ALSA: hda - Add support for HDMI HBR passthrough
authorAnssi Hannula <anssi.hannula@iki.fi>
Tue, 3 Aug 2010 10:28:58 +0000 (13:28 +0300)
committerTakashi Iwai <tiwai@suse.de>
Tue, 3 Aug 2010 10:53:36 +0000 (12:53 +0200)
commitea87d1c493aba9cf3f645eae0d6d9c0fd44d3189
treeaade327fe17501e0bd52bf4ae1dc02f84ccbe26f
parent32c168c892e2c6936c714d1653ba5e19e07d5c26
ALSA: hda - Add support for HDMI HBR passthrough

Passing IEC 61937 encapsulated compressed audio at bitrates over 6.144
Mbps (i.e. more than a single 2-channel 16-bit 192kHz IEC 60958 link)
over HDMI requires the use of HBR Audio Stream Packets instead of Audio
Sample Packets.

Enable HBR mode when the stream has 8 channels and the Non-PCM bit is
set.

If the audio converter is not connected to any HBR-capable pins, return
-EINVAL in prepare().

Signed-off-by: Anssi Hannula <anssi.hannula@iki.fi>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
sound/pci/hda/hda_codec.h
sound/pci/hda/patch_hdmi.c
sound/pci/hda/patch_intelhdmi.c
sound/pci/hda/patch_nvhdmi.c