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@@ -189,6 +189,9 @@ static void hdmi_update_short_audio_desc(struct cea_sad *a,
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a->channels = GRAB_BITS(buf, 0, 0, 3);
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a->channels++;
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+ a->sample_bits = 0;
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+ a->max_bitrate = 0;
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+
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a->format = GRAB_BITS(buf, 0, 3, 4);
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switch (a->format) {
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case AUDIO_CODING_TYPE_REF_STREAM_HEADER:
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@@ -198,7 +201,6 @@ static void hdmi_update_short_audio_desc(struct cea_sad *a,
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case AUDIO_CODING_TYPE_LPCM:
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val = GRAB_BITS(buf, 2, 0, 3);
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- a->sample_bits = 0;
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for (i = 0; i < 3; i++)
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if (val & (1 << i))
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a->sample_bits |= cea_sample_sizes[i + 1];
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@@ -598,24 +600,19 @@ void hdmi_eld_update_pcm_info(struct hdmi_eld *eld, struct hda_pcm_stream *pcm,
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{
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int i;
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- pcm->rates = 0;
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- pcm->formats = 0;
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- pcm->maxbps = 0;
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- pcm->channels_min = -1;
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- pcm->channels_max = 0;
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+ /* assume basic audio support (the basic audio flag is not in ELD;
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+ * however, all audio capable sinks are required to support basic
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+ * audio) */
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+ pcm->rates = SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000;
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+ pcm->formats = SNDRV_PCM_FMTBIT_S16_LE;
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+ pcm->maxbps = 16;
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+ pcm->channels_max = 2;
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for (i = 0; i < eld->sad_count; i++) {
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struct cea_sad *a = &eld->sad[i];
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pcm->rates |= a->rates;
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- if (a->channels < pcm->channels_min)
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- pcm->channels_min = a->channels;
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if (a->channels > pcm->channels_max)
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pcm->channels_max = a->channels;
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if (a->format == AUDIO_CODING_TYPE_LPCM) {
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- if (a->sample_bits & AC_SUPPCM_BITS_16) {
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- pcm->formats |= SNDRV_PCM_FMTBIT_S16_LE;
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- if (pcm->maxbps < 16)
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- pcm->maxbps = 16;
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- }
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if (a->sample_bits & AC_SUPPCM_BITS_20) {
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pcm->formats |= SNDRV_PCM_FMTBIT_S32_LE;
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if (pcm->maxbps < 20)
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@@ -635,7 +632,6 @@ void hdmi_eld_update_pcm_info(struct hdmi_eld *eld, struct hda_pcm_stream *pcm,
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/* restrict the parameters by the values the codec provides */
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pcm->rates &= codec_pars->rates;
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pcm->formats &= codec_pars->formats;
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- pcm->channels_min = max(pcm->channels_min, codec_pars->channels_min);
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pcm->channels_max = min(pcm->channels_max, codec_pars->channels_max);
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pcm->maxbps = min(pcm->maxbps, codec_pars->maxbps);
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}
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