The following issue has been SUBMITTED. ====================================================================== <https://bugtrack.alsa-project.org/alsa-bug/view.php?id=2240> ====================================================================== Reported By: Alexis_Cousein Assigned To: ====================================================================== Project: ALSA - driver Issue ID: 2240 Category: PCI - intel8x0 Reproducibility: always Severity: major Priority: normal Status: new Distribution: SuSE 10.1 Kernel Version: 2.6.16.13-4-smp ====================================================================== Date Submitted: 06-28-2006 18:21 CEST Last Modified: 06-28-2006 18:21 CEST ====================================================================== Summary: no microphone capture from motherboard onboard sound using intel8x0 driver Description: I'm using Skype on (ugh!) Windows for the moment, and microphone is fully functional. Plugged in the back of the PC (which should be Mic1); there's a second Mic input at the front. In SuSE 10.1, microphone doesn't work. krecord, arecord and Skype all record silence (or a constant pitch signal at very high gains), even though mixer settings appear correct. Evidently, some parts of ALSA do think they're recording from the microphone, because there is a 20dB boost to whatever constant pitch thinggummie is recorded when toggling the Mic boost in the mixer. Plugging Microphone in other port doesn't change anything; neither does selecting Mic2 in the mixer panel. lspci details: 00:1f.5 Multimedia audio controller: Intel Corporation 82801EB/ER (ICH5/ICH5R) AC'97 Audio Controller (rev 02) yggdrasil:/proc/asound/card0/codec97#0 # cat ac97#0-0 0-0/0: C-Media Electronics CMI9780 PCI Subsys Vendor: 0x1462 PCI Subsys Device: 0x0480 Revision : 0x01 Compat. Class : 0x04 Subsys. Vendor ID: 0x8086 Subsys. ID : 0x1234 Capabilities : DAC resolution : 16-bit ADC resolution : 16-bit 3D enhancement : No 3D Stereo Enhancement Current setup Mic gain : +20dB [+20dB] POP path : pre 3D Sim. stereo : off 3D enhancement : off Loudness : off Mono output : MIX Mic select : Mic1 ADC/DAC loopback : off Double rate slots: 10/11 Extended ID : codec=0 rev=2 AMAP LDAC SDAC CDAC DSA=0 SPDIF DRA Extended status : SPCV LDAC SDAC CDAC SPDIF=10/11 SPDIF Control : Consumer PCM Category=0x2 Generation=1 Rate=48kHz yggdrasil:/proc/asound/card0/codec97#0 # cat ac97#0-0+regs 0:00 = 0000 0:02 = 0808 0:04 = 0000 0:06 = 0000 0:08 = 0000 0:0a = 8000 0:0c = 0000 0:0e = 0040 0:10 = 9f1f 0:12 = 1f1f 0:14 = 8000 0:16 = 8000 0:18 = 0808 0:1a = 0000 0:1c = 0f0f 0:1e = 0000 0:20 = 0000 0:22 = 0000 0:24 = 0001 0:26 = 800f 0:28 = 0bc6 0:2a = 05f0 0:2c = 0000 0:2e = 0000 0:30 = 0000 0:32 = 0000 0:34 = 0000 0:36 = 8080 0:38 = 8080 0:3a = 2824 0:3c = 0000 0:3e = 0000 0:40 = 0000 0:42 = 0000 0:44 = 0000 0:46 = 0000 0:48 = 0000 0:4a = 0000 0:4c = 0000 0:4e = 0000 0:50 = 0000 0:52 = 0000 0:54 = 0000 0:56 = 0000 0:58 = 0000 0:5a = 0000 0:5c = 0004 0:5e = 0000 0:60 = 0401 0:62 = 8086 0:64 = 1234 0:66 = 0000 0:68 = 0000 0:6a = 0000 amixer output: Simple mixer control 'Master',0 Capabilities: pvolume pswitch pswitch-joined Playback channels: Front Left - Front Right Limits: Playback 0 - 31 Mono: Front Left: Playback 23 [74%] [on] Front Right: Playback 23 [74%] [on] Simple mixer control 'PCM',0 Capabilities: pvolume pswitch pswitch-joined Playback channels: Front Left - Front Right Limits: Playback 0 - 255 Mono: Front Left: Playback 230 [90%] [on] Front Right: Playback 230 [90%] [on] Simple mixer control 'Surround',0 Capabilities: pswitch Playback channels: Front Left - Front Right Mono: Front Left: Playback [off] Front Right: Playback [off] Simple mixer control 'Center',0 Capabilities: pvolume pvolume-joined pswitch pswitch-joined Playback channels: Mono Limits: Playback 0 - 31 Mono: Playback 31 [100%] [off] Simple mixer control 'LFE',0 Capabilities: pvolume pvolume-joined pswitch pswitch-joined Playback channels: Mono Limits: Playback 0 - 31 Mono: Playback 31 [100%] [off] Simple mixer control 'Side',0 Capabilities: pvolume pswitch enum Items: 'Front' 'Side' 'Center/LFE' 'Rear' Item0: 'Front' Item1: 'Front' Simple mixer control 'Line',0 Capabilities: pvolume pswitch pswitch-joined cswitch cswitch-exclusive Capture exclusive group: 0 Playback channels: Front Left - Front Right Capture channels: Front Left - Front Right Limits: Playback 0 - 31 Front Left: Playback 0 [0%] [off] Capture [off] Front Right: Playback 0 [0%] [off] Capture [off] Simple mixer control 'CD',0 Capabilities: pvolume pswitch pswitch-joined cswitch cswitch-exclusive Capture exclusive group: 0 Playback channels: Front Left - Front Right Capture channels: Front Left - Front Right Limits: Playback 0 - 31 Front Left: Playback 0 [0%] [on] Capture [off] Front Right: Playback 0 [0%] [on] Capture [off] Simple mixer control 'Mic',0 Capabilities: pvolume pswitch pswitch-joined cswitch cswitch-exclusive Capture exclusive group: 0 Playback channels: Front Left - Front Right Capture channels: Front Left - Front Right Limits: Playback 0 - 31 Front Left: Playback 31 [100%] [on] Capture [on] Front Right: Playback 31 [100%] [on] Capture [on] Simple mixer control 'Mic Boost (+20dB)',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [on] Simple mixer control 'Mic Select',0 Capabilities: enum Items: 'Mic1' 'Mic2' Item0: 'Mic1' Simple mixer control 'Video',0 Capabilities: pvolume pswitch pswitch-joined cswitch cswitch-exclusive Capture exclusive group: 0 Playback channels: Front Left - Front Right Capture channels: Front Left - Front Right Limits: Playback 0 - 31 Front Left: Playback 31 [100%] [off] Capture [off] Front Right: Playback 31 [100%] [off] Capture [off] Simple mixer control 'Phone',0 Capabilities: cswitch cswitch-exclusive Capture exclusive group: 0 Capture channels: Front Left - Front Right Front Left: Capture [off] Front Right: Capture [off] Simple mixer control 'IEC958',0 Capabilities: pswitch pswitch-joined cswitch cswitch-joined Playback channels: Mono Capture channels: Mono Mono: Playback [off] Capture [off] Simple mixer control 'IEC958 Capture Monitor',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [off] Simple mixer control 'IEC958 Capture Valid',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [off] Simple mixer control 'IEC958 Playback AC97-SPSA',0 Capabilities: volume volume-joined Playback channels: Mono Capture channels: Mono Limits: 0 - 3 Mono: 3 [100%] Simple mixer control 'IEC958 Playback Source',0 Capabilities: enum Items: 'AC-Link' 'ADC' 'SPDIF-In' Item0: 'SPDIF-In' Simple mixer control 'PC Speaker',0 Capabilities: pvolume pvolume-joined pswitch pswitch-joined Playback channels: Mono Limits: Playback 0 - 15 Mono: Playback 15 [100%] [off] Simple mixer control 'Aux',0 Capabilities: pvolume pswitch pswitch-joined cswitch cswitch-exclusive Capture exclusive group: 0 Playback channels: Front Left - Front Right Capture channels: Front Left - Front Right Limits: Playback 0 - 31 Front Left: Playback 31 [100%] [off] Capture [off] Front Right: Playback 31 [100%] [off] Capture [off] Simple mixer control 'Mono Output Select',0 Capabilities: enum Items: 'Mix' 'Mic' Item0: 'Mix' Simple mixer control 'Capture',0 Capabilities: cvolume cswitch cswitch-joined Capture channels: Front Left - Front Right Limits: Capture 0 - 15 Front Left: Capture 15 [100%] [on] Front Right: Capture 15 [100%] [on] Simple mixer control 'Mix',0 Capabilities: cswitch cswitch-exclusive Capture exclusive group: 0 Capture channels: Front Left - Front Right Front Left: Capture [off] Front Right: Capture [off] Simple mixer control 'Mix Mono',0 Capabilities: cswitch cswitch-exclusive Capture exclusive group: 0 Capture channels: Front Left - Front Right Front Left: Capture [off] Front Right: Capture [off] Simple mixer control 'DAC Clock Source',0 Capabilities: enum Items: 'AC-Link' 'SPDIF-In' 'Both' Item0: 'Both' Simple mixer control 'External Amplifier',0 Capabilities: pswitch pswitch-joined Playback channels: Mono Mono: Playback [off] ====================================================================== Issue History Date Modified Username Field Change ====================================================================== 06-28-06 18:21 Alexis_Cousein New Issue 06-28-06 18:21 Alexis_Cousein Distribution => SuSE 10.1 06-28-06 18:21 Alexis_Cousein Kernel Version => 2.6.16.13-4-smp ====================================================================== Using Tomcat but need to do more? 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