ATI 7770 HDMI audio ( Very rusty linux user)

I used to use linux years back and am trying to use it again for my other PC’s but I cannot seem to get the audio working when using HDMI. this setup is easier for me becasue my PC is hooked up to my LCD TV which has a digetal turner cable box hooked up to it and I really don’t want to have to keep changing my settings in my TV back and forth to get audio working.
the setup in Windows 7 works fine this way bujt in Open suse I cannot figure out how to get the HDMI sound to work.

my system specs are AMD Sabertooth 990 fx motherboard 1100Ti be cpu with a ATI 7770 vidio card.
I am using opensuse 13.1
I am using HDMI and installed XMC but discovered that I wasn’t getting any sound at all so I went into settings\sound and noticed that it only lists Digital output (S/PDIF)-built in audio and I cannot change this.
I did the aplay-L

media@linux-khi3:~> aplay -L
null
    Discard all samples (playback) or generate zero samples (capture)
default
    Default ALSA Output (currently PulseAudio Sound Server)
sysdefault:CARD=SB
    HDA ATI SB, ALC892 Analog
    Default Audio Device
front:CARD=SB,DEV=0
    HDA ATI SB, ALC892 Analog
    Front speakers
surround40:CARD=SB,DEV=0
    HDA ATI SB, ALC892 Analog
    4.0 Surround output to Front and Rear speakers
surround41:CARD=SB,DEV=0
    HDA ATI SB, ALC892 Analog
    4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=SB,DEV=0
    HDA ATI SB, ALC892 Analog
    5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=SB,DEV=0
    HDA ATI SB, ALC892 Analog
    5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=SB,DEV=0
    HDA ATI SB, ALC892 Analog
    7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
iec958:CARD=SB,DEV=0
    HDA ATI SB, ALC892 Digital
    IEC958 (S/PDIF) Digital Audio Output
hdmi:CARD=HDMI,DEV=0
    HDA ATI HDMI, HDMI 0
    HDMI Audio Output
hdmi:CARD=HDMI,DEV=1
    HDA ATI HDMI, HDMI 1
    HDMI Audio Output
hdmi:CARD=HDMI,DEV=2
    HDA ATI HDMI, HDMI 2
    HDMI Audio Output
hdmi:CARD=HDMI,DEV=3
    HDA ATI HDMI, HDMI 3
    HDMI Audio Output
hdmi:CARD=HDMI,DEV=4
    HDA ATI HDMI, HDMI 4
    HDMI Audio Output
hdmi:CARD=HDMI,DEV=5
    HDA ATI HDMI, HDMI 5
    HDMI Audio Output
media@linux-khi3:~> 


any help would be appreciated

add “radeon.audio=1” to your kernel boot line … with kernel 3.13, hdmi is enabled by default on most AMD adapters, so the boot option can then be dispensed with

don’t forget to switch output sources with your mixer or pulse

ok how do I do that , I know I sghoud remember but I don’t

use the Yast bootloader module to make the change … (or manually perform the necessary edits and steps)