| 0ca54888060135806d5567f47a6ad54be5297b34 |
|
20-Jan-2012 |
Markus Grabner <grabner@icg.tugraz.at> |
staging: line6: separate handling of buffer allocation and stream startup
There are several features of the Line6 USB driver which require PCM
data to be exchanged with the device:
*) PCM playback and capture via ALSA
*) software monitoring (for devices without hardware monitoring)
*) optional impulse response measurement
However, from the device's point of view, there is just a single
capture and playback stream, which must be shared between these
subsystems. It is therefore necessary to maintain the state of the
subsystems with respect to PCM usage. We define several constants of
the form LINE6_BIT_PCM_<subsystem>_<direction>_<resource> with the
following meanings:
*) <subsystem> is one of
-) ALSA: PCM playback and capture via ALSA
-) MONITOR: software monitoring
-) IMPULSE: optional impulse response measurement
*) <direction> is one of
-) PLAYBACK: audio output (from host to device)
-) CAPTURE: audio input (from device to host)
*) <resource> is one of
-) BUFFER: buffer required by PCM data stream
-) STREAM: actual PCM data stream
The subsystems call line6_pcm_acquire() to acquire the (shared)
resources needed for a particular operation (e.g., allocate the buffer
for ALSA playback or start the capture stream for software monitoring).
When a resource is no longer needed, it is released by calling
line6_pcm_release(). Buffer allocation and stream startup are handled
separately to allow the ALSA kernel driver to perform them at
appropriate places (since the callback which starts a PCM stream is not
allowed to sleep).
Signed-off-by: Markus Grabner <grabner@icg.tugraz.at>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
/drivers/staging/line6/toneport.c
|
| 12177acdecfcb538b86590036a56fc47b443e135 |
|
20-Jan-2012 |
Markus Grabner <grabner@icg.tugraz.at> |
staging: line6: use source select control for UX2 devices
Signed-off-by: Markus Grabner <grabner@icg.tugraz.at>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
/drivers/staging/line6/toneport.c
|
| 188e664502dc47f83775a556e6db52cd8cc0b5fc |
|
10-Dec-2011 |
Stefan Hajnoczi <stefanha@gmail.com> |
staging: line6: eliminate useless NULL checks
The line6 driver checks struct field addresses for NULL where it does
not make sense to do so. The struct has already been checked for NULL
and there is no value in checking the first field's address too.
Suggested-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Stefan Hajnoczi <stefanha@gmail.com>
Signed-off-by: Markus Grabner <grabner@icg.tugraz.at>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
/drivers/staging/line6/toneport.c
|
| a3a972a053010bfd61c13cfa4ce688d4eebd9a19 |
|
18-Nov-2010 |
Greg Kroah-Hartman <gregkh@suse.de> |
Staging: line6: fix up my fixup for some sysfs attribute permissions
They should be writable by root, not readable.
Doh, stupid me with the wrong flags.
Reported-by: Jonathan Cameron <jic23@cam.ac.uk>
Cc: Markus Grabner <grabner@icg.tugraz.at>
Cc: Mariusz Kozlowski <m.kozlowski@tuxland.pl>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
/drivers/staging/line6/toneport.c
|
| 2018845b6a169f75341f8e68ad1089cb6697cf24 |
|
16-Nov-2010 |
Greg Kroah-Hartman <gregkh@suse.de> |
Staging: line6: fix up some sysfs attribute permissions
They should not be writable by any user
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Markus Grabner <grabner@icg.tugraz.at>
Cc: Mariusz Kozlowski <m.kozlowski@tuxland.pl>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
/drivers/staging/line6/toneport.c
|
| 027360c5644b59d99db30e3515a8ec72350207b9 |
|
22-Sep-2010 |
Greg Kroah-Hartman <gregkh@suse.de> |
Staging: line6: minor coding style cleanups
This fixes up all of the remaining coding style issues that
make any sense to make in the line6 driver.
Cc: Markus Grabner <grabner@icg.tugraz.at>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
/drivers/staging/line6/toneport.c
|
| e1a164d7a3e05aae15eb603ee8f1b77446480a3b |
|
23-Aug-2010 |
Markus Grabner <grabner@icg.tugraz.at> |
Staging: line6: another upstream sync
Everything should be in sync now.
Signed-off-by: Markus Grabner <grabner@icg.tugraz.at>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
/drivers/staging/line6/toneport.c
|
| 1027f476f507ef7ed9919cd3e3d32310f3985da1 |
|
12-Aug-2010 |
Markus Grabner <grabner@icg.tugraz.at> |
staging: line6: sync with upstream
Big upstream sync.
Signed-off-by: Markus Grabner <grabner@icg.tugraz.at>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
/drivers/staging/line6/toneport.c
|
| bb950a169d98ac9a2b8a899f95ed5d784c14f3cc |
|
16-Nov-2009 |
Shawn Bohrer <shawn.bohrer@gmail.com> |
staging: line6: Convert simple_strtol to strict_strtol in toneport.c
Signed-off-by: Shawn Bohrer <shawn.bohrer@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
/drivers/staging/line6/toneport.c
|
| 63a4a8bad9715421e9efdfba6455c7a25d1be6e7 |
|
16-Nov-2009 |
Shawn Bohrer <shawn.bohrer@gmail.com> |
staging: line6: Lindent and fix some checkpatch warnings in toneport.c
Signed-off-by: Shawn Bohrer <shawn.bohrer@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
/drivers/staging/line6/toneport.c
|
| 6353773b5230514d4f1d3dc98a84a72e3a954e87 |
|
28-Feb-2009 |
Greg Kroah-Hartman <gregkh@suse.de> |
Staging: line6: fix checkpatch errors in toneport.c
Lots of warnings also fixed up.
Cc: Markus Grabner <grabner@icg.tugraz.at>
Cc: Mariusz Kozlowski <m.kozlowski@tuxland.pl>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
/drivers/staging/line6/toneport.c
|
| 536165d8ef6933131bf7166338eafa77b75f8bb7 |
|
28-Feb-2009 |
Greg Kroah-Hartman <gregkh@suse.de> |
Staging: line6: fix up NULL assignment mistakes
Should use NULL for a pointer, not 0, otherwise sparse complains.
Cc: Markus Grabner <grabner@icg.tugraz.at>
Cc: Mariusz Kozlowski <m.kozlowski@tuxland.pl>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
/drivers/staging/line6/toneport.c
|
| 77491e524ccb78adfad9cdc1b0b175c4e9fd0368 |
|
28-Feb-2009 |
Greg Kroah-Hartman <gregkh@suse.de> |
Staging: line6: remove DEVICE_ATTRIBUTE
As the code is in the kernel tree, it's no longer needed.
Cc: Markus Grabner <grabner@icg.tugraz.at>
Cc: Mariusz Kozlowski <m.kozlowski@tuxland.pl>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
/drivers/staging/line6/toneport.c
|
| 705ececd1c60d0f5d6ef2a719008847883516970 |
|
28-Feb-2009 |
Markus Grabner <grabner@icg.tugraz.at> |
Staging: add line6 usb driver
This is an experimental Linux driver for the guitar amp, cab, and
effects modeller PODxt Pro by Line6 (and similar devices), supporting
the following features:
- Reading/writing individual parameters
- Reading/writing complete channel, effects setup, and amp setup data
- Channel switching
- Virtual MIDI interface
- Tuner access
- Playback/capture/mixer device for any ALSA-compatible PCM audio
application
- Signal routing (record clean/processed guitar signal, re-amping)
Moreover, preliminary support for the Variax Workbench is included.
From: Markus Grabner <grabner@icg.tugraz.at>
Cc: Mariusz Kozlowski <m.kozlowski@tuxland.pl>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
/drivers/staging/line6/toneport.c
|