPCM) {
614 if (a->sample_bits & AC_SUPPCM_BITS_16) {
615 pcm->formats |= SNDRV_PCM_FMTBIT_S16_LE;
616 if (pcm->maxbps < 16)
617 pcm->maxbps = 16;
618 }
619 if (a->sample_bits & AC_SUPPCM_BITS_20) { 616 if (a->sample_bits & AC_SUPPCM_BITS_20) {
620 pcm->formats |= SNDRV_PCM_FMTBIT_S32_LE; 617 pcm->formats |= SNDRV_PCM_FMTBIT_S32_LE;
621 if (pcm->maxbps < 20) 618 if (pcm->maxbps < 20)
@@ -635,7 +632,6 @@ void hdmi_eld_update_pcm_info(struct hdmi_eld *eld, struct hda_pcm_stream *pcm,
635 /* restrict the parameters by the values the codec provides */ 632 /* restrict the parameters by the values the codec provides */
636 pcm->rates &= codec_pars->rates; 633 pcm->rates &= codec_pars->rates;
637 pcm->formats &= codec_pars->formats; 634 pcm->formats &= codec_pars->formats;
638 pcm->channels_min = max(pcm->channels_min, codec_pars->channels_min);
639 pcm->channels_max = min(pcm->channels_max, codec_pars->channels_max); 635 pcm->channels_max = min(pcm->channels_max, codec_pars->channels_max);
640 pcm->maxbps = min(pcm->maxbps, codec_pars->maxbps); 636 pcm->maxbps = min(pcm->maxbps, codec_pars->maxbps);
641} 637}