1config SND_MPU401_UART 2 tristate 3 select SND_RAWMIDI 4 5config SND_OPL3_LIB 6 tristate 7 select SND_TIMER 8 select SND_HWDEP 9 10config SND_OPL4_LIB 11 tristate 12 select SND_TIMER 13 select SND_HWDEP 14 15config SND_VX_LIB 16 tristate 17 select SND_HWDEP 18 select SND_PCM 19 20config SND_AC97_CODEC 21 tristate 22 select SND_PCM 23 select AC97_BUS 24 select SND_VMASTER 25 26menuconfig SND_DRIVERS 27 bool "Generic sound devices" 28 default y 29 help 30 Support for generic sound devices. 31 32if SND_DRIVERS 33 34config SND_PCSP 35 tristate "PC-Speaker support (READ HELP!)" 36 depends on PCSPKR_PLATFORM && X86 && HIGH_RES_TIMERS 37 depends on INPUT 38 depends on EXPERIMENTAL 39 select SND_PCM 40 help 41 If you don't have a sound card in your computer, you can include a 42 driver for the PC speaker which allows it to act like a primitive 43 sound card. 44 This driver also replaces the pcspkr driver for beeps. 45 46 You can compile this as a module which will be called snd-pcsp. 47 48 WARNING: if you already have a soundcard, enabling this 49 driver may lead to a problem. Namely, it may get loaded 50 before the other sound driver of yours, making the 51 pc-speaker a default sound device. Which is likely not 52 what you want. To make this driver play nicely with other 53 sound driver, you can add this in a configuration file under 54 /etc/modprobe.d/ directory: 55 options snd-pcsp index=2 56 57 You don't need this driver if you only want your pc-speaker to beep. 58 You don't need this driver if you have a tablet piezo beeper 59 in your PC instead of the real speaker. 60 61 Say N if you have a sound card. 62 Say M if you don't. 63 Say Y only if you really know what you do. 64 65config SND_DUMMY 66 tristate "Dummy (/dev/null) soundcard" 67 select SND_PCM 68 help 69 Say Y here to include the dummy driver. This driver does 70 nothing, but emulates various mixer controls and PCM devices. 71 72 You don't need this unless you're testing the hardware support 73 of programs using the ALSA API. 74 75 To compile this driver as a module, choose M here: the module 76 will be called snd-dummy. 77 78config SND_ALOOP 79 tristate "Generic loopback driver (PCM)" 80 select SND_PCM 81 help 82 Say 'Y' or 'M' to include support for the PCM loopback device. 83 This module returns played samples back to the user space using 84 the standard ALSA PCM device. The devices are routed 0->1 and 85 1->0, where first number is the playback PCM device and second 86 number is the capture device. Module creates two PCM devices and 87 configured number of substreams (see the pcm_substreams module 88 parameter). 89 90 The looback device allow time sychronization with an external 91 timing source using the time shift universal control (+-20% 92 of system time). 93 94 To compile this driver as a module, choose M here: the module 95 will be called snd-aloop. 96 97config SND_VIRMIDI 98 tristate "Virtual MIDI soundcard" 99 depends on SND_SEQUENCER 100 select SND_TIMER 101 select SND_RAWMIDI 102 help 103 Say Y here to include the virtual MIDI driver. This driver 104 allows to connect applications using raw MIDI devices to 105 sequencer clients. 106 107 If you don't know what MIDI is, say N here. 108 109 To compile this driver as a module, choose M here: the module 110 will be called snd-virmidi. 111 112config SND_MTPAV 113 tristate "MOTU MidiTimePiece AV multiport MIDI" 114 select SND_RAWMIDI 115 help 116 To use a MOTU MidiTimePiece AV multiport MIDI adapter 117 connected to the parallel port, say Y here and make sure that 118 the standard parallel port driver isn't used for the port. 119 120 To compile this driver as a module, choose M here: the module 121 will be called snd-mtpav. 122 123config SND_MTS64 124 tristate "ESI Miditerminal 4140 driver" 125 depends on PARPORT 126 select SND_RAWMIDI 127 help 128 The ESI Miditerminal 4140 is a 4 In 4 Out MIDI Interface with 129 additional SMPTE Timecode capabilities for the parallel port. 130 131 Say 'Y' to include support for this device. 132 133 To compile this driver as a module, chose 'M' here: the module 134 will be called snd-mts64. 135 136config SND_SERIAL_U16550 137 tristate "UART16550 serial MIDI driver" 138 select SND_RAWMIDI 139 help 140 To include support for MIDI serial port interfaces, say Y here 141 and read <file:Documentation/sound/alsa/serial-u16550.txt>. 142 This driver works with serial UARTs 16550 and better. 143 144 This driver accesses the serial port hardware directly, so 145 make sure that the standard serial driver isn't used or 146 deactivated with setserial before loading this driver. 147 148 To compile this driver as a module, choose M here: the module 149 will be called snd-serial-u16550. 150 151config SND_MPU401 152 tristate "Generic MPU-401 UART driver" 153 select SND_MPU401_UART 154 help 155 Say Y here to include support for MIDI ports compatible with 156 the Roland MPU-401 interface in UART mode. 157 158 To compile this driver as a module, choose M here: the module 159 will be called snd-mpu401. 160 161config SND_PORTMAN2X4 162 tristate "Portman 2x4 driver" 163 depends on PARPORT 164 select SND_RAWMIDI 165 help 166 Say Y here to include support for Midiman Portman 2x4 parallel 167 port MIDI device. 168 169 To compile this driver as a module, choose M here: the module 170 will be called snd-portman2x4. 171 172config SND_ML403_AC97CR 173 tristate "Xilinx ML403 AC97 Controller Reference" 174 depends on XILINX_VIRTEX 175 select SND_AC97_CODEC 176 help 177 Say Y here to include support for the 178 opb_ac97_controller_ref_v1_00_a ip core found in Xilinx's ML403 179 reference design. 180 181 To compile this driver as a module, choose M here: the module 182 will be called snd-ml403_ac97cr. 183 184config SND_AC97_POWER_SAVE 185 bool "AC97 Power-Saving Mode" 186 depends on SND_AC97_CODEC 187 default n 188 help 189 Say Y here to enable the aggressive power-saving support of 190 AC97 codecs. In this mode, the power-mode is dynamically 191 controlled at each open/close. 192 193 The mode is activated by passing 'power_save=X' to the 194 snd-ac97-codec driver module, where 'X' is the time-out 195 value, a nonnegative integer that specifies how many 196 seconds of idle time the driver must count before it may 197 put the AC97 into power-save mode; a value of 0 (zero) 198 disables the use of this power-save mode. 199 200 After the snd-ac97-codec driver module has been loaded, 201 the 'power_save' parameter can be set via sysfs as follows: 202 203 echo 10 > /sys/module/snd_ac97_codec/parameters/power_save 204 205 In this case, the time-out is set to 10 seconds; setting 206 the time-out to 1 second (the minimum activation value) 207 isn't recommended because many applications try to reopen 208 the device frequently. A value of 10 seconds would be a 209 good choice for normal operations. 210 211 See Documentation/sound/alsa/powersave.txt for more details. 212 213config SND_AC97_POWER_SAVE_DEFAULT 214 int "Default time-out for AC97 power-save mode" 215 depends on SND_AC97_POWER_SAVE 216 default 0 217 help 218 The default time-out value in seconds for AC97 automatic 219 power-save mode. 0 means to disable the power-save mode. 220 221 See SND_AC97_POWER_SAVE for more details. 222 223endif # SND_DRIVERS 224