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)" 57 depends on SND_HDA_INPUT_BEEP=y 58 default "1" 59 range 0 1 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. 64 65config SND_HDA_INPUT_JACK 66 bool "Support jack plugging notification via input layer" 67 depends on INPUT=y || INPUT=SND 68 select SND_JACK 69 help 70 Say Y here to enable the jack plugging notification via 71 input layer. 72 73config SND_HDA_PATCH_LOADER 74 bool "Support initialization patch loading for HD-audio" 75 depends on EXPERIMENTAL 76 select FW_LOADER 77 select SND_HDA_HWDEP 78 select SND_HDA_RECONFIG 79 help 80 Say Y here to allow the HD-audio driver to load a pseudo 81 firmware file ("patch") for overriding the BIOS setup at 82 start up. The "patch" file can be specified via patch module 83 option, such as patch=hda-init. 84 85 This option turns on hwdep and reconfig features automatically. 86 87config SND_HDA_CODEC_REALTEK 88 bool "Build Realtek HD-audio codec support" 89 default y 90 help 91 Say Y here to include Realtek HD-audio codec support in 92 snd-hda-intel driver, such as ALC880. 93 94 When the HD-audio driver is built as a module, the codec 95 support code is also built as another module, 96 snd-hda-codec-realtek. 97 This module is automatically loaded at probing. 98 99config SND_HDA_CODEC_ANALOG 100 bool "Build Analog Device HD-audio codec support" 101 default y 102 help 103 Say Y here to include Analog Device HD-audio codec support in 104 snd-hda-intel driver, such as AD1986A. 105 106 When the HD-audio driver is built as a module, the codec 107 support code is also built as another module, 108 snd-hda-codec-analog. 109 This module is automatically loaded at probing. 110 111config SND_HDA_CODEC_SIGMATEL 112 bool "Build IDT/Sigmatel HD-audio codec support" 113 default y 114 help 115 Say Y here to include IDT (Sigmatel) HD-audio codec support in 116 snd-hda-intel driver, such as STAC9200. 117 118 When the HD-audio driver is built as a module, the codec 119 support code is also built as another module, 120 snd-hda-codec-idt. 121 This module is automatically loaded at probing. 122 123config SND_HDA_CODEC_VIA 124 bool "Build VIA HD-audio codec support" 125 default y 126 help 127 Say Y here to include VIA HD-audio codec support in 128 snd-hda-intel driver, such as VT1708. 129 130 When the HD-audio driver is built as a module, the codec 131 support code is also built as another module, 132 snd-hda-codec-via. 133 This module is automatically loaded at probing. 134 135config SND_HDA_CODEC_HDMI 136 bool "Build HDMI/DisplayPort HD-audio codec support" 137 select SND_DYNAMIC_MINORS 138 default y 139 help 140 Say Y here to include HDMI and DisplayPort HD-audio codec 141 support in snd-hda-intel driver. This includes all AMD/ATI, 142 Intel and Nvidia HDMI/DisplayPort codecs. 143 144 When the HD-audio driver is built as a module, the codec 145 support code is also built as another module, 146 snd-hda-codec-hdmi. 147 This module is automatically loaded at probing. 148 149config SND_HDA_CODEC_CIRRUS 150 bool "Build Cirrus Logic codec support" 151 depends on SND_HDA_INTEL 152 default y 153 help 154 Say Y here to include Cirrus Logic codec support in 155 snd-hda-intel driver, such as CS4206. 156 157 When the HD-audio driver is built as a module, the codec 158 support code is also built as another module, 159 snd-hda-codec-cirrus. 160 This module is automatically loaded at probing. 161 162config SND_HDA_CODEC_CONEXANT 163 bool "Build Conexant HD-audio codec support" 164 default y 165 help 166 Say Y here to include Conexant HD-audio codec support in 167 snd-hda-intel driver, such as CX20549. 168 169 When the HD-audio driver is built as a module, the codec 170 support code is also built as another module, 171 snd-hda-codec-conexant. 172 This module is automatically loaded at probing. 173 174config SND_HDA_CODEC_CA0110 175 bool "Build Creative CA0110-IBG codec support" 176 depends on SND_HDA_INTEL 177 default y 178 help 179 Say Y here to include Creative CA0110-IBG codec support in 180 snd-hda-intel driver, found on some Creative X-Fi cards. 181 182 When the HD-audio driver is built as a module, the codec 183 support code is also built as another module, 184 snd-hda-codec-ca0110. 185 This module is automatically loaded at probing. 186 187config SND_HDA_CODEC_CA0132 188 bool "Build Creative CA0132 codec support" 189 depends on SND_HDA_INTEL 190 default y 191 help 192 Say Y here to include Creative CA0132 codec support in 193 snd-hda-intel driver. 194 195 When the HD-audio driver is built as a module, the codec 196 support code is also built as another module, 197 snd-hda-codec-ca0132. 198 This module is automatically loaded at probing. 199 200config SND_HDA_CODEC_CMEDIA 201 bool "Build C-Media HD-audio codec support" 202 default y 203 help 204 Say Y here to include C-Media HD-audio codec support in 205 snd-hda-intel driver, such as CMI9880. 206 207 When the HD-audio driver is built as a module, the codec 208 support code is also built as another module, 209 snd-hda-codec-cmedia. 210 This module is automatically loaded at probing. 211 212config SND_HDA_CODEC_SI3054 213 bool "Build Silicon Labs 3054 HD-modem codec support" 214 default y 215 help 216 Say Y here to include Silicon Labs 3054 HD-modem codec 217 (and compatibles) support in snd-hda-intel driver. 218 219 When the HD-audio driver is built as a module, the codec 220 support code is also built as another module, 221 snd-hda-codec-si3054. 222 This module is automatically loaded at probing. 223 224config SND_HDA_GENERIC 225 bool "Enable generic HD-audio codec parser" 226 default y 227 help 228 Say Y here to enable the generic HD-audio codec parser 229 in snd-hda-intel driver. 230 231config SND_HDA_POWER_SAVE 232 bool "Aggressive power-saving on HD-audio" 233 depends on PM 234 help 235 Say Y here to enable more aggressive power-saving mode on 236 HD-audio driver. The power-saving timeout can be configured 237 via power_save option or over sysfs on-the-fly. 238 239config SND_HDA_POWER_SAVE_DEFAULT 240 int "Default time-out for HD-audio power-save mode" 241 depends on SND_HDA_POWER_SAVE 242 default 0 243 help 244 The default time-out value in seconds for HD-audio automatic 245 power-save mode. 0 means to disable the power-save mode. 246 247endif 248