Поставил на материскую плату видеокарту asus geforce gt610, подключил по hdmi к телевизору. Поменял драйвера - звук пропал.
До nvidia использовал встроенную в материнку видеокарту (ATI). Там по началу со звуком были проблемы, но все подключил. Но теперь ubuntu 14.04 через alsamixer видит лишь две звуковухи встроенный Realtek и ATI (ATI R6xx HDMI). скриншоты alsamixer во вложениях к сообщению.


Как заставить alsamixer увидеть звук через nvidia?
lspci:
00:00.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Device 1422
00:00.2 IOMMU: Advanced Micro Devices, Inc. [AMD] Device 1423
00:01.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Kaveri [Radeon R7 200 Series]
00:01.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] Device 1308
00:02.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Device 1424
00:02.1 PCI bridge: Advanced Micro Devices, Inc. [AMD] Device 1425
00:03.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Device 1424
00:03.1 PCI bridge: Advanced Micro Devices, Inc. [AMD] Device 1426
00:04.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Device 1424
00:10.0 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB XHCI Controller (rev 09)
00:10.1 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB XHCI Controller (rev 09)
00:11.0 SATA controller: Advanced Micro Devices, Inc. [AMD] FCH SATA Controller [AHCI mode] (rev 40)
00:12.0 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB OHCI Controller (rev 11)
00:12.2 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB EHCI Controller (rev 11)
00:13.0 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB OHCI Controller (rev 11)
00:13.2 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB EHCI Controller (rev 11)
00:14.0 SMBus: Advanced Micro Devices, Inc. [AMD] FCH SMBus Controller (rev 16)
00:14.2 Audio device: Advanced Micro Devices, Inc. [AMD] FCH Azalia Controller (rev 01)
00:14.3 ISA bridge: Advanced Micro Devices, Inc. [AMD] FCH LPC Bridge (rev 11)
00:14.4 PCI bridge: Advanced Micro Devices, Inc. [AMD] FCH PCI Bridge (rev 40)
00:14.5 USB controller: Advanced Micro Devices, Inc. [AMD] FCH USB OHCI Controller (rev 11)
00:18.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Device 141a
00:18.1 Host bridge: Advanced Micro Devices, Inc. [AMD] Device 141b
00:18.2 Host bridge: Advanced Micro Devices, Inc. [AMD] Device 141c
00:18.3 Host bridge: Advanced Micro Devices, Inc. [AMD] Device 141d
00:18.4 Host bridge: Advanced Micro Devices, Inc. [AMD] Device 141e
00:18.5 Host bridge: Advanced Micro Devices, Inc. [AMD] Device 141f
01:00.0 VGA compatible controller: NVIDIA Corporation GF119 [GeForce GT 610] (rev a1)
01:00.1 Audio device: NVIDIA Corporation GF119 HDMI Audio Controller (rev a1)
02:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 06)
lsmod:
Module Size Used by
af_packet 29367 2
rfcomm 33496 0
bnep 11105 2
bluetooth 289335 10 bnep,rfcomm
rfkill 18420 3 bluetooth
ipv6 354632 26
binfmt_misc 7359 1
nls_utf8 1389 1
nls_cp437 6319 1
vfat 10259 1
fat 54768 1 vfat
fglrx 12448227 0
nvidia 8632070 44
joydev 10433 0
dm_multipath 16355 0
scsi_dh 6362 1 dm_multipath
kvm_amd 51070 0
kvm 428015 1 kvm_amd
crct10dif_pclmul 5452 0
crc32_pclmul 2973 0
ghash_clmulni_intel 4318 0
aesni_intel 157829 0
aes_x86_64 7739 1 aesni_intel
lrw 3958 1 aesni_intel
gf128mul 7575 1 lrw
glue_helper 5494 1 aesni_intel
ablk_helper 2893 1 aesni_intel
cryptd 9183 3 ghash_clmulni_intel,aesni_intel,ablk_helper
snd_seq_dummy 1750 0
serio_raw 4754 0
snd_seq_oss 28424 0
efivars 9654 0
snd_seq_midi 5484 0
snd_seq_midi_event 6915 2 snd_seq_oss,snd_seq_midi
fam15h_power 2985 0
snd_hda_codec_realtek 62293 1
snd_hda_codec_generic 55052 1 snd_hda_codec_realtek
k10temp 3568 0
edac_core 49442 0
edac_mce_amd 14362 0
snd_rawmidi 21402 1 snd_seq_midi
i2c_piix4 9342 0
snd_hda_codec_hdmi 37842 1
ehci_pci 3738 0
ehci_hcd 45580 1 ehci_pci
snd_seq 51367 6 snd_seq_midi_event,snd_seq_oss,snd_seq_dummy,snd_seq_midi
snd_hda_intel 24418 5
snd_hda_controller 24220 1 snd_hda_intel
snd_hda_codec 121295 5 snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_intel,snd_hda_controller
snd_hwdep 6618 1 snd_hda_codec
snd_pcm_oss 37876 0
snd_mixer_oss 14461 1 snd_pcm_oss
snd_pcm 91980 5 snd_pcm_oss,snd_hda_codec_hdmi,snd_hda_codec,snd_hda_intel,snd_hda_controller
fuse 80201 0
snd_seq_device 6249 5 snd_seq,snd_rawmidi,snd_seq_oss,snd_seq_dummy,snd_seq_midi
snd_timer 20610 2 snd_pcm,snd_seq
drm 295639 3 nvidia
i2c_core 44594 3 drm,i2c_piix4,nvidia
shpchp 26191 0
snd 70178 24 snd_hda_codec_realtek,snd_pcm_oss,snd_hwdep,snd_timer,snd_hda_codec_hdmi,snd_pcm,snd_seq,snd_rawmidi,snd_hda_codec_generic,snd_hda_codec,snd_hda_intel,snd_seq_oss,snd_seq_device,snd_mixer_oss
soundcore 7183 2 snd,snd_hda_codec
amd_iommu_v2 8236 1 fglrx
rtc_cmos 9014 0
tpm_infineon 8707 0
tpm_tis 8860 0
evdev 10663 26
tpm 26086 2 tpm_tis,tpm_infineon
acpi_cpufreq 8397 0
processor 26345 5 acpi_cpufreq
parport_pc 31886 1
ppdev 5822 0
lp 10258 0
parport 35880 3 lp,ppdev,parport_pc
ext4 518453 2
crc16 1683 2 ext4,bluetooth
jbd2 92819 1 ext4
mbcache 10116 1 ext4
btrfs 870012 0
xor 11419 1 btrfs
raid6_pq 93460 1 btrfs
dm_mirror 12808 0
dm_region_hash 10237 1 dm_mirror
dm_log 8963 2 dm_region_hash,dm_mirror
dm_mod 88035 3 dm_multipath,dm_log,dm_mirror
sr_mod 16152 0
cdrom 30371 1 sr_mod
sd_mod 40029 5
hid_generic 1311 0
usbhid 37118 0
ahci 24774 4
crc32c_intel 13118 1
libahci 25856 1 ahci
psmouse 91787 0
libata 202203 2 ahci,libahci
scsi_mod 213487 4 scsi_dh,libata,sd_mod,sr_mod
ohci_pci 3218 0
ohci_hcd 29581 1 ohci_pci
xhci_hcd 111768 0
r8169 60542 0
mii 5118 1 r8169
video 14525 0
button 5334 1 fglrx
lsmod | grep sndsnd_seq_dummy 1750 0
snd_seq_oss 28424 0
snd_seq_midi 5484 0
snd_seq_midi_event 6915 2 snd_seq_oss,snd_seq_midi
snd_hda_codec_realtek 62293 1
snd_hda_codec_generic 55052 1 snd_hda_codec_realtek
snd_rawmidi 21402 1 snd_seq_midi
snd_hda_codec_hdmi 37842 1
snd_seq 51367 6 snd_seq_midi_event,snd_seq_oss,snd_seq_dummy,snd_seq_midi
snd_hda_intel 24418 5
snd_hda_controller 24220 1 snd_hda_intel
snd_hda_codec 121295 5 snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_intel,snd_hda_controller
snd_hwdep 6618 1 snd_hda_codec
snd_pcm_oss 37876 0
snd_mixer_oss 14461 1 snd_pcm_oss
snd_pcm 91980 5 snd_pcm_oss,snd_hda_codec_hdmi,snd_hda_codec,snd_hda_intel,snd_hda_controller
snd_seq_device 6249 5 snd_seq,snd_rawmidi,snd_seq_oss,snd_seq_dummy,snd_seq_midi
snd_timer 20610 2 snd_pcm,snd_seq
snd 70178 24 snd_hda_codec_realtek,snd_pcm_oss,snd_hwdep,snd_timer,snd_hda_codec_hdmi,snd_pcm,snd_seq,snd_rawmidi,snd_hda_codec_generic,snd_hda_codec,snd_hda_intel,snd_seq_oss,snd_seq_device,snd_mixer_oss