1 menuconfig SND_HDA_INTEL
2 tristate "Intel HD Audio"
7 Say Y here to include support for Intel "High Definition
8 Audio" (Azalia) and its compatible devices.
10 This option enables the HD-audio controller. Don't forget
11 to choose the appropriate codec options below.
13 To compile this driver as a module, choose M here: the module
14 will be called snd-hda-intel.
18 config SND_HDA_PREALLOC_SIZE
19 int "Pre-allocated buffer size for HD-audio driver"
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.
28 Note that the pre-allocation size can be changed dynamically
29 via a proc file (/proc/asound/card*/pcm*/sub*/prealloc), too.
32 bool "Build hwdep interface for HD-audio driver"
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.
39 config SND_HDA_RECONFIG
40 bool "Allow dynamic codec reconfiguration (EXPERIMENTAL)"
41 depends on SND_HDA_HWDEP && EXPERIMENTAL
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.
48 config SND_HDA_INPUT_BEEP
49 bool "Support digital beep via input layer"
50 depends on INPUT=y || INPUT=SND_HDA_INTEL
52 Say Y here to build a digital beep interface for HD-audio
53 driver. This interface is used to generate digital beeps.
55 config 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
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.
66 config SND_HDA_INPUT_JACK
67 bool "Support jack plugging notification via input layer"
68 depends on INPUT=y || INPUT=SND
71 Say Y here to enable the jack plugging notification via
74 config SND_HDA_PATCH_LOADER
75 bool "Support initialization patch loading for HD-audio"
76 depends on EXPERIMENTAL
79 select SND_HDA_RECONFIG
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.
86 This option turns on hwdep and reconfig features automatically.
88 config SND_HDA_CODEC_REALTEK
89 bool "Build Realtek HD-audio codec support"
92 Say Y here to include Realtek HD-audio codec support in
93 snd-hda-intel driver, such as ALC880.
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.
100 config SND_HDA_CODEC_ANALOG
101 bool "Build Analog Device HD-audio codec support"
104 Say Y here to include Analog Device HD-audio codec support in
105 snd-hda-intel driver, such as AD1986A.
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.
112 config SND_HDA_CODEC_SIGMATEL
113 bool "Build IDT/Sigmatel HD-audio codec support"
116 Say Y here to include IDT (Sigmatel) HD-audio codec support in
117 snd-hda-intel driver, such as STAC9200.
119 When the HD-audio driver is built as a module, the codec
120 support code is also built as another module,
122 This module is automatically loaded at probing.
124 config SND_HDA_CODEC_VIA
125 bool "Build VIA HD-audio codec support"
128 Say Y here to include VIA HD-audio codec support in
129 snd-hda-intel driver, such as VT1708.
131 When the HD-audio driver is built as a module, the codec
132 support code is also built as another module,
134 This module is automatically loaded at probing.
136 config SND_HDA_CODEC_HDMI
137 bool "Build HDMI/DisplayPort HD-audio codec support"
138 select SND_DYNAMIC_MINORS
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.
145 When the HD-audio driver is built as a module, the codec
146 support code is also built as another module,
148 This module is automatically loaded at probing.
150 config SND_HDA_CODEC_CIRRUS
151 bool "Build Cirrus Logic codec support"
152 depends on SND_HDA_INTEL
155 Say Y here to include Cirrus Logic codec support in
156 snd-hda-intel driver, such as CS4206.
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.
163 config SND_HDA_CODEC_CONEXANT
164 bool "Build Conexant HD-audio codec support"
167 Say Y here to include Conexant HD-audio codec support in
168 snd-hda-intel driver, such as CX20549.
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.
175 config SND_HDA_CODEC_CA0110
176 bool "Build Creative CA0110-IBG codec support"
177 depends on SND_HDA_INTEL
180 Say Y here to include Creative CA0110-IBG codec support in
181 snd-hda-intel driver, found on some Creative X-Fi cards.
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.
188 config SND_HDA_CODEC_CA0132
189 bool "Build Creative CA0132 codec support"
190 depends on SND_HDA_INTEL
193 Say Y here to include Creative CA0132 codec support in
194 snd-hda-intel driver.
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.
201 config SND_HDA_CODEC_CMEDIA
202 bool "Build C-Media HD-audio codec support"
205 Say Y here to include C-Media HD-audio codec support in
206 snd-hda-intel driver, such as CMI9880.
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.
213 config SND_HDA_CODEC_SI3054
214 bool "Build Silicon Labs 3054 HD-modem codec support"
217 Say Y here to include Silicon Labs 3054 HD-modem codec
218 (and compatibles) support in snd-hda-intel driver.
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.
225 config SND_HDA_GENERIC
226 bool "Enable generic HD-audio codec parser"
229 Say Y here to enable the generic HD-audio codec parser
230 in snd-hda-intel driver.
232 config SND_HDA_POWER_SAVE
233 bool "Aggressive power-saving on HD-audio"
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.
240 config SND_HDA_POWER_SAVE_DEFAULT
241 int "Default time-out for HD-audio power-save mode"
242 depends on SND_HDA_POWER_SAVE
245 The default time-out value in seconds for HD-audio automatic
246 power-save mode. 0 means to disable the power-save mode.