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Modules: USB generic driver
Reduce the code size of the snd_usbmidi_count_bits() function by using
simpler operations.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Modules: USB generic driver
Rename QUIRK_MIDI_MIDITECH to QUIRK_MIDI_CME because Miditech keyboards
are built by CME and use the same protocol, and don't force a Miditech
product name for the USB ID used by both Miditech and CME UF-x
keyboards.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Modules: USB generic driver
This is my naive attempt at adding ALSA device support. The attached
patch provides support for the EDIROL UM-3ex. This is a 3-port USB midi
interface with a built-in USB hub and the ability to chain 2 other
UM-3x's in a master-slave configuration. I only have one, so I do not
know how this works in practice.
Though this is a 3-port device, I had to throw in that 4th 'Control' interface
to the definition in order to make the 3rd port work. If I set in/out_cables
to 0x000b, a 3rd interface appears on the driver, but it does nothing.
Changing it to 0x000f allows the 3rd interface to work, but of course
interface 4 does not work because it does not exist.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Modules: USB generic driver
Move the usb_complete_callback() compatibility wrapper out of the
kernel tree.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Modules: USB generic driver
Move the usb_pipe_needs_resubmit() compatibility wrapper out of the
kernel tree.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Modules: USB generic driver
Simplify the handling of MIDI quirks by treating an interface without
quirks as a QUIRK_MIDI_STANDARD_INTERFACE.
This also fixes the bug where a MIDI_STANDARD quirk would not be
recognized.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
USB generic driver
When a USB error occurs that might indicate that the device has been
unplugged, don't resubmit the URB immediately to prevent flooding the
log with error messages before khubd has us disconnect()ed.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
USB generic driver
Emagic devices pad their packets not with 0xff bytes but with a 0xff
byte followed by garbage, so we have to stop at the first such byte.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
USB generic driver
Use the USB buffer allocation functions to avoid repeated DMA mappings
of our buffers, which are re-used quite a lot.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
USB generic driver
Add support for Miditech Midistart and MidiStudio keyboards (another
case of devices using the standard protocol but having no descriptors).
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
USB generic driver
Rename the protocol used by the MOTU FastLane to 'raw' because it might
be useful with other devices, and there are other MOTU interfaces that
do not use this protocol.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
USB generic driver
Cache the decoded values of idVendor/idProduct to get rid of most of
those ugly le16_to_cpu() calls.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
USB generic driver,USB USX2Y
This patch removes the superfluous driver parameter from the
disconnect functions.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
USB generic driver
This patch reintroduces the check for endpoint numbers that are
specified explicitly in the quirk structure.
This check was accidentally dropped in the last rewrite of
snd_usbmidi_detect_endpoints().
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.
Let it rip!
