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1# SPDX-License-Identifier: GPL-2.0-only2config SND_MPU401_UART3 tristate4 select SND_RAWMIDI5 6config SND_OPL3_LIB7 tristate8 select SND_TIMER9 select SND_HWDEP10 select SND_SEQ_DEVICE if SND_SEQUENCER != n11 12config SND_OPL4_LIB13 tristate14 select SND_TIMER15 select SND_HWDEP16 select SND_SEQ_DEVICE if SND_SEQUENCER != n17 18# select SEQ stuff to min(SND_SEQUENCER,SND_XXX)19config SND_OPL3_LIB_SEQ20 def_tristate SND_SEQUENCER && SND_OPL3_LIB21 select SND_SEQ_MIDI_EMUL22 select SND_SEQ_MIDI_EVENT23 24config SND_OPL4_LIB_SEQ25 def_tristate SND_SEQUENCER && SND_OPL4_LIB26 select SND_SEQ_MIDI_EMUL27 select SND_SEQ_MIDI_EVENT28 29config SND_VX_LIB30 tristate31 select FW_LOADER32 select SND_HWDEP33 select SND_PCM34 35config SND_AC97_CODEC36 tristate37 select SND_PCM38 select AC97_BUS39 select SND_VMASTER40 41menuconfig SND_DRIVERS42 bool "Generic sound devices"43 default y44 help45 Support for generic sound devices.46 47if SND_DRIVERS48 49config SND_PCSP50 tristate "PC-Speaker support (READ HELP!)"51 depends on PCSPKR_PLATFORM && X86 && HIGH_RES_TIMERS52 depends on INPUT53 select SND_PCM54 help55 If you don't have a sound card in your computer, you can include a56 driver for the PC speaker which allows it to act like a primitive57 sound card.58 This driver also replaces the pcspkr driver for beeps.59 60 You can compile this as a module which will be called snd-pcsp.61 62 WARNING: if you already have a soundcard, enabling this63 driver may lead to a problem. Namely, it may get loaded64 before the other sound driver of yours, making the65 pc-speaker a default sound device. Which is likely not66 what you want. To make this driver play nicely with other67 sound driver, you can add this in a configuration file under68 /etc/modprobe.d/ directory:69 options snd-pcsp index=270 71 You don't need this driver if you only want your pc-speaker to beep.72 You don't need this driver if you have a tablet piezo beeper73 in your PC instead of the real speaker.74 75 Say N if you have a sound card.76 Say M if you don't.77 Say Y only if you really know what you do.78 79config SND_DUMMY80 tristate "Dummy (/dev/null) soundcard"81 select SND_PCM82 help83 Say Y here to include the dummy driver. This driver does84 nothing, but emulates various mixer controls and PCM devices.85 86 You don't need this unless you're testing the hardware support87 of programs using the ALSA API.88 89 To compile this driver as a module, choose M here: the module90 will be called snd-dummy.91 92config SND_ALOOP93 tristate "Generic loopback driver (PCM)"94 select SND_PCM95 select SND_TIMER96 help97 Say 'Y' or 'M' to include support for the PCM loopback device.98 This module returns played samples back to the user space using99 the standard ALSA PCM device. The devices are routed 0->1 and100 1->0, where first number is the playback PCM device and second101 number is the capture device. Module creates two PCM devices and102 configured number of substreams (see the pcm_substreams module103 parameter).104 105 The loopback device allows time synchronization with an external106 timing source using the time shift universal control (+-20%107 of system time).108 109 To compile this driver as a module, choose M here: the module110 will be called snd-aloop.111 112config SND_PCMTEST113 tristate "Virtual PCM test driver"114 depends on DEBUG_FS115 select SND_PCM116 help117 Say 'Y' or 'M' to include support for the Virtual PCM test driver.118 This driver is aimed at extended testing of the userspace applications119 which use the ALSA API, as well as the PCM middle layer testing.120 121 It can generate random or pattern-based data into the capture stream,122 check the playback stream for containing the selected pattern, inject123 time delays during capture/playback, redefine the RESET ioctl operation124 to perform the PCM middle layer testing and inject errors during the125 PCM callbacks. It supports both interleaved and non-interleaved access126 modes. You can find the corresponding selftest in the 'alsa'127 selftests folder.128 129config SND_VIRMIDI130 tristate "Virtual MIDI soundcard"131 depends on SND_SEQUENCER132 select SND_TIMER133 select SND_RAWMIDI134 select SND_SEQ_VIRMIDI135 select SND_SEQ_MIDI_EVENT136 help137 Say Y here to include the virtual MIDI driver. This driver138 allows to connect applications using raw MIDI devices to139 sequencer clients.140 141 If you don't know what MIDI is, say N here.142 143 To compile this driver as a module, choose M here: the module144 will be called snd-virmidi.145 146config SND_MTPAV147 tristate "MOTU MidiTimePiece AV multiport MIDI"148 depends on HAS_IOPORT149 select SND_RAWMIDI150 help151 To use a MOTU MidiTimePiece AV multiport MIDI adapter152 connected to the parallel port, say Y here and make sure that153 the standard parallel port driver isn't used for the port.154 155 To compile this driver as a module, choose M here: the module156 will be called snd-mtpav.157 158config SND_MTS64159 tristate "ESI Miditerminal 4140 driver"160 depends on PARPORT161 select SND_RAWMIDI162 help163 The ESI Miditerminal 4140 is a 4 In 4 Out MIDI Interface with 164 additional SMPTE Timecode capabilities for the parallel port.165 166 Say 'Y' to include support for this device.167 168 To compile this driver as a module, chose 'M' here: the module 169 will be called snd-mts64.170 171config SND_SERIAL_U16550172 tristate "UART16550 serial MIDI driver"173 depends on HAS_IOPORT174 select SND_RAWMIDI175 help176 To include support for MIDI serial port interfaces, say Y here177 and read <file:Documentation/sound/cards/serial-u16550.rst>.178 This driver works with serial UARTs 16550 and better.179 180 This driver accesses the serial port hardware directly, so181 make sure that the standard serial driver isn't used or182 deactivated with setserial before loading this driver.183 184 To compile this driver as a module, choose M here: the module185 will be called snd-serial-u16550.186 187config SND_SERIAL_GENERIC188 tristate "Generic serial MIDI driver"189 depends on SERIAL_DEV_BUS190 depends on OF191 select SND_RAWMIDI192 help193 To include support for mapping generic serial devices as raw194 ALSA MIDI devices, say Y here. The driver only supports setting195 the serial port to standard baudrates. To attain the standard MIDI196 baudrate of 31.25 kBaud, configure the clock of the underlying serial197 device so that a requested 38.4 kBaud will result in the standard speed.198 199 Use this devicetree binding to configure serial port mapping200 <file:Documentation/devicetree/bindings/sound/serial-midi.yaml>201 202 To compile this driver as a module, choose M here: the module203 will be called snd-serial-generic.204 205config SND_MPU401206 tristate "Generic MPU-401 UART driver"207 depends on HAS_IOPORT208 select SND_MPU401_UART209 help210 Say Y here to include support for MIDI ports compatible with211 the Roland MPU-401 interface in UART mode.212 213 To compile this driver as a module, choose M here: the module214 will be called snd-mpu401.215 216config SND_PORTMAN2X4217 tristate "Portman 2x4 driver"218 depends on PARPORT219 select SND_RAWMIDI220 help221 Say Y here to include support for Midiman Portman 2x4 parallel222 port MIDI device.223 224 To compile this driver as a module, choose M here: the module225 will be called snd-portman2x4.226 227config SND_AC97_POWER_SAVE228 bool "AC97 Power-Saving Mode"229 depends on SND_AC97_CODEC230 default n231 help232 Say Y here to enable the aggressive power-saving support of233 AC97 codecs. In this mode, the power-mode is dynamically234 controlled at each open/close.235 236 The mode is activated by passing 'power_save=X' to the237 snd-ac97-codec driver module, where 'X' is the time-out238 value, a nonnegative integer that specifies how many239 seconds of idle time the driver must count before it may240 put the AC97 into power-save mode; a value of 0 (zero)241 disables the use of this power-save mode.242 243 After the snd-ac97-codec driver module has been loaded,244 the 'power_save' parameter can be set via sysfs as follows:245 246 echo 10 > /sys/module/snd_ac97_codec/parameters/power_save247 248 In this case, the time-out is set to 10 seconds; setting249 the time-out to 1 second (the minimum activation value)250 isn't recommended because many applications try to reopen251 the device frequently. A value of 10 seconds would be a252 good choice for normal operations.253 254 See Documentation/sound/designs/powersave.rst for more details.255 256config SND_AC97_POWER_SAVE_DEFAULT257 int "Default time-out for AC97 power-save mode"258 depends on SND_AC97_POWER_SAVE259 default 0260 help261 The default time-out value in seconds for AC97 automatic262 power-save mode. 0 means to disable the power-save mode.263 264 See SND_AC97_POWER_SAVE for more details.265 266endif # SND_DRIVERS267