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ALSA: hda - Set Stream Type in Stream Format according to AES0

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Set bit 15 (Stream Type) of HDA Stream Format to 1 (Non-PCM) when IEC958
channel status bit 1 (AES0 & 0x02) is set to 1 (non-audio).

This is a prequisite for HDMI HBR passthrough.

Signed-off-by: Anssi Hannula <anssi.hannula@iki.fi>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Anssi Hannula 2010-08-03 13:28:57 +03:00 committed by Takashi Iwai
parent 68c1869791
commit 32c168c892
3 changed files with 9 additions and 3 deletions
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6
sound/pci/hda/hda_codec.c
View File

@ -3051,7 +3051,8 @@ static struct hda_rate_tbl rate_bits[] = {
unsigned int snd_hda_calc_stream_format(unsigned int rate,
unsigned int channels,
unsigned int format,
unsigned int maxbps)
unsigned int maxbps,
unsigned short spdif_ctls)
{
int i;
unsigned int val = 0;
@ -3095,6 +3096,9 @@ unsigned int snd_hda_calc_stream_format(unsigned int rate,
return 0;
}
if (spdif_ctls & AC_DIG1_NONAUDIO)
val |= 0x8000;
return val;
}
EXPORT_SYMBOL_HDA(snd_hda_calc_stream_format);

3
sound/pci/hda/hda_codec.h
View File

@ -928,7 +928,8 @@ void snd_hda_codec_cleanup_stream(struct hda_codec *codec, hda_nid_t nid);
unsigned int snd_hda_calc_stream_format(unsigned int rate,
unsigned int channels,
unsigned int format,
unsigned int maxbps);
unsigned int maxbps,
unsigned short spdif_ctls);
int snd_hda_is_supported_format(struct hda_codec *codec, hda_nid_t nid,
unsigned int format);

3
sound/pci/hda/hda_intel.c
View File

@ -1653,7 +1653,8 @@ static int azx_pcm_prepare(struct snd_pcm_substream *substream)
format_val = snd_hda_calc_stream_format(runtime->rate,
runtime->channels,
runtime->format,
hinfo->maxbps);
hinfo->maxbps,
apcm->codec->spdif_ctls);
if (!format_val) {
snd_printk(KERN_ERR SFX
"invalid format_val, rate=%d, ch=%d, format=%d\n",