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path: root/drivers/usb/gadget/Kconfig
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Diffstat (limited to 'drivers/usb/gadget/Kconfig')
-rw-r--r--drivers/usb/gadget/Kconfig25
1 files changed, 23 insertions, 2 deletions
diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig
index 01c2e2b9ab1d..35cc641d9f31 100644
--- a/drivers/usb/gadget/Kconfig
+++ b/drivers/usb/gadget/Kconfig
@@ -191,6 +191,9 @@ config USB_F_MASS_STORAGE
config USB_F_FS
tristate
+config USB_F_UAC1
+ tristate
+
config USB_F_UAC1_LEGACY
tristate
@@ -365,6 +368,24 @@ config USB_CONFIGFS_F_FS
implemented in kernel space (for instance Ethernet, serial or
mass storage) and other are implemented in user space.
+config USB_CONFIGFS_F_UAC1
+ bool "Audio Class 1.0"
+ depends on USB_CONFIGFS
+ depends on SND
+ select USB_LIBCOMPOSITE
+ select SND_PCM
+ select USB_U_AUDIO
+ select USB_F_UAC1
+ help
+ This Audio function implements 1 AudioControl interface,
+ 1 AudioStreaming Interface each for USB-OUT and USB-IN.
+ This driver doesn't expect any real Audio codec to be present
+ on the device - the audio streams are simply sinked to and
+ sourced from a virtual ALSA sound card created. The user-space
+ application may choose to do whatever it wants with the data
+ received from the USB Host and choose to provide whatever it
+ wants as audio data to the USB Host.
+
config USB_CONFIGFS_F_UAC1_LEGACY
bool "Audio Class 1.0 (legacy implementation)"
depends on USB_CONFIGFS
@@ -375,8 +396,8 @@ config USB_CONFIGFS_F_UAC1_LEGACY
help
This Audio function implements 1 AudioControl interface,
1 AudioStreaming Interface each for USB-OUT and USB-IN.
- This driver requires a real Audio codec to be present
- on the device.
+ This is a legacy driver and requires a real Audio codec
+ to be present on the device.
config USB_CONFIGFS_F_UAC2
bool "Audio Class 2.0"