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Linux/sound/Kconfig

  1 menuconfig SOUND
  2         tristate "Sound card support"
  3         depends on HAS_IOMEM
  4         help
  5           If you have a sound card in your computer, i.e. if it can say more
  6           than an occasional beep, say Y.  Be sure to have all the information
  7           about your sound card and its configuration down (I/O port,
  8           interrupt and DMA channel), because you will be asked for it.
  9 
 10           You want to read the Sound-HOWTO, available from
 11           <http://www.tldp.org/docs.html#howto>. General information about
 12           the modular sound system is contained in the files
 13           <file:Documentation/sound/oss/Introduction>.  The file
 14           <file:Documentation/sound/oss/README.OSS> contains some slightly
 15           outdated but still useful information as well.  Newer sound
 16           driver documentation is found in <file:Documentation/sound/alsa/*>.
 17 
 18           If you have a PnP sound card and you want to configure it at boot
 19           time using the ISA PnP tools (read
 20           <http://www.roestock.demon.co.uk/isapnptools/>), then you need to
 21           compile the sound card support as a module and load that module
 22           after the PnP configuration is finished.  To do this, choose M here
 23           and read <file:Documentation/sound/oss/README.modules>; the module
 24           will be called soundcore.
 25 
 26 if SOUND
 27 
 28 config SOUND_OSS_CORE
 29         bool
 30         default n
 31 
 32 config SOUND_OSS_CORE_PRECLAIM
 33         bool "Preclaim OSS device numbers"
 34         depends on SOUND_OSS_CORE
 35         default y
 36         help
 37           With this option enabled, the kernel will claim all OSS device
 38           numbers if any OSS support (native or emulation) is enabled
 39           whether the respective module is loaded or not and try to load the
 40           appropriate module using sound-slot/service-* and char-major-*
 41           module aliases when one of the device numbers is opened.  With
 42           this option disabled, kernel will only claim actually in-use
 43           device numbers and opening a missing device will generate only the
 44           standard char-major-* aliases.
 45 
 46           The only visible difference is use of additional module aliases
 47           and whether OSS sound devices appear multiple times in
 48           /proc/devices.  sound-slot/service-* module aliases are scheduled
 49           to be removed (ie. PRECLAIM won't be available) and this option is
 50           to make the transition easier.  This option can be overridden
 51           during boot using the kernel parameter soundcore.preclaim_oss.
 52 
 53           Disabling this allows alternative OSS implementations.
 54 
 55           If unsure, say Y.
 56 
 57 source "sound/oss/dmasound/Kconfig"
 58 
 59 if !M68K && !UML
 60 
 61 menuconfig SND
 62         tristate "Advanced Linux Sound Architecture"
 63         help
 64           Say 'Y' or 'M' to enable ALSA (Advanced Linux Sound Architecture),
 65           the new base sound system.
 66 
 67           For more information, see <http://www.alsa-project.org/>
 68 
 69 if SND
 70 
 71 source "sound/core/Kconfig"
 72 
 73 source "sound/drivers/Kconfig"
 74 
 75 source "sound/isa/Kconfig"
 76 
 77 source "sound/pci/Kconfig"
 78 
 79 source "sound/ppc/Kconfig"
 80 
 81 source "sound/aoa/Kconfig"
 82 
 83 source "sound/arm/Kconfig"
 84 
 85 source "sound/atmel/Kconfig"
 86 
 87 source "sound/spi/Kconfig"
 88 
 89 source "sound/mips/Kconfig"
 90 
 91 source "sound/sh/Kconfig"
 92 
 93 # the following will depend on the order of config.
 94 # here assuming USB is defined before ALSA
 95 source "sound/usb/Kconfig"
 96 
 97 source "sound/firewire/Kconfig"
 98 
 99 # the following will depend on the order of config.
100 # here assuming PCMCIA is defined before ALSA
101 source "sound/pcmcia/Kconfig"
102 
103 source "sound/sparc/Kconfig"
104 
105 source "sound/parisc/Kconfig"
106 
107 source "sound/soc/Kconfig"
108 
109 endif # SND
110 
111 menuconfig SOUND_PRIME
112         tristate "Open Sound System (DEPRECATED)"
113         select SOUND_OSS_CORE
114         help
115           Say 'Y' or 'M' to enable Open Sound System drivers.
116 
117 if SOUND_PRIME
118 
119 source "sound/oss/Kconfig"
120 
121 endif # SOUND_PRIME
122 
123 endif # !M68K
124 
125 endif # SOUND
126 
127 # AC97_BUS is used from both sound and ucb1400
128 config AC97_BUS
129         tristate
130         help
131           This is used to avoid config and link hard dependencies between the
132           sound subsystem and other function drivers completely unrelated to
133           sound although they're sharing the AC97 bus. Concerned drivers
134           should "select" this.

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