a->channels = GRAB_BITS(buf, 0, 0, 3);
a->channels++;
+ a->sample_bits = 0;
+ a->max_bitrate = 0;
+
a->format = GRAB_BITS(buf, 0, 3, 4);
switch (a->format) {
case AUDIO_CODING_TYPE_REF_STREAM_HEADER:
case AUDIO_CODING_TYPE_LPCM:
val = GRAB_BITS(buf, 2, 0, 3);
- a->sample_bits = 0;
for (i = 0; i < 3; i++)
if (val & (1 << i))
a->sample_bits |= cea_sample_sizes[i + 1];
return snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_HDMI_DIP_SIZE,
AC_DIPSIZE_ELD_BUF);
}
-EXPORT_SYMBOL_HDA(snd_hdmi_get_eld_size);
int snd_hdmi_get_eld(struct hdmi_eld *eld,
struct hda_codec *codec, hda_nid_t nid)
kfree(buf);
return ret;
}
-EXPORT_SYMBOL_HDA(snd_hdmi_get_eld);
static void hdmi_show_short_audio_desc(struct cea_sad *a)
{
}
buf[j] = '\0'; /* necessary when j == 0 */
}
-EXPORT_SYMBOL_HDA(snd_print_channel_allocation);
void snd_hdmi_show_eld(struct hdmi_eld *e)
{
for (i = 0; i < e->sad_count; i++)
hdmi_show_short_audio_desc(e->sad + i);
}
-EXPORT_SYMBOL_HDA(snd_hdmi_show_eld);
#ifdef CONFIG_PROC_FS
return 0;
}
-EXPORT_SYMBOL_HDA(snd_hda_eld_proc_new);
void snd_hda_eld_proc_free(struct hda_codec *codec, struct hdmi_eld *eld)
{
eld->proc_entry = NULL;
}
}
-EXPORT_SYMBOL_HDA(snd_hda_eld_proc_free);
#endif /* CONFIG_PROC_FS */
{
int i;
- pcm->rates = 0;
- pcm->formats = 0;
- pcm->maxbps = 0;
- pcm->channels_min = -1;
- pcm->channels_max = 0;
+ /* assume basic audio support (the basic audio flag is not in ELD;
+ * however, all audio capable sinks are required to support basic
+ * audio) */
+ pcm->rates = SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000;
+ pcm->formats = SNDRV_PCM_FMTBIT_S16_LE;
+ pcm->maxbps = 16;
+ pcm->channels_max = 2;
for (i = 0; i < eld->sad_count; i++) {
struct cea_sad *a = &eld->sad[i];
pcm->rates |= a->rates;
- if (a->channels < pcm->channels_min)
- pcm->channels_min = a->channels;
if (a->channels > pcm->channels_max)
pcm->channels_max = a->channels;
if (a->format == AUDIO_CODING_TYPE_LPCM) {
- if (a->sample_bits & AC_SUPPCM_BITS_16) {
- pcm->formats |= SNDRV_PCM_FMTBIT_S16_LE;
- if (pcm->maxbps < 16)
- pcm->maxbps = 16;
- }
if (a->sample_bits & AC_SUPPCM_BITS_20) {
pcm->formats |= SNDRV_PCM_FMTBIT_S32_LE;
if (pcm->maxbps < 20)
/* restrict the parameters by the values the codec provides */
pcm->rates &= codec_pars->rates;
pcm->formats &= codec_pars->formats;
- pcm->channels_min = max(pcm->channels_min, codec_pars->channels_min);
pcm->channels_max = min(pcm->channels_max, codec_pars->channels_max);
pcm->maxbps = min(pcm->maxbps, codec_pars->maxbps);
}
-EXPORT_SYMBOL_HDA(hdmi_eld_update_pcm_info);