Hello,
I have a Lenovo ThinkPad T430 laptop, and sound works OK using snd_hda_intel driver,
except when the laptop is in the docking station and I'm trying to use the
audio output connector. When I connect audio cable to the docking station audio-output
3,5mm connector the audio gets silent, no audio signal anymore.
If I disconnect the cable from the dock, the internal speakers of the laptop do work again.
also the laptop built-in 3,5mm audio output works OK, it's just the audio-output on the
docking station that doesn't work.
Any ideas how to fix/troubleshoot this?
I've tried specifying "model=thinkpad" parameter for snd_hda_intel, but that doesn't seem to help.
I've tried with various Linux 3.5 and 3.6 kernels, on Fedora 17.
dmesg:
[ 11.870302] thinkpad_acpi: Console audio control enabled, mode: monitor (read only)
[ 12.300387] snd_hda_intel 0000:00:1b.0: irq 46 for MSI/MSI-X
[ 12.315548] ALSA sound/pci/hda/patch_realtek.c:1273 SKU: Nid=0x1d sku_cfg=0x40138205
[ 12.315549] ALSA sound/pci/hda/patch_realtek.c:1275 SKU: port_connectivity=0x1
[ 12.315551] ALSA sound/pci/hda/patch_realtek.c:1276 SKU: enable_pcbeep=0x1
[ 12.315552] ALSA sound/pci/hda/patch_realtek.c:1277 SKU: check_sum=0x00000003
[ 12.315553] ALSA sound/pci/hda/patch_realtek.c:1278 SKU: customization=0x00000082
[ 12.315554] ALSA sound/pci/hda/patch_realtek.c:1279 SKU: external_amp=0x0
[ 12.315556] ALSA sound/pci/hda/patch_realtek.c:1280 SKU: platform_type=0x1
[ 12.315557] ALSA sound/pci/hda/patch_realtek.c:1281 SKU: swap=0x0
[ 12.315558] ALSA sound/pci/hda/patch_realtek.c:1282 SKU: override=0x1
[ 12.315562] ALSA sound/pci/hda/hda_auto_parser.c:322 autoconfig: line_outs=1 (0x14/0x0/0x0/0x0/0x0) type:speaker
[ 12.315564] ALSA sound/pci/hda/hda_auto_parser.c:326 speaker_outs=0 (0x0/0x0/0x0/0x0/0x0)
[ 12.315565] ALSA sound/pci/hda/hda_auto_parser.c:330 hp_outs=2 (0x15/0x1b/0x0/0x0/0x0)
[ 12.315567] ALSA sound/pci/hda/hda_auto_parser.c:331 mono: mono_out=0x0
[ 12.315568] ALSA sound/pci/hda/hda_auto_parser.c:335 inputs:
[ 12.315570] ALSA sound/pci/hda/hda_auto_parser.c:339 Internal Mic=0x12
[ 12.315571] ALSA sound/pci/hda/hda_auto_parser.c:339 Mic=0x18
[ 12.315572] ALSA sound/pci/hda/hda_auto_parser.c:339 Dock Mic=0x19
[ 12.317012] ALSA sound/pci/hda/patch_realtek.c:1336 realtek: No valid SSID, checking pincfg 0x40138205 for NID 0x1d
[ 12.317014] ALSA sound/pci/hda/patch_realtek.c:1352 realtek: Enabling init ASM_ID=0x8205 CODEC_ID=10ec0269
[ 1424.875442] snd_hda_intel 0000:00:1b.0: irq 46 for MSI/MSI-X
[ 7489.769760] snd_hda_intel 0000:00:1b.0: irq 46 for MSI/MSI-X
$ cat /proc/asound/cards
0 [PCH ]: HDA-Intel - HDA Intel PCH
HDA Intel PCH at 0xf2530000 irq 46
29 [ThinkPadEC ]: ThinkPad EC - ThinkPad Console Audio Control
ThinkPad Console Audio Control at EC reg 0x30, fw unknown
-- Pasi
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