Portál AbcLinuxu, 16. července 2025 06:28


Dotaz: Intel 82801CA/CAM AC97 v IBM T32 - velmi tichy zvuk

BigWrigley avatar 25.3.2008 18:45 BigWrigley | skóre: 33
Intel 82801CA/CAM AC97 v IBM T32 - velmi tichy zvuk
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Zdravim.

Resim uz asi 3. den problem s nasl. HW: NTB IBM R32, zvukovka onboard Intel 82801CA/CAM. Debian a kernel 2.6.24-3, alsa 1.0.16. Driver je jasny: snd-intel8x0, resp. snd-intel8x0m pro modem cast. Moduly se natahnou, mixery na max, ale zvuk je velmi tichy. Je slyset, jen kdyz v xmms v ekvalizeru dam zesileni na max.

Zkousel jsem google a vsemozne quirks pro AC97, jako parametr k snd-intel8x0 ac97_quirk=1,2, ... Nic z toho nezabira. Pri prehravani pres emulaci oss je to stejne. Pri tom na tomhle nTB mi to kdysi bez problemu fungovalo, hadam, ze se muselo tak od 2.6.8 neco zmenit. S originalnim debian jadrem 2.6.18-6 to nefunguje take.

Samozrejme jsem hledal, problem se obsas vyskytuje, ale zadne rozumne reseni, krome zminenych quirks, jsem nenasel. Ma nekdo nejaky napad? Nebo aspon tip na funkcni USB zvukovku? Diky vsem. Ales

Vypis lspci:
00:1f.5 Multimedia audio controller: Intel Corporation 82801CA/CAM AC'97 Audio Controller (rev 02)
        Subsystem: IBM Unknown device 051f
         Flags: bus master, medium devsel, latency 0, IRQ 5
        I/O ports at 1c00 [size=256]
        I/O ports at 18c0 [size=64]


Helle:~# cat  /proc/asound/cards
 0 [I82801CAICH3   ]: ICH - Intel 82801CA-ICH3
                      Intel 82801CA-ICH3 with AD1881A at irq 5

Helle:~# lsmod | grep snd
snd_intel8x0           33052  1
snd_ac97_codec         94116  1 snd_intel8x0
ac97_bus                3072  1 snd_ac97_codec
snd_pcm_oss            39328  0
snd_mixer_oss          16768  1 snd_pcm_oss
snd_pcm                70532  3 snd_intel8x0,snd_ac97_codec,snd_pcm_oss
snd_timer              22404  1 snd_pcm
snd                    51364  6 snd_intel8x0,snd_ac97_codec,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_timer
soundcore               8544  1 snd
snd_page_alloc         11144  2 snd_intel8x0,snd_pcm
 
Linux is like a wigwam - no windows, no gates and Apache inside.
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kozzi avatar 25.3.2008 18:50 kozzi | skóre: 55 | blog: vse_o_vsem | Pacman (Bratrušov)
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a co vypis programu amixer
Linux je jako mušketýři "jeden za všechny, všichni za jednoho"
BigWrigley avatar 25.3.2008 20:13 BigWrigley | skóre: 33
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Tady je:
Helle:~# amixer
Simple mixer control 'Master',0
  Capabilities: pvolume pswitch pswitch-joined
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 63
  Mono:
  Front Left: Playback 63 [100%] [0.00dB] [on]
  Front Right: Playback 63 [100%] [0.00dB] [on]
Simple mixer control 'Master Mono',0
  Capabilities: pvolume pvolume-joined pswitch pswitch-joined
  Playback channels: Mono
  Limits: Playback 0 - 31
  Mono: Playback 31 [100%] [0.00dB] [on]
Simple mixer control '3D Control - Center',0
  Capabilities: volume volume-joined
  Playback channels: Mono
  Capture channels: Mono
  Limits: 0 - 15
  Mono: 15 [100%]
Simple mixer control '3D Control - Depth',0
  Capabilities: volume volume-joined
  Playback channels: Mono
  Capture channels: Mono
  Limits: 0 - 15
  Mono: 15 [100%]
Simple mixer control '3D Control - Switch',0
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [on]
Simple mixer control 'PCM',0
  Capabilities: pvolume pswitch pswitch-joined
  Playback channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Mono:
  Front Left: Playback 31 [100%] [12.00dB] [on]
  Front Right: Playback 31 [100%] [12.00dB] [on]
Simple mixer control 'PCM Out Path & Mute',0
  Capabilities: enum
  Items: 'pre 3D' 'post 3D'
  Item0: 'pre 3D'
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 31 [100%] [12.00dB] [off] Capture [off]
  Front Right: Playback 31 [100%] [12.00dB] [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 25 [81%] [3.00dB] [on] Capture [off]
  Front Right: Playback 25 [81%] [3.00dB] [on] Capture [off]
Simple mixer control 'Mic',0
  Capabilities: pvolume pvolume-joined pswitch pswitch-joined cswitch cswitch-exclusive
  Capture exclusive group: 0
  Playback channels: Mono
  Capture channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Mono: Playback 0 [0%] [-34.50dB] [off]
  Front Left: Capture [off]
  Front Right: Capture [off]
Simple mixer control 'Mic Boost (+20dB)',0
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [off]
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 0 [0%] [-34.50dB] [off] Capture [off]
  Front Right: Playback 0 [0%] [-34.50dB] [off] Capture [off]
Simple mixer control 'Phone',0
  Capabilities: pvolume pvolume-joined pswitch pswitch-joined cswitch cswitch-exclusive
  Capture exclusive group: 0
  Playback channels: Mono
  Capture channels: Front Left - Front Right
  Limits: Playback 0 - 31
  Mono: Playback 0 [0%] [-34.50dB] [off]
  Front Left: Capture [off]
  Front Right: Capture [off]
Simple mixer control 'PC Speaker',0
  Capabilities: pvolume pvolume-joined pswitch pswitch-joined
  Playback channels: Mono
  Limits: Playback 0 - 15
  Mono: Playback 15 [100%] [0.00dB] [on]
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 0 [0%] [-34.50dB] [off] Capture [off]
  Front Right: Playback 0 [0%] [-34.50dB] [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 0 [0%] [0.00dB] [on]
  Front Right: Capture 0 [0%] [0.00dB] [on]
Simple mixer control 'Mix',0
  Capabilities: cswitch cswitch-exclusive
  Capture exclusive group: 0
  Capture channels: Front Left - Front Right
  Front Left: Capture [on]
  Front Right: Capture [on]
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 'External Amplifier',0
  Capabilities: pswitch pswitch-joined
  Playback channels: Mono
  Mono: Playback [off]
Helle:~#            

Linux is like a wigwam - no windows, no gates and Apache inside.
25.3.2008 20:07 vencas | skóre: 32
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Výstup na sluchátka má hlasitost v pořádku? Pokud ano, mohlo by to být routingem. Vím že indel-hda šváby si každý zapojí trochu jinak, takže třeba u některých Acerů to bylo němé, dokud se nepřidal nový typ modelu do Alsy, který routoval jinak.
BigWrigley avatar 25.3.2008 20:11 BigWrigley | skóre: 33
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Ne, ten je prave velmi tichy. Z repro neni slyset vubec nic.
Linux is like a wigwam - no windows, no gates and Apache inside.
25.3.2008 21:00 R
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Skusal si pohrat sa v alsamixeri s tymi prepinacmi?
BigWrigley avatar 25.3.2008 21:19 BigWrigley | skóre: 33
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Jasne. Nekolikrat. Napr. regulator PCM funguje, funguje i "mute", tedy v ramci te celkove velmi nizke hlasitosti. Jinak nic, zadna zmena.

Jo, a koukam, ze jsme se seknul v titulku, ma to byt IBM R32.
Linux is like a wigwam - no windows, no gates and Apache inside.
25.3.2008 23:38 Jooky (inactive) | skóre: 39 | blog: Jooky | Bratislava
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nema ten notebook aj dalsiu na zvukovke nezavislu regulaciu ako moj IBM R51 ? (tlacidla na kb mi menia toto, nie veci v alse)
lukas@lukas ~ $ cat /proc/acpi/ibm/volume
level:          7
mute:           off
commands:       up, down, mute
commands:       level <level> (<level> is 0-15)
lukas@lukas ~ $             
BigWrigley avatar 26.3.2008 07:44 BigWrigley | skóre: 33
Rozbalit Rozbalit vše Re: Intel 82801CA/CAM AC97 v IBM T32 - velmi tichy zvuk
BINGO! Tak tohle me teda nenapadlo. Stacilo sahnout na tlacitka ovladani hlasitosti na ntb. Sice nemam /proc/acpi/ibm a tlacitka hlasitost nereguluji, ale zvuk evidentne ztlumen tlacitkem MUTE. Zkusim jeste juknout do jadra, jestli mi neco nechybi.

Diky moc za spravne nakopnuti!

Ales
Linux is like a wigwam - no windows, no gates and Apache inside.
26.3.2008 11:30 User682 | skóre: 38 | blog: aqarium | Praha
Rozbalit Rozbalit vše Re: Intel 82801CA/CAM AC97 v IBM T32 - velmi tichy zvuk
zdravim,

to co mozna take potrebujete se jmenuje thinkpad-acpi. Modul je v jadrech asi od rady 2.6.22.

Od nejake verse jadra je take snad pridan dalsi mixer nebo cast mixeru specielne pro ovladani specialnimi tlacitky na thinkpadech.

Obcas spolupracuji s vyvojarem modulu. Muzete mi poslat vypis prikazu dmidecode (pokud je treba, tak bez seriovych cisel) prikaz dmidecode > dmidecode a dsdt acpi tabulku cat /proc/acpi/dsdt > dsdt.dat

na email goldenfish at linuxsoft dot cz ?

Udaje o notebooku rady T32 jeste nejsou na wiki o thinkpadech a pomuze to i vyvoji modulu.

http://www.thinkwiki.org/wiki/List_of_DMI_IDs#T_series

diky Pavel Kysilka
BigWrigley avatar 26.3.2008 16:16 BigWrigley | skóre: 33
Rozbalit Rozbalit vše Re: Intel 82801CA/CAM AC97 v IBM T32 - velmi tichy zvuk
Dobry den, ve skutecnosti je to R32 - uklepnul jsem se v titulku. Nicmene vam to vecer poslu, koukal jsem, ze R32 na www.thinkwiki.org take zatim chybi.

Ales
Linux is like a wigwam - no windows, no gates and Apache inside.
27.3.2008 02:31 Jooky (inactive) | skóre: 39 | blog: Jooky | Bratislava
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neviem ci aj ta verzia je podporovana, ale na mojom R51 celkom dobre funguje toto:
lukas@lukas ~ $ eix -e tpb
[I] app-laptop/tpb
     Available versions:  0.6.4 {nls xosd}
     Installed versions:  0.6.4(15:41:40 11.02.2008)(nls xosd)
     Homepage:            http://savannah.nongnu.org/projects/tpb/
     Description:         IBM ThinkPad buttons utility

lukas@lukas ~ $           
Vecsinu casu mam mixer v alse nastaveny na 71 (master, pcm) a ostatok na 0, hlasitost menim len tlacidlami na booku a ten soft mi zobrazi ako som zmenil hlasitost.
btw funguje to aj na jas, thinklight a cez to sa da namapovat access ibm na nejaku app :o)
btw2. napr aj conky zvlada ukazovat tu hw hlasitost + hromadu dalsich veci z ibm booku

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