···280280 no: ACPI OperationRegions are not marked as reserved,281281 no further checks are performed.282282283283- ad1848= [HW,OSS]284284- Format: <io>,<irq>,<dma>,<dma2>,<type>285285-286283 add_efi_memmap [EFI; X86] Include EFI memory map in287284 kernel's map of available physical RAM.288285289286 advansys= [HW,SCSI]290287 See header of drivers/scsi/advansys.c.291291-292292- aedsp16= [HW,OSS] Audio Excel DSP 16293293- Format: <io>,<irq>,<dma>,<mss_io>,<mpu_io>,<mpu_irq>294294- See also header of sound/oss/aedsp16.c.295288296289 agp= [AGP]297290 { off | try_unsupported }···303310304311 aic79xx= [HW,SCSI]305312 See Documentation/scsi/aic79xx.txt.313313+314314+ ALSA [HW,ALSA]315315+ See Documentation/sound/alsa/alsa-parameters.txt306316307317 alignment= [KNL,ARM]308318 Allow the default userspace alignment fault handler···650654 disable_timer_pin_1 [X86]651655 Disable PIN 1 of APIC timer652656 Can be useful to work around chipset bugs.653653-654654- dmasound= [HW,OSS] Sound subsystem buffers655657656658 dma_debug=off If the kernel is compiled with DMA_API_DEBUG support,657659 this option disables the debugging code at boot.···15171523 that the amount of memory usable for all allocations15181524 is not too small.1519152515201520- mpu401= [HW,OSS]15211521- Format: <io>,<irq>15221522-15231526 MTD_Partition= [MTD]15241527 Format: <name>,<region-number>,<size>,<offset>15251528···18401849 For example, to override I2C bus2:18411850 omap_mux=i2c2_scl.i2c2_scl=0x100,i2c2_sda.i2c2_sda=0x1001842185118431843- opl3= [HW,OSS]18441844- Format: <io>18451845-18461852 oprofile.timer= [HW]18471853 Use timer interrupt instead of performance counters18481854···18501862 arch_perfmon: [X86] Force use of architectural18511863 perfmon on Intel CPUs instead of the18521864 CPU specific event set.18651865+18661866+ OSS [HW,OSS]18671867+ See Documentation/sound/oss/oss-parameters.txt1853186818541869 osst= [HW,SCSI] SCSI Tape Driver18551870 Format: <buffer_size>,<write_threshold>···18891898 up parallel port mode and sets it to spp.18901899 Currently this function knows 686a and 8231 chips.18911900 Format: [spp|ps2|epp|ecp|ecpepp]18921892-18931893- pas2= [HW,OSS] Format:18941894- <io>,<irq>,<dma>,<dma16>,<sb_io>,<sb_irq>,<sb_dma>,<sb_dma16>1895190118961902 pas16= [HW,SCSI]18971903 See header of drivers/scsi/pas16.c.···21572169 [HW,MOUSE] Controls Logitech smartscroll autorepeat.21582170 0 = disabled, 1 = enabled (default).2159217121602160- pss= [HW,OSS] Personal Sound System (ECHO ESC614)21612161- Format:21622162- <io>,<mss_io>,<mss_irq>,<mss_dma>,<mpu_io>,<mpu_irq>21632163-21642172 pt. [PARIDE]21652173 See Documentation/blockdev/paride.txt.21662174···23652381 1: Fast pin select (default)23662382 2: ATC IRMode2367238323682368- snd-ad1816a= [HW,ALSA]23692369-23702370- snd-ad1848= [HW,ALSA]23712371-23722372- snd-ali5451= [HW,ALSA]23732373-23742374- snd-als100= [HW,ALSA]23752375-23762376- snd-als4000= [HW,ALSA]23772377-23782378- snd-azt2320= [HW,ALSA]23792379-23802380- snd-cmi8330= [HW,ALSA]23812381-23822382- snd-cmipci= [HW,ALSA]23832383-23842384- snd-cs4231= [HW,ALSA]23852385-23862386- snd-cs4232= [HW,ALSA]23872387-23882388- snd-cs4236= [HW,ALSA]23892389-23902390- snd-cs4281= [HW,ALSA]23912391-23922392- snd-cs46xx= [HW,ALSA]23932393-23942394- snd-dt019x= [HW,ALSA]23952395-23962396- snd-dummy= [HW,ALSA]23972397-23982398- snd-emu10k1= [HW,ALSA]23992399-24002400- snd-ens1370= [HW,ALSA]24012401-24022402- snd-ens1371= [HW,ALSA]24032403-24042404- snd-es968= [HW,ALSA]24052405-24062406- snd-es1688= [HW,ALSA]24072407-24082408- snd-es18xx= [HW,ALSA]24092409-24102410- snd-es1938= [HW,ALSA]24112411-24122412- snd-es1968= [HW,ALSA]24132413-24142414- snd-fm801= [HW,ALSA]24152415-24162416- snd-gusclassic= [HW,ALSA]24172417-24182418- snd-gusextreme= [HW,ALSA]24192419-24202420- snd-gusmax= [HW,ALSA]24212421-24222422- snd-hdsp= [HW,ALSA]24232423-24242424- snd-ice1712= [HW,ALSA]24252425-24262426- snd-intel8x0= [HW,ALSA]24272427-24282428- snd-interwave= [HW,ALSA]24292429-24302430- snd-interwave-stb=24312431- [HW,ALSA]24322432-24332433- snd-korg1212= [HW,ALSA]24342434-24352435- snd-maestro3= [HW,ALSA]24362436-24372437- snd-mpu401= [HW,ALSA]24382438-24392439- snd-mtpav= [HW,ALSA]24402440-24412441- snd-nm256= [HW,ALSA]24422442-24432443- snd-opl3sa2= [HW,ALSA]24442444-24452445- snd-opti92x-ad1848=24462446- [HW,ALSA]24472447-24482448- snd-opti92x-cs4231=24492449- [HW,ALSA]24502450-24512451- snd-opti93x= [HW,ALSA]24522452-24532453- snd-pmac= [HW,ALSA]24542454-24552455- snd-rme32= [HW,ALSA]24562456-24572457- snd-rme96= [HW,ALSA]24582458-24592459- snd-rme9652= [HW,ALSA]24602460-24612461- snd-sb8= [HW,ALSA]24622462-24632463- snd-sb16= [HW,ALSA]24642464-24652465- snd-sbawe= [HW,ALSA]24662466-24672467- snd-serial= [HW,ALSA]24682468-24692469- snd-sgalaxy= [HW,ALSA]24702470-24712471- snd-sonicvibes= [HW,ALSA]24722472-24732473- snd-sun-amd7930=24742474- [HW,ALSA]24752475-24762476- snd-sun-cs4231= [HW,ALSA]24772477-24782478- snd-trident= [HW,ALSA]24792479-24802480- snd-usb-audio= [HW,ALSA,USB]24812481-24822482- snd-via82xx= [HW,ALSA]24832483-24842484- snd-virmidi= [HW,ALSA]24852485-24862486- snd-wavefront= [HW,ALSA]24872487-24882488- snd-ymfpci= [HW,ALSA]24892489-24902384 softlockup_panic=24912385 [KNL] Should the soft-lockup detector generate panics.24922386···23782516 spia_fio_base=23792517 spia_pedr=23802518 spia_peddr=23812381-23822382- sscape= [HW,OSS]23832383- Format: <io>,<irq>,<dma>,<mpu_io>,<mpu_irq>2384251923852520 st= [HW,SCSI] SCSI tape parameters (buffers, etc.)23862521 See Documentation/scsi/st.txt.···25182659 to facilitate early boot debugging.25192660 See also Documentation/trace/events.txt2520266125212521- trix= [HW,OSS] MediaTrix AudioTrix Pro25222522- Format:25232523- <io>,<irq>,<dma>,<dma2>,<sb_io>,<sb_irq>,<sb_dma>,<mpu_io>,<mpu_irq>25242524-25252662 tsc= Disable clocksource-must-verify flag for TSC.25262663 Format: <string>25272664 [x86] reliable: mark tsc clocksource as reliable, this···2533267825342679 u14-34f= [HW,SCSI] UltraStor 14F/34F SCSI host adapter25352680 See header of drivers/scsi/u14-34f.c.25362536-25372537- uart401= [HW,OSS]25382538- Format: <io>,<irq>25392539-25402540- uart6850= [HW,OSS]25412541- Format: <io>,<irq>2542268125432682 uhash_entries= [KNL,NET]25442683 Set number of hash buckets for UDP/UDP-Lite connections···26992850 overridden by individual drivers. 0 will hide27002851 cursors, 1 will display them.2701285227022702- waveartist= [HW,OSS]27032703- Format: <io>,<irq>,<dma>,<dma2>27042704-27052853 wd33c93= [HW,SCSI]27062854 See header of drivers/scsi/wd33c93.c.27072855···2731288527322886TODO:2733288727342734- Add documentation for ALSA options.27352888 Add more DRM drivers.
+135
Documentation/sound/alsa/alsa-parameters.txt
···11+ ALSA Kernel Parameters22+ ~~~~~~~~~~~~~~~~~~~~~~33+44+See Documentation/kernel-parameters.txt for general information on55+specifying module parameters.66+77+This document may not be entirely up to date and comprehensive. The command88+"modinfo -p ${modulename}" shows a current list of all parameters of a loadable99+module. Loadable modules, after being loaded into the running kernel, also1010+reveal their parameters in /sys/module/${modulename}/parameters/. Some of these1111+parameters may be changed at runtime by the command1212+"echo -n ${value} > /sys/module/${modulename}/parameters/${parm}".1313+1414+1515+ snd-ad1816a= [HW,ALSA]1616+1717+ snd-ad1848= [HW,ALSA]1818+1919+ snd-ali5451= [HW,ALSA]2020+2121+ snd-als100= [HW,ALSA]2222+2323+ snd-als4000= [HW,ALSA]2424+2525+ snd-azt2320= [HW,ALSA]2626+2727+ snd-cmi8330= [HW,ALSA]2828+2929+ snd-cmipci= [HW,ALSA]3030+3131+ snd-cs4231= [HW,ALSA]3232+3333+ snd-cs4232= [HW,ALSA]3434+3535+ snd-cs4236= [HW,ALSA]3636+3737+ snd-cs4281= [HW,ALSA]3838+3939+ snd-cs46xx= [HW,ALSA]4040+4141+ snd-dt019x= [HW,ALSA]4242+4343+ snd-dummy= [HW,ALSA]4444+4545+ snd-emu10k1= [HW,ALSA]4646+4747+ snd-ens1370= [HW,ALSA]4848+4949+ snd-ens1371= [HW,ALSA]5050+5151+ snd-es968= [HW,ALSA]5252+5353+ snd-es1688= [HW,ALSA]5454+5555+ snd-es18xx= [HW,ALSA]5656+5757+ snd-es1938= [HW,ALSA]5858+5959+ snd-es1968= [HW,ALSA]6060+6161+ snd-fm801= [HW,ALSA]6262+6363+ snd-gusclassic= [HW,ALSA]6464+6565+ snd-gusextreme= [HW,ALSA]6666+6767+ snd-gusmax= [HW,ALSA]6868+6969+ snd-hdsp= [HW,ALSA]7070+7171+ snd-ice1712= [HW,ALSA]7272+7373+ snd-intel8x0= [HW,ALSA]7474+7575+ snd-interwave= [HW,ALSA]7676+7777+ snd-interwave-stb=7878+ [HW,ALSA]7979+8080+ snd-korg1212= [HW,ALSA]8181+8282+ snd-maestro3= [HW,ALSA]8383+8484+ snd-mpu401= [HW,ALSA]8585+8686+ snd-mtpav= [HW,ALSA]8787+8888+ snd-nm256= [HW,ALSA]8989+9090+ snd-opl3sa2= [HW,ALSA]9191+9292+ snd-opti92x-ad1848=9393+ [HW,ALSA]9494+9595+ snd-opti92x-cs4231=9696+ [HW,ALSA]9797+9898+ snd-opti93x= [HW,ALSA]9999+100100+ snd-pmac= [HW,ALSA]101101+102102+ snd-rme32= [HW,ALSA]103103+104104+ snd-rme96= [HW,ALSA]105105+106106+ snd-rme9652= [HW,ALSA]107107+108108+ snd-sb8= [HW,ALSA]109109+110110+ snd-sb16= [HW,ALSA]111111+112112+ snd-sbawe= [HW,ALSA]113113+114114+ snd-serial= [HW,ALSA]115115+116116+ snd-sgalaxy= [HW,ALSA]117117+118118+ snd-sonicvibes= [HW,ALSA]119119+120120+ snd-sun-amd7930=121121+ [HW,ALSA]122122+123123+ snd-sun-cs4231= [HW,ALSA]124124+125125+ snd-trident= [HW,ALSA]126126+127127+ snd-usb-audio= [HW,ALSA,USB]128128+129129+ snd-via82xx= [HW,ALSA]130130+131131+ snd-virmidi= [HW,ALSA]132132+133133+ snd-wavefront= [HW,ALSA]134134+135135+ snd-ymfpci= [HW,ALSA]
+51
Documentation/sound/oss/oss-parameters.txt
···11+ OSS Kernel Parameters22+ ~~~~~~~~~~~~~~~~~~~~~33+44+See Documentation/kernel-parameters.txt for general information on55+specifying module parameters.66+77+This document may not be entirely up to date and comprehensive. The command88+"modinfo -p ${modulename}" shows a current list of all parameters of a loadable99+module. Loadable modules, after being loaded into the running kernel, also1010+reveal their parameters in /sys/module/${modulename}/parameters/. Some of these1111+parameters may be changed at runtime by the command1212+"echo -n ${value} > /sys/module/${modulename}/parameters/${parm}".1313+1414+1515+ ad1848= [HW,OSS]1616+ Format: <io>,<irq>,<dma>,<dma2>,<type>1717+1818+ aedsp16= [HW,OSS] Audio Excel DSP 161919+ Format: <io>,<irq>,<dma>,<mss_io>,<mpu_io>,<mpu_irq>2020+ See also header of sound/oss/aedsp16.c.2121+2222+ dmasound= [HW,OSS] Sound subsystem buffers2323+2424+ mpu401= [HW,OSS]2525+ Format: <io>,<irq>2626+2727+ opl3= [HW,OSS]2828+ Format: <io>2929+3030+ pas2= [HW,OSS] Format:3131+ <io>,<irq>,<dma>,<dma16>,<sb_io>,<sb_irq>,<sb_dma>,<sb_dma16>3232+3333+ pss= [HW,OSS] Personal Sound System (ECHO ESC614)3434+ Format:3535+ <io>,<mss_io>,<mss_irq>,<mss_dma>,<mpu_io>,<mpu_irq>3636+3737+ sscape= [HW,OSS]3838+ Format: <io>,<irq>,<dma>,<mpu_io>,<mpu_irq>3939+4040+ trix= [HW,OSS] MediaTrix AudioTrix Pro4141+ Format:4242+ <io>,<irq>,<dma>,<dma2>,<sb_io>,<sb_irq>,<sb_dma>,<mpu_io>,<mpu_irq>4343+4444+ uart401= [HW,OSS]4545+ Format: <io>,<irq>4646+4747+ uart6850= [HW,OSS]4848+ Format: <io>,<irq>4949+5050+ waveartist= [HW,OSS]5151+ Format: <io>,<irq>,<dma>,<dma2>