ALSA: hda - Add Kconfig for the default buffer size
[deliverable/linux.git] / sound / pci / hda / Kconfig
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1menuconfig SND_HDA_INTEL
2 tristate "Intel HD Audio"
3 select SND_PCM
4 select SND_VMASTER
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5 help
6 Say Y here to include support for Intel "High Definition
7 Audio" (Azalia) and its compatible devices.
8
9 This option enables the HD-audio controller. Don't forget
10 to choose the appropriate codec options below.
11
12 To compile this driver as a module, choose M here: the module
13 will be called snd-hda-intel.
14
15if SND_HDA_INTEL
16
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17config SND_HDA_PREALLOC_SIZE
18 int "Pre-allocated buffer size for HD-audio driver"
19 range 0 32768
20 default 64
21 help
22 Speficies the default pre-allocated buffer-size in kB for
23 HD-audio driver. A larger buffer (e.g. 2048) is preferred
24 for systems with PulseAudio. The default 64 is chosen just
25 from the compatibility reason.
26
27 Note that the pre-allocation size can be changed dynamically
28 via a proc file (/proc/asound/card*/pcm*/sub*/prealloc), too.
29
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30config SND_HDA_HWDEP
31 bool "Build hwdep interface for HD-audio driver"
32 select SND_HWDEP
33 help
34 Say Y here to build a hwdep interface for HD-audio driver.
35 This interface can be used for out-of-band communication
36 with codecs for debugging purposes.
37
38config SND_HDA_RECONFIG
39 bool "Allow dynamic codec reconfiguration (EXPERIMENTAL)"
40 depends on SND_HDA_HWDEP && EXPERIMENTAL
41 help
42 Say Y here to enable the HD-audio codec re-configuration feature.
43 This adds the sysfs interfaces to allow user to clear the whole
44 codec configuration, change the codec setup, add extra verbs,
45 and re-configure the codec dynamically.
46
47config SND_HDA_INPUT_BEEP
48 bool "Support digital beep via input layer"
49 depends on INPUT=y || INPUT=SND_HDA_INTEL
50 help
51 Say Y here to build a digital beep interface for HD-audio
52 driver. This interface is used to generate digital beeps.
53
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54config SND_HDA_INPUT_BEEP_MODE
55 int "Digital beep registration mode (0=off, 1=on, 2=mute sw on/off)"
56 depends on SND_HDA_INPUT_BEEP=y
57 default "1"
58 range 0 2
59 help
60 Set 0 to disable the digital beep interface for HD-audio by default.
61 Set 1 to always enable the digital beep interface for HD-audio by
62 default. Set 2 to control the beep device registration to input
63 layer using a "Beep Switch" in mixer applications.
64
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65config SND_HDA_INPUT_JACK
66 bool "Support jack plugging notification via input layer"
fc087225 67 depends on INPUT=y || INPUT=SND
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68 select SND_JACK
69 help
70 Say Y here to enable the jack plugging notification via
71 input layer.
72
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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
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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
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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
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99config SND_HDA_ENABLE_REALTEK_QUIRKS
100 bool "Build static quirks for Realtek codecs"
101 depends on SND_HDA_CODEC_REALTEK
102 default y
103 help
104 Say Y here to build the static quirks codes for Realtek codecs.
105 If you need the "model" preset that the default BIOS auto-parser
106 can't handle, turn this option on.
107
108 If your device works with model=auto option, basically you don't
109 need the quirk code. By turning this off, you can reduce the
110 module size quite a lot.
111
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112config SND_HDA_CODEC_ANALOG
113 bool "Build Analog Device HD-audio codec support"
114 default y
115 help
116 Say Y here to include Analog Device HD-audio codec support in
117 snd-hda-intel driver, such as AD1986A.
118
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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-analog.
122 This module is automatically loaded at probing.
123
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124config SND_HDA_CODEC_SIGMATEL
125 bool "Build IDT/Sigmatel HD-audio codec support"
126 default y
127 help
128 Say Y here to include IDT (Sigmatel) HD-audio codec support in
129 snd-hda-intel driver, such as STAC9200.
130
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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-idt.
134 This module is automatically loaded at probing.
135
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136config SND_HDA_CODEC_VIA
137 bool "Build VIA HD-audio codec support"
138 default y
139 help
140 Say Y here to include VIA HD-audio codec support in
141 snd-hda-intel driver, such as VT1708.
142
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143 When the HD-audio driver is built as a module, the codec
144 support code is also built as another module,
145 snd-hda-codec-via.
146 This module is automatically loaded at probing.
147
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148config SND_HDA_CODEC_HDMI
149 bool "Build HDMI/DisplayPort HD-audio codec support"
e9abf85f 150 select SND_DYNAMIC_MINORS
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151 default y
152 help
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153 Say Y here to include HDMI and DisplayPort HD-audio codec
154 support in snd-hda-intel driver. This includes all AMD/ATI,
155 Intel and Nvidia HDMI/DisplayPort codecs.
11b444d5 156
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157 When the HD-audio driver is built as a module, the codec
158 support code is also built as another module,
84eb01be 159 snd-hda-codec-hdmi.
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160 This module is automatically loaded at probing.
161
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162config SND_HDA_CODEC_CIRRUS
163 bool "Build Cirrus Logic codec support"
164 depends on SND_HDA_INTEL
165 default y
166 help
167 Say Y here to include Cirrus Logic codec support in
168 snd-hda-intel driver, such as CS4206.
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-cirrus.
173 This module is automatically loaded at probing.
174
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175config SND_HDA_CODEC_CONEXANT
176 bool "Build Conexant HD-audio codec support"
177 default y
178 help
179 Say Y here to include Conexant HD-audio codec support in
180 snd-hda-intel driver, such as CX20549.
181
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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-conexant.
185 This module is automatically loaded at probing.
186
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187config SND_HDA_CODEC_CA0110
188 bool "Build Creative CA0110-IBG codec support"
189 depends on SND_HDA_INTEL
190 default y
191 help
192 Say Y here to include Creative CA0110-IBG codec support in
193 snd-hda-intel driver, found on some Creative X-Fi cards.
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-ca0110.
198 This module is automatically loaded at probing.
199
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200config SND_HDA_CODEC_CA0132
201 bool "Build Creative CA0132 codec support"
202 depends on SND_HDA_INTEL
203 default y
204 help
205 Say Y here to include Creative CA0132 codec support in
206 snd-hda-intel driver.
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-ca0132.
211 This module is automatically loaded at probing.
212
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213config SND_HDA_CODEC_CMEDIA
214 bool "Build C-Media HD-audio codec support"
215 default y
216 help
217 Say Y here to include C-Media HD-audio codec support in
218 snd-hda-intel driver, such as CMI9880.
219
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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-cmedia.
223 This module is automatically loaded at probing.
224
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225config SND_HDA_CODEC_SI3054
226 bool "Build Silicon Labs 3054 HD-modem codec support"
227 default y
228 help
229 Say Y here to include Silicon Labs 3054 HD-modem codec
230 (and compatibles) support in snd-hda-intel driver.
231
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232 When the HD-audio driver is built as a module, the codec
233 support code is also built as another module,
234 snd-hda-codec-si3054.
235 This module is automatically loaded at probing.
236
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237config SND_HDA_GENERIC
238 bool "Enable generic HD-audio codec parser"
239 default y
240 help
241 Say Y here to enable the generic HD-audio codec parser
242 in snd-hda-intel driver.
243
244config SND_HDA_POWER_SAVE
245 bool "Aggressive power-saving on HD-audio"
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246 help
247 Say Y here to enable more aggressive power-saving mode on
248 HD-audio driver. The power-saving timeout can be configured
249 via power_save option or over sysfs on-the-fly.
250
251config SND_HDA_POWER_SAVE_DEFAULT
252 int "Default time-out for HD-audio power-save mode"
253 depends on SND_HDA_POWER_SAVE
254 default 0
255 help
256 The default time-out value in seconds for HD-audio automatic
257 power-save mode. 0 means to disable the power-save mode.
258
259endif
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