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_DSP_LOADER
21 config SND_HDA_PREALLOC_SIZE
22 int "Pre-allocated buffer size for HD-audio driver"
26 Specifies the default pre-allocated buffer-size in kB for the
27 HD-audio driver. A larger buffer (e.g. 2048) is preferred
28 for systems using PulseAudio. The default 64 is chosen just
29 for compatibility reasons.
31 Note that the pre-allocation size can be changed dynamically
32 via a proc file (/proc/asound/card*/pcm*/sub*/prealloc), too.
35 bool "Build hwdep interface for HD-audio driver"
38 Say Y here to build a hwdep interface for HD-audio driver.
39 This interface can be used for out-of-band communication
40 with codecs for debugging purposes.
42 config SND_HDA_RECONFIG
43 bool "Allow dynamic codec reconfiguration"
44 depends on SND_HDA_HWDEP
46 Say Y here to enable the HD-audio codec re-configuration feature.
47 This adds the sysfs interfaces to allow user to clear the whole
48 codec configuration, change the codec setup, add extra verbs,
49 and re-configure the codec dynamically.
51 config SND_HDA_INPUT_BEEP
52 bool "Support digital beep via input layer"
53 depends on INPUT=y || INPUT=SND_HDA_INTEL
55 Say Y here to build a digital beep interface for HD-audio
56 driver. This interface is used to generate digital beeps.
58 config SND_HDA_INPUT_BEEP_MODE
59 int "Digital beep registration mode (0=off, 1=on)"
60 depends on SND_HDA_INPUT_BEEP=y
64 Set 0 to disable the digital beep interface for HD-audio by default.
65 Set 1 to always enable the digital beep interface for HD-audio by
68 config SND_HDA_INPUT_JACK
69 bool "Support jack plugging notification via input layer"
70 depends on INPUT=y || INPUT=SND
73 Say Y here to enable the jack plugging notification via
76 config SND_HDA_PATCH_LOADER
77 bool "Support initialization patch loading for HD-audio"
80 select SND_HDA_RECONFIG
82 Say Y here to allow the HD-audio driver to load a pseudo
83 firmware file ("patch") for overriding the BIOS setup at
84 start up. The "patch" file can be specified via patch module
85 option, such as patch=hda-init.
87 This option turns on hwdep and reconfig features automatically.
89 config SND_HDA_CODEC_REALTEK
90 bool "Build Realtek HD-audio codec support"
92 select SND_HDA_GENERIC
94 Say Y here to include Realtek HD-audio codec support in
95 snd-hda-intel driver, such as ALC880.
97 When the HD-audio driver is built as a module, the codec
98 support code is also built as another module,
99 snd-hda-codec-realtek.
100 This module is automatically loaded at probing.
102 config SND_HDA_CODEC_ANALOG
103 bool "Build Analog Device HD-audio codec support"
105 select SND_HDA_GENERIC
107 Say Y here to include Analog Device HD-audio codec support in
108 snd-hda-intel driver, such as AD1986A.
110 When the HD-audio driver is built as a module, the codec
111 support code is also built as another module,
112 snd-hda-codec-analog.
113 This module is automatically loaded at probing.
115 config SND_HDA_CODEC_SIGMATEL
116 bool "Build IDT/Sigmatel HD-audio codec support"
118 select SND_HDA_GENERIC
120 Say Y here to include IDT (Sigmatel) HD-audio codec support in
121 snd-hda-intel driver, such as STAC9200.
123 When the HD-audio driver is built as a module, the codec
124 support code is also built as another module,
126 This module is automatically loaded at probing.
128 config SND_HDA_CODEC_VIA
129 bool "Build VIA HD-audio codec support"
131 select SND_HDA_GENERIC
133 Say Y here to include VIA HD-audio codec support in
134 snd-hda-intel driver, such as VT1708.
136 When the HD-audio driver is built as a module, the codec
137 support code is also built as another module,
139 This module is automatically loaded at probing.
141 config SND_HDA_CODEC_HDMI
142 bool "Build HDMI/DisplayPort HD-audio codec support"
145 Say Y here to include HDMI and DisplayPort HD-audio codec
146 support in snd-hda-intel driver. This includes all AMD/ATI,
147 Intel and Nvidia HDMI/DisplayPort codecs.
149 When the HD-audio driver is built as a module, the codec
150 support code is also built as another module,
152 This module is automatically loaded at probing.
159 config SND_HDA_CODEC_CIRRUS
160 bool "Build Cirrus Logic codec support"
162 select SND_HDA_GENERIC
164 Say Y here to include Cirrus Logic codec support in
165 snd-hda-intel driver, such as CS4206.
167 When the HD-audio driver is built as a module, the codec
168 support code is also built as another module,
169 snd-hda-codec-cirrus.
170 This module is automatically loaded at probing.
172 config SND_HDA_CODEC_CONEXANT
173 bool "Build Conexant HD-audio codec support"
175 select SND_HDA_GENERIC
177 Say Y here to include Conexant HD-audio codec support in
178 snd-hda-intel driver, such as CX20549.
180 When the HD-audio driver is built as a module, the codec
181 support code is also built as another module,
182 snd-hda-codec-conexant.
183 This module is automatically loaded at probing.
185 config SND_HDA_CODEC_CA0110
186 bool "Build Creative CA0110-IBG codec support"
188 select SND_HDA_GENERIC
190 Say Y here to include Creative CA0110-IBG codec support in
191 snd-hda-intel driver, found on some Creative X-Fi cards.
193 When the HD-audio driver is built as a module, the codec
194 support code is also built as another module,
195 snd-hda-codec-ca0110.
196 This module is automatically loaded at probing.
198 config SND_HDA_CODEC_CA0132
199 bool "Build Creative CA0132 codec support"
202 Say Y here to include Creative CA0132 codec support in
203 snd-hda-intel driver.
205 When the HD-audio driver is built as a module, the codec
206 support code is also built as another module,
207 snd-hda-codec-ca0132.
208 This module is automatically loaded at probing.
210 config SND_HDA_CODEC_CA0132_DSP
211 bool "Support new DSP code for CA0132 codec"
212 depends on SND_HDA_CODEC_CA0132 && FW_LOADER
213 select SND_HDA_DSP_LOADER
215 Say Y here to enable the DSP for Creative CA0132 for extended
216 features like equalizer or echo cancellation.
218 Note that this option requires the external firmware file
221 config SND_HDA_CODEC_CMEDIA
222 bool "Build C-Media HD-audio codec support"
224 select SND_HDA_GENERIC
226 Say Y here to include C-Media HD-audio codec support in
227 snd-hda-intel driver, such as CMI9880.
229 When the HD-audio driver is built as a module, the codec
230 support code is also built as another module,
231 snd-hda-codec-cmedia.
232 This module is automatically loaded at probing.
234 config SND_HDA_CODEC_SI3054
235 bool "Build Silicon Labs 3054 HD-modem codec support"
238 Say Y here to include Silicon Labs 3054 HD-modem codec
239 (and compatibles) support in snd-hda-intel driver.
241 When the HD-audio driver is built as a module, the codec
242 support code is also built as another module,
243 snd-hda-codec-si3054.
244 This module is automatically loaded at probing.
246 config SND_HDA_GENERIC
247 bool "Enable generic HD-audio codec parser"
250 Say Y here to enable the generic HD-audio codec parser
251 in snd-hda-intel driver.
253 config SND_HDA_POWER_SAVE_DEFAULT
254 int "Default time-out for HD-audio power-save mode"
258 The default time-out value in seconds for HD-audio automatic
259 power-save mode. 0 means to disable the power-save mode.