diff options
Diffstat (limited to 'drivers/usb/gadget/Kconfig')
| -rw-r--r-- | drivers/usb/gadget/Kconfig | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig index 516cb3035416..8f2323327f55 100644 --- a/drivers/usb/gadget/Kconfig +++ b/drivers/usb/gadget/Kconfig @@ -184,6 +184,9 @@ config USB_F_MASS_STORAGE config USB_F_FS tristate +config USB_F_UAC1 + tristate + config USB_F_UAC1_LEGACY tristate @@ -424,6 +427,24 @@ config USB_CONFIGFS_UEVENT state changes. The gadget can be in any of the following three states: "CONNECTED/DISCONNECTED/CONFIGURED" +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 @@ -434,8 +455,8 @@ 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" |