forked from luck/tmp_suning_uos_patched
ALSA: hda - Make CONFIG_SND_HDA_CODEC_* tristate
So far, CONFIG_SND_HDA_CODEC_* kconfigs have been booleans due to historical reasons. The major reason was that the automatic codec driver probing wouldn't work if user sets a codec driver as a module while the controller driver as a built-in. And, another reason was to avoid exporting symbols of the helper codes when all drivers are built in. But, this sort of "kindness" rather confuses people in the end, especially makes the config refinement via localmodconfig unhappy. Also, a codec module would still work if you re-bind the controller driver via sysfs (although it's no automatic loading), so there might be a slight use case. That said, better to let people fallen into a pitfall than being too smart and restrict something. Let's make things straightforward: now all CONFIG_SND_HDA_CODEC_* become tristate, and all symbols exported unconditionally. Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai
parent
da4a7a3926
commit
595fe1b702
@ -87,126 +87,72 @@ config SND_HDA_PATCH_LOADER
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This option turns on hwdep and reconfig features automatically.
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config SND_HDA_CODEC_REALTEK
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bool "Build Realtek HD-audio codec support"
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default y
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tristate "Build Realtek HD-audio codec support"
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select SND_HDA_GENERIC
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help
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Say Y here to include Realtek HD-audio codec support in
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Say Y or M here to include Realtek HD-audio codec support in
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snd-hda-intel driver, such as ALC880.
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When the HD-audio driver is built as a module, the codec
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support code is also built as another module,
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snd-hda-codec-realtek.
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This module is automatically loaded at probing.
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config SND_HDA_CODEC_ANALOG
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bool "Build Analog Device HD-audio codec support"
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default y
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tristate "Build Analog Device HD-audio codec support"
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select SND_HDA_GENERIC
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help
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Say Y here to include Analog Device HD-audio codec support in
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Say Y or M here to include Analog Device HD-audio codec support in
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snd-hda-intel driver, such as AD1986A.
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When the HD-audio driver is built as a module, the codec
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support code is also built as another module,
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snd-hda-codec-analog.
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This module is automatically loaded at probing.
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config SND_HDA_CODEC_SIGMATEL
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bool "Build IDT/Sigmatel HD-audio codec support"
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default y
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tristate "Build IDT/Sigmatel HD-audio codec support"
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select SND_HDA_GENERIC
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help
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Say Y here to include IDT (Sigmatel) HD-audio codec support in
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Say Y or M here to include IDT (Sigmatel) HD-audio codec support in
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snd-hda-intel driver, such as STAC9200.
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When the HD-audio driver is built as a module, the codec
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support code is also built as another module,
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snd-hda-codec-idt.
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This module is automatically loaded at probing.
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config SND_HDA_CODEC_VIA
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bool "Build VIA HD-audio codec support"
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default y
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tristate "Build VIA HD-audio codec support"
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select SND_HDA_GENERIC
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help
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Say Y here to include VIA HD-audio codec support in
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Say Y or M here to include VIA HD-audio codec support in
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snd-hda-intel driver, such as VT1708.
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When the HD-audio driver is built as a module, the codec
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support code is also built as another module,
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snd-hda-codec-via.
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This module is automatically loaded at probing.
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config SND_HDA_CODEC_HDMI
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bool "Build HDMI/DisplayPort HD-audio codec support"
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default y
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tristate "Build HDMI/DisplayPort HD-audio codec support"
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help
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Say Y here to include HDMI and DisplayPort HD-audio codec
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Say Y or M here to include HDMI and DisplayPort HD-audio codec
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support in snd-hda-intel driver. This includes all AMD/ATI,
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Intel and Nvidia HDMI/DisplayPort codecs.
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When the HD-audio driver is built as a module, the codec
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support code is also built as another module,
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snd-hda-codec-hdmi.
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This module is automatically loaded at probing.
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config SND_HDA_I915
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bool
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default y
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depends on DRM_I915
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config SND_HDA_CODEC_CIRRUS
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bool "Build Cirrus Logic codec support"
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default y
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tristate "Build Cirrus Logic codec support"
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select SND_HDA_GENERIC
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help
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Say Y here to include Cirrus Logic codec support in
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Say Y or M here to include Cirrus Logic codec support in
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snd-hda-intel driver, such as CS4206.
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When the HD-audio driver is built as a module, the codec
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support code is also built as another module,
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snd-hda-codec-cirrus.
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This module is automatically loaded at probing.
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config SND_HDA_CODEC_CONEXANT
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bool "Build Conexant HD-audio codec support"
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default y
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tristate "Build Conexant HD-audio codec support"
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select SND_HDA_GENERIC
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help
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Say Y here to include Conexant HD-audio codec support in
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Say Y or M here to include Conexant HD-audio codec support in
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snd-hda-intel driver, such as CX20549.
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When the HD-audio driver is built as a module, the codec
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support code is also built as another module,
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snd-hda-codec-conexant.
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This module is automatically loaded at probing.
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config SND_HDA_CODEC_CA0110
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bool "Build Creative CA0110-IBG codec support"
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default y
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tristate "Build Creative CA0110-IBG codec support"
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select SND_HDA_GENERIC
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help
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Say Y here to include Creative CA0110-IBG codec support in
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Say Y or M here to include Creative CA0110-IBG codec support in
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snd-hda-intel driver, found on some Creative X-Fi cards.
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When the HD-audio driver is built as a module, the codec
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support code is also built as another module,
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snd-hda-codec-ca0110.
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This module is automatically loaded at probing.
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config SND_HDA_CODEC_CA0132
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bool "Build Creative CA0132 codec support"
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default y
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tristate "Build Creative CA0132 codec support"
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help
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Say Y here to include Creative CA0132 codec support in
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Say Y or M here to include Creative CA0132 codec support in
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snd-hda-intel driver.
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When the HD-audio driver is built as a module, the codec
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support code is also built as another module,
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snd-hda-codec-ca0132.
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This module is automatically loaded at probing.
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config SND_HDA_CODEC_CA0132_DSP
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bool "Support new DSP code for CA0132 codec"
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depends on SND_HDA_CODEC_CA0132
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@ -220,35 +166,22 @@ config SND_HDA_CODEC_CA0132_DSP
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(ctefx.bin).
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config SND_HDA_CODEC_CMEDIA
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bool "Build C-Media HD-audio codec support"
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default y
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tristate "Build C-Media HD-audio codec support"
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select SND_HDA_GENERIC
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help
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Say Y here to include C-Media HD-audio codec support in
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Say Y or M here to include C-Media HD-audio codec support in
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snd-hda-intel driver, such as CMI9880.
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When the HD-audio driver is built as a module, the codec
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support code is also built as another module,
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snd-hda-codec-cmedia.
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This module is automatically loaded at probing.
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config SND_HDA_CODEC_SI3054
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bool "Build Silicon Labs 3054 HD-modem codec support"
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default y
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tristate "Build Silicon Labs 3054 HD-modem codec support"
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help
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Say Y here to include Silicon Labs 3054 HD-modem codec
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Say Y or M here to include Silicon Labs 3054 HD-modem codec
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(and compatibles) support in snd-hda-intel driver.
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When the HD-audio driver is built as a module, the codec
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support code is also built as another module,
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snd-hda-codec-si3054.
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This module is automatically loaded at probing.
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config SND_HDA_GENERIC
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bool "Enable generic HD-audio codec parser"
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default y
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tristate "Enable generic HD-audio codec parser"
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help
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Say Y here to enable the generic HD-audio codec parser
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Say Y or M here to enable the generic HD-audio codec parser
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in snd-hda-intel driver.
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config SND_HDA_POWER_SAVE_DEFAULT
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@ -27,43 +27,19 @@ snd-hda-codec-hdmi-objs := patch_hdmi.o hda_eld.o
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# common driver
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obj-$(CONFIG_SND_HDA_INTEL) := snd-hda-codec.o
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# codec drivers (note: CONFIG_SND_HDA_CODEC_XXX are booleans)
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ifdef CONFIG_SND_HDA_GENERIC
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obj-$(CONFIG_SND_HDA_INTEL) += snd-hda-codec-generic.o
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endif
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ifdef CONFIG_SND_HDA_CODEC_REALTEK
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obj-$(CONFIG_SND_HDA_INTEL) += snd-hda-codec-realtek.o
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endif
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ifdef CONFIG_SND_HDA_CODEC_CMEDIA
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obj-$(CONFIG_SND_HDA_INTEL) += snd-hda-codec-cmedia.o
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endif
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ifdef CONFIG_SND_HDA_CODEC_ANALOG
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obj-$(CONFIG_SND_HDA_INTEL) += snd-hda-codec-analog.o
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endif
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ifdef CONFIG_SND_HDA_CODEC_SIGMATEL
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obj-$(CONFIG_SND_HDA_INTEL) += snd-hda-codec-idt.o
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endif
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ifdef CONFIG_SND_HDA_CODEC_SI3054
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obj-$(CONFIG_SND_HDA_INTEL) += snd-hda-codec-si3054.o
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endif
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ifdef CONFIG_SND_HDA_CODEC_CIRRUS
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obj-$(CONFIG_SND_HDA_INTEL) += snd-hda-codec-cirrus.o
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endif
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ifdef CONFIG_SND_HDA_CODEC_CA0110
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obj-$(CONFIG_SND_HDA_INTEL) += snd-hda-codec-ca0110.o
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endif
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ifdef CONFIG_SND_HDA_CODEC_CA0132
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obj-$(CONFIG_SND_HDA_INTEL) += snd-hda-codec-ca0132.o
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endif
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ifdef CONFIG_SND_HDA_CODEC_CONEXANT
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obj-$(CONFIG_SND_HDA_INTEL) += snd-hda-codec-conexant.o
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endif
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ifdef CONFIG_SND_HDA_CODEC_VIA
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obj-$(CONFIG_SND_HDA_INTEL) += snd-hda-codec-via.o
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endif
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ifdef CONFIG_SND_HDA_CODEC_HDMI
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obj-$(CONFIG_SND_HDA_INTEL) += snd-hda-codec-hdmi.o
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endif
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# codec drivers
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obj-$(CONFIG_SND_HDA_GENERIC) += snd-hda-codec-generic.o
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obj-$(CONFIG_SND_HDA_CODEC_REALTEK) += snd-hda-codec-realtek.o
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obj-$(CONFIG_SND_HDA_CODEC_CMEDIA) += snd-hda-codec-cmedia.o
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obj-$(CONFIG_SND_HDA_CODEC_ANALOG) += snd-hda-codec-analog.o
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obj-$(CONFIG_SND_HDA_CODEC_SIGMATEL) += snd-hda-codec-idt.o
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obj-$(CONFIG_SND_HDA_CODEC_SI3054) += snd-hda-codec-si3054.o
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obj-$(CONFIG_SND_HDA_CODEC_CIRRUS) += snd-hda-codec-cirrus.o
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obj-$(CONFIG_SND_HDA_CODEC_CA0110) += snd-hda-codec-ca0110.o
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obj-$(CONFIG_SND_HDA_CODEC_CA0132) += snd-hda-codec-ca0132.o
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obj-$(CONFIG_SND_HDA_CODEC_CONEXANT) += snd-hda-codec-conexant.o
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obj-$(CONFIG_SND_HDA_CODEC_VIA) += snd-hda-codec-via.o
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obj-$(CONFIG_SND_HDA_CODEC_HDMI) += snd-hda-codec-hdmi.o
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# this must be the last entry after codec drivers;
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# otherwise the codec patches won't be hooked before the PCI probe
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@ -681,19 +681,6 @@ snd_hda_codec_load_dsp_cleanup(struct hda_codec *codec,
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struct snd_dma_buffer *dmab) {}
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#endif
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/*
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* Codec modularization
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*/
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/* Export symbols only for communication with codec drivers;
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* When built in kernel, all HD-audio drivers are supposed to be statically
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* linked to the kernel. Thus, the symbols don't have to (or shouldn't) be
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* exported unless it's built as a module.
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*/
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#ifdef MODULE
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#define EXPORT_SYMBOL_HDA(sym) EXPORT_SYMBOL_GPL(sym)
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#else
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#define EXPORT_SYMBOL_HDA(sym)
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#endif
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#endif /* __SOUND_HDA_CODEC_H */
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