Semaphore to mutex conversion.

The conversion was generated via scripts, and the result was validated
automatically via a script as well.
Signed-off-by: NIngo Molnar <mingo@elte.hu>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NTakashi Iwai <tiwai@suse.de>

Modules: USB generic driver

Add a quirk entry for the Edirol PC-50.
Signed-off-by: NClemens Ladisch <clemens@ladisch.de>

Modules: ALSA Core,PCM Midlevel,ALSA<-OSS emulation,USB generic driver

1) The verbose procfs code for the PCM midlevel and usb audio
   can be removed now (more patches will follow).
   CONFIG_SND_VERBOSE_PROCFS
2) The PCM OSS plugin system can be also compiled optionaly.
   CONFIG_SND_PCM_OSS_PLUGINS
Signed-off-by: NJaroslav Kysela <perex@suse.cz>

Modules: USB generic driver

Move the common packet size calculation code from
prepare_startup_playback_urb() and prepare_playback_urb() to a new
function.
Signed-off-by: NClemens Ladisch <clemens@ladisch.de>

Modules: USB generic driver

Move some entries around to keep them sorted by ID.
Signed-off-by: NClemens 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: NTakashi Iwai <tiwai@suse.de>

Modules: USB generic driver

On the Audigy 2 ZS, disable all sample rate that are not a multiple of
48 kHz because the others work only with the digital output which is
not yet supported.
Signed-off-by: NClemens Ladisch <clemens@ladisch.de>

Modules: USB generic driver

Some widespread USB interface chips with adaptive iso endpoints hang
after receiving a series of empty packets when they expect data (ALSA
bug#1585).  To avoid this, we have to send packets containing silence
(zero samples) instead.
Signed-off-by: NClemens Ladisch <clemens@ladisch.de>

It is no longer needed, so let's remove it, saving a bit of memory.
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

Modules: USB generic driver

Somebody at Edirol fucked up and released a new revision of the UA-20
without class-specific descriptors, so now we have to hard-code the
sample format.
Signed-off-by: NClemens Ladisch <clemens@ladisch.de>

Modules: USB USX2Y

Remove xxx_t typedefs from the USB-USX2Y driver.
Signed-off-by: NTakashi Iwai <tiwai@suse.de>

Modules: USB generic driver

Remove xxx_t typedefs from the USB-Audio driver.
Signed-off-by: NTakashi Iwai <tiwai@suse.de>

Modules: USB USX2Y

Clean up snd-usb-usx2y driver code:

- Avoid unnecessary cast
- Fix spaces/indents
- Use kzalloc()
- Remove weird debug prints
Signed-off-by: NTakashi Iwai <tiwai@suse.de>

Remove superflous pcm_free callbacks.
Signed-off-by: NTakashi Iwai <tiwai@suse.de>

Something noticed when studying use of VM_RESERVED in different drivers:
snd_usX2Y_hwdep_pcm_vm_nopage omitted to get_page: fixed.

And how did this work before?  Aargh!  That nopage is returning a page from
within a buffer allocated by snd_malloc_pages, which allocates a high-order
page, then does SetPageReserved on each 0-order page within.

That would have worked in 2.6.14, because when the area was unmapped,
PageReserved inhibited put_page.  2.6.15-rc1 removed that inhibition (while
leaving ineffective PageReserveds around for now), but it hasn't caused
trouble because..  we've not been freeing from VM_RESERVED at all.
Signed-off-by: NHugh Dickins <hugh@veritas.com>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>

Modules: USB generic driver
Signed-off-by: NJaroslav Kysela <perex@suse.cz>

Modules: USB generic driver

If we submit all our URBs when a playback stream is started, the first
hwptr_done update for each URB happens at the same time.  This results
in an underrun when there isn't enough PCM data available at this
point for all URBs.

To avoid this, we begin submitting our URBs earlier (when the stream
is prepared), with empy packets.  When the stream is started, the
prepare_playback_urb() call for each URB will be run only when the
respective URB has completed previously, so the first hwptr_done
updates will be done nicely staggered.
Signed-off-by: NClemens Ladisch <clemens@ladisch.de>
Signed-off-by: NTakashi Iwai <tiwai@suse.de>

Modules: USB generic driver

Remove a superfluous include of the sound/minors.h header.
Signed-off-by: NClemens Ladisch <clemens@ladisch.de>

Use schedule_timeout_{,un}interruptible() instead of
set_current_state()/schedule_timeout() to reduce kernel size.  Also use
human-time conversion functions instead of hard-coded division to avoid
rounding issues.
Signed-off-by: NNishanth Aravamudan <nacc@us.ibm.com>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NTakashi Iwai <tiwai@suse.de>

Modules: ALSA<-OSS emulation,USB generic driver,USB USX2Y

Added missing KERN_* prefix to printk.
Signed-off-by: NTakashi Iwai <tiwai@suse.de>

Modules: USB generic driver

Remove the usb_reset_configuration() call from the probe callback
because it isn't needed and it may interfere with other drivers
already loaded for the device.
Signed-off-by: NClemens Ladisch <clemens@ladisch.de>

- Remove vmalloc wrapper
- Add release_and_free_resource() to remove kfree_nocheck() from each driver
  and simplify the code
Signed-off-by: NTakashi Iwai <tiwai@suse.de>

Modules: USB generic driver

Move the usb_complete_callback() compatibility wrapper out of the
kernel tree.
Signed-off-by: NClemens Ladisch <clemens@ladisch.de>

Modules: USB generic driver

Move the usb_pipe_needs_resubmit() compatibility wrapper out of the
kernel tree.
Signed-off-by: NClemens Ladisch <clemens@ladisch.de>

Modules: USB generic driver

Add more comments about other device modes and unsupported devices to
the Roland part of the quirks table.
Signed-off-by: NClemens Ladisch <clemens@ladisch.de>

Modules: USB generic driver

Add a quirk entry for the Hercules DJ Console to ignore timeouts on
some mixer control transfers.
Signed-off-by: NClemens 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: NClemens Ladisch <clemens@ladisch.de>

Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>

USB generic driver
Add a quirk entry for the external MIDI ports of the
Windows Edition of the Hercules DJ Console.
Signed-off-by: NClemens Ladisch <clemens@ladisch.de>

USB generic driver
Add a mixer quirk entry for the Hercules DJ Console (Windows Edition)
that uses a different USB product ID.
Signed-off-by: NClemens Ladisch <clemens@ladisch.de>

USB generic driver
Increase the maximum PCM buffer size to 1 MB.  The USB driver doesn't
have any inherent buffer size limit, and big multichannel interfaces
may benefit from this.
Signed-off-by: NClemens Ladisch <clemens@ladisch.de>

USB generic driver
There is another revision of the PHASE26 with a different product ID;
add a quirk entry for that, too.
Signed-off-by: NClemens Ladisch <clemens@ladisch.de>

USB generic driver
Add quirk entries for four unknown Yamaha USB MIDI devices.
Signed-off-by: NClemens Ladisch <clemens@ladisch.de>

USB generic driver
Add a quirk entry for the Roland RD-700SX.
This should work for the RD-300SX, too.
Signed-off-by: NClemens Ladisch <clemens@ladisch.de>

USB generic driver
Add a quirk entry for the Hercules DJ Console to ignore timeouts on
some mixer control transfers.
Signed-off-by: NClemens Ladisch <clemens@ladisch.de>

Documentation,SA11xx UDA1341 driver,Generic drivers,MPU401 UART,OPL3
OPL4,Digigram VX core,I2C cs8427,I2C lib core,I2C tea6330t,L3 drivers
AK4114 receiver,AK4117 receiver,PDAudioCF driver,PPC PMAC driver
SPARC AMD7930 driver,SPARC cs4231 driver,Synth,Common EMU synth
USB generic driver,USB USX2Y
Replace kcalloc(1,..) with kzalloc().
Signed-off-by: NTakashi Iwai <tiwai@suse.de>

USB generic driver
Add the SNDRV_PCM_INFO_BATCH flag to the PCM hardware information to
indicate that the driver uses double buffering.
Signed-off-by: NClemens Ladisch <clemens@ladisch.de>

29 July 2005, Cambridge, MA:

This afternoon Alan Stern submitted a patch to remove the URB_ASYNC_UNLINK
flag from the Linux kernel.  Mr. Stern explained, "This flag is a relic
from an earlier, less-well-designed system.  For over a year it hasn't
been used for anything other than printing warning messages."

An anonymous spokesman for the Linux kernel development community
commented, "This is exactly the sort of thing we see happening all the
time.  As the kernel evolves, support for old techniques and old code can
be jettisoned and replaced by newer, better approaches.  Proprietary
operating systems do not have the freedom or flexibility to change so
quickly."

Mr. Stern, a staff member at Harvard University's Rowland Institute who
works on Linux only as a hobby, noted that the patch (labelled as548) did
not update two files, keyspan.c and option.c, in the USB drivers' "serial"
subdirectory.  "Those files need more extensive changes," he remarked.
"They examine the status field of several URBs at times when they're not
supposed to.  That will need to be fixed before the URB_ASYNC_UNLINK flag
is removed."

Greg Kroah-Hartman, the kernel maintainer responsible for overseeing all
of Linux's USB drivers, did not respond to our inquiries or return our
calls.  His only comment was "Applied, thanks."
Signed-off-by: NAlan Stern <stern@rowland.harvard.edu>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.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: NClemens 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: NClemens Ladisch <clemens@ladisch.de>