1menuconfig SND_HDA_INTEL 2 tristate "Intel HD Audio" 3 select SND_PCM 4 select SND_VMASTER 5 select SND_KCTL_JACK 6 help 7 Say Y here to include support for Intel "High Definition 8 Audio" (Azalia) and its compatible devices. 9 10 This option enables the HD-audio controller. Don't forget 11 to choose the appropriate codec options below. 12 13 To compile this driver as a module, choose M here: the module 14 will be called snd-hda-intel. 15 16if SND_HDA_INTEL 17 18config SND_HDA_PREALLOC_SIZE 19 int "Pre-allocated buffer size for HD-audio driver" 20 range 0 32768 21 default 64 22 help 23 Specifies the default pre-allocated buffer-size in kB for the 24 HD-audio driver. A larger buffer (e.g. 2048) is preferred 25 for systems using PulseAudio. The default 64 is chosen just 26 for compatibility reasons. 27 28 Note that the pre-allocation size can be changed dynamically 29 via a proc file (/proc/asound/card*/pcm*/sub*/prealloc), too. 30 31config SND_HDA_HWDEP 32 bool "Build hwdep interface for HD-audio driver" 33 select SND_HWDEP 34 help 35 Say Y here to build a hwdep interface for HD-audio driver. 36 This interface can be used for out-of-band communication 37 with codecs for debugging purposes. 38 39config SND_HDA_RECONFIG 40 bool "Allow dynamic codec reconfiguration (EXPERIMENTAL)" 41 depends on SND_HDA_HWDEP && EXPERIMENTAL 42 help 43 Say Y here to enable the HD-audio codec re-configuration feature. 44 This adds the sysfs interfaces to allow user to clear the whole 45 codec configuration, change the codec setup, add extra verbs, 46 and re-configure the codec dynamically. 47 48config SND_HDA_INPUT_BEEP 49 bool "Support digital beep via input layer" 50 depends on INPUT=y || INPUT=SND_HDA_INTEL 51 help 52 Say Y here to build a digital beep interface for HD-audio 53 driver. This interface is used to generate digital beeps. 54 55config SND_HDA_INPUT_BEEP_MODE 56 int "Digital beep registration mode (0=off, 1=on, 2=mute sw on/off)" 57 depends on SND_HDA_INPUT_BEEP=y 58 default "1" 59 range 0 2 60 help 61 Set 0 to disable the digital beep interface for HD-audio by default. 62 Set 1 to always enable the digital beep interface for HD-audio by 63 default. Set 2 to control the beep device registration to input 64 layer using a "Beep Switch" in mixer applications. 65 66config SND_HDA_INPUT_JACK 67 bool "Support jack plugging notification via input layer" 68 depends on INPUT=y || INPUT=SND 69 select SND_JACK 70 help 71 Say Y here to enable the jack plugging notification via 72 input layer. 73 74config SND_HDA_PATCH_LOADER 75 bool "Support initialization patch loading for HD-audio" 76 depends on EXPERIMENTAL 77 select FW_LOADER 78 select SND_HDA_HWDEP 79 select SND_HDA_RECONFIG 80 help 81 Say Y here to allow the HD-audio driver to load a pseudo 82 firmware file ("patch") for overriding the BIOS setup at 83 start up. The "patch" file can be specified via patch module 84 option, such as patch=hda-init. 85 86 This option turns on hwdep and reconfig features automatically. 87 88config SND_HDA_CODEC_REALTEK 89 bool "Build Realtek HD-audio codec support" 90 default y 91 help 92 Say Y here to include Realtek HD-audio codec support in 93 snd-hda-intel driver, such as ALC880. 94 95 When the HD-audio driver is built as a module, the codec 96 support code is also built as another module, 97 snd-hda-codec-realtek. 98 This module is automatically loaded at probing. 99 100config SND_HDA_CODEC_ANALOG 101 bool "Build Analog Device HD-audio codec support" 102 default y 103 help 104 Say Y here to include Analog Device HD-audio codec support in 105 snd-hda-intel driver, such as AD1986A. 106 107 When the HD-audio driver is built as a module, the codec 108 support code is also built as another module, 109 snd-hda-codec-analog. 110 This module is automatically loaded at probing. 111 112config SND_HDA_CODEC_SIGMATEL 113 bool "Build IDT/Sigmatel HD-audio codec support" 114 default y 115 help 116 Say Y here to include IDT (Sigmatel) HD-audio codec support in 117 snd-hda-intel driver, such as STAC9200. 118 119 When the HD-audio driver is built as a module, the codec 120 support code is also built as another module, 121 snd-hda-codec-idt. 122 This module is automatically loaded at probing. 123 124config SND_HDA_CODEC_VIA 125 bool "Build VIA HD-audio codec support" 126 default y 127 help 128 Say Y here to include VIA HD-audio codec support in 129 snd-hda-intel driver, such as VT1708. 130 131 When the HD-audio driver is built as a module, the codec 132 support code is also built as another module, 133 snd-hda-codec-via. 134 This module is automatically loaded at probing. 135 136config SND_HDA_CODEC_HDMI 137 bool "Build HDMI/DisplayPort HD-audio codec support" 138 select SND_DYNAMIC_MINORS 139 default y 140 help 141 Say Y here to include HDMI and DisplayPort HD-audio codec 142 support in snd-hda-intel driver. This includes all AMD/ATI, 143 Intel and Nvidia HDMI/DisplayPort codecs. 144 145 When the HD-audio driver is built as a module, the codec 146 support code is also built as another module, 147 snd-hda-codec-hdmi. 148 This module is automatically loaded at probing. 149 150config SND_HDA_CODEC_CIRRUS 151 bool "Build Cirrus Logic codec support" 152 depends on SND_HDA_INTEL 153 default y 154 help 155 Say Y here to include Cirrus Logic codec support in 156 snd-hda-intel driver, such as CS4206. 157 158 When the HD-audio driver is built as a module, the codec 159 support code is also built as another module, 160 snd-hda-codec-cirrus. 161 This module is automatically loaded at probing. 162 163config SND_HDA_CODEC_CONEXANT 164 bool "Build Conexant HD-audio codec support" 165 default y 166 help 167 Say Y here to include Conexant HD-audio codec support in 168 snd-hda-intel driver, such as CX20549. 169 170 When the HD-audio driver is built as a module, the codec 171 support code is also built as another module, 172 snd-hda-codec-conexant. 173 This module is automatically loaded at probing. 174 175config SND_HDA_CODEC_CA0110 176 bool "Build Creative CA0110-IBG codec support" 177 depends on SND_HDA_INTEL 178 default y 179 help 180 Say Y here to include Creative CA0110-IBG codec support in 181 snd-hda-intel driver, found on some Creative X-Fi cards. 182 183 When the HD-audio driver is built as a module, the codec 184 support code is also built as another module, 185 snd-hda-codec-ca0110. 186 This module is automatically loaded at probing. 187 188config SND_HDA_CODEC_CA0132 189 bool "Build Creative CA0132 codec support" 190 depends on SND_HDA_INTEL 191 default y 192 help 193 Say Y here to include Creative CA0132 codec support in 194 snd-hda-intel driver. 195 196 When the HD-audio driver is built as a module, the codec 197 support code is also built as another module, 198 snd-hda-codec-ca0132. 199 This module is automatically loaded at probing. 200 201config SND_HDA_CODEC_CMEDIA 202 bool "Build C-Media HD-audio codec support" 203 default y 204 help 205 Say Y here to include C-Media HD-audio codec support in 206 snd-hda-intel driver, such as CMI9880. 207 208 When the HD-audio driver is built as a module, the codec 209 support code is also built as another module, 210 snd-hda-codec-cmedia. 211 This module is automatically loaded at probing. 212 213config SND_HDA_CODEC_SI3054 214 bool "Build Silicon Labs 3054 HD-modem codec support" 215 default y 216 help 217 Say Y here to include Silicon Labs 3054 HD-modem codec 218 (and compatibles) support in snd-hda-intel driver. 219 220 When the HD-audio driver is built as a module, the codec 221 support code is also built as another module, 222 snd-hda-codec-si3054. 223 This module is automatically loaded at probing. 224 225config SND_HDA_GENERIC 226 bool "Enable generic HD-audio codec parser" 227 default y 228 help 229 Say Y here to enable the generic HD-audio codec parser 230 in snd-hda-intel driver. 231 232config SND_HDA_POWER_SAVE 233 bool "Aggressive power-saving on HD-audio" 234 depends on PM 235 help 236 Say Y here to enable more aggressive power-saving mode on 237 HD-audio driver. The power-saving timeout can be configured 238 via power_save option or over sysfs on-the-fly. 239 240config SND_HDA_POWER_SAVE_DEFAULT 241 int "Default time-out for HD-audio power-save mode" 242 depends on SND_HDA_POWER_SAVE 243 default 0 244 help 245 The default time-out value in seconds for HD-audio automatic 246 power-save mode. 0 means to disable the power-save mode. 247 248endif 249