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authorBen Williamson <ben.williamson@greyinnovation.com>2006-08-01 11:28:16 +1000
committerGreg Kroah-Hartman <gregkh@suse.de>2006-09-27 11:58:52 -0700
commitf2ebf92c9e1930a8f79b7eb49a32122931929014 (patch)
tree814cf172c1baa7e3d9990224b50148f50e537b33 /drivers/usb/gadget/Kconfig
parentba307f5828b1b4a1348d99c4f430a0cf3beeae2f (diff)
USB: gmidi: New USB MIDI Gadget class driver.
This driver is glue between the USB gadget interface and the ALSA MIDI interface. It allows us to appear as a MIDI Streaming device to a host system on the other end of a USB cable. This includes linux/usb/audio.h and linux/usb/midi.h containing definitions from the relevant USB specifications for USB audio and USB MIDI devices. The following changes have been made since the first RFC posting: * Bug fixes to endpoint handling. * Workaround for USB_REQ_SET_CONFIGURATION handling, not understood yet. * Added SND and SND_RAWMIDI dependencies in Kconfig. * Moved usb_audio.h and usb_midi.h to usb/*.h * Added module parameters for ALSA card index and id. * Added module parameters for USB descriptor IDs and strings. * Removed some unneeded stuff inherited from zero.c, more to go. * Provide DECLARE_* macros for the variable-length structs. * Use kmalloc instead of usb_ep_alloc_buffer. * Limit source to 80 columns. * Return actual error code instead of -ENOMEM in a few places. Signed-off-by: Ben Williamson <ben.williamson@greyinnovation.com> Cc: David Brownell <david-b@pacbell.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/gadget/Kconfig')
-rw-r--r--drivers/usb/gadget/Kconfig14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig
index 1a32d96774b..4301e96c417 100644
--- a/drivers/usb/gadget/Kconfig
+++ b/drivers/usb/gadget/Kconfig
@@ -404,6 +404,20 @@ config USB_G_SERIAL
which includes instructions and a "driver info file" needed to
make MS-Windows work with this driver.
+config USB_MIDI_GADGET
+ tristate "MIDI Gadget (EXPERIMENTAL)"
+ depends on SND && EXPERIMENTAL
+ select SND_RAWMIDI
+ help
+ The MIDI Gadget acts as a USB Audio device, with one MIDI
+ input and one MIDI output. These MIDI jacks appear as
+ a sound "card" in the ALSA sound system. Other MIDI
+ connections can then be made on the gadget system, using
+ ALSA's aconnect utility etc.
+
+ Say "y" to link the driver statically, or "m" to build a
+ dynamically linked module called "g_midi".
+
# put drivers that need isochronous transfer support (for audio
# or video class gadget drivers), or specific hardware, here.