root@mythtv:/var/lib/mythtv/videos#aplay -l
cat /proc/asound/card1/codec#0
**** List of PLAYBACK Hardware Devices ****
card 0: SB [HDA ATI SB], device 0: ALC883 Analog [ALC883 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: SB [HDA ATI SB], device 1: ALC883 Digital [ALC883 Digital]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: HDMI [HDA ATI HDMI], device 0: ATI HDMI [ATI HDMI]
Subdevices: 1/1
Subdevice #0: subdevice #0
cat /proc/asound/card1/codec#0
Codec: Generic 1002 ATI RS690/780 HDMI
Address: 0
Vendor Id: 0x1002791a
Subsystem Id: 0x791a00
Revision Id: 0x100000
Default PCM:
rates [0x40]: 48000
bits [0x2]: 16
formats [0x1]: PCM
Default Amp-In caps: N/A
Default Amp-Out caps: N/A
Node 0x02 [Audio Output] wcaps 0x201: Stereo Digital
Node 0x03 [Pin Complex] wcaps 0x400381: Stereo Digital
Pincap 0x0894: OUT Detect
Pin Default 0x18565010: [Jack] Digital Out at Int HDMI
Conn = Digital, Color = Red
Pin-ctls: 0x40: OUT
Connection: 1
0x02