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This was done to handle a number of conflicts in the batman-adv
and winbond drivers properly. It also now allows us to fix up the sysfs
attributes properly that were not in the .37 release due to them being
only in this tree at the time.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Add header file to fix build error:
drivers/staging/easycap/easycap_main.c:4251: error: implicit declaration of function 'lock_kernel'
drivers/staging/easycap/easycap_main.c:4254: error: implicit declaration of function 'unlock_kernel'
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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The big kernel lock has been removed from all these files at some point,
leaving only the #include.
Remove this too as a cleanup.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The easycap driver has module parameters (bars, gain, & debug)
with global scope that intrude on the kernel namespace and cause
build problems. Change the names of them to be driver-specific
and make 2 of them static.
drivers/built-in.o:(.bss+0x97c00): multiple definition of `debug'
ld: Warning: size of symbol `debug' changed from 58 in arch/x86/built-in.o to 4 in drivers/built-in.o
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Mike Thomas <rmthomas@sciolus.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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The changes here represent an intermediate step towards bringing the
driver within the V4L2 framework.
Signed-off-by: Mike Thomas <rmthomas@sciolus.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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No locking is required for normal operation of the driver, but locking
is needed to prevent an Oops during some hot-unplugging scenarios. The
BKL is replaced here by mutex locks together with traps to detect null
pointers following asynchronous device disconnection.
Signed-off-by: Mike Thomas <rmthomas@sciolus.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Replacing some of the large automatic variables by dynamically allocated
variables in the IOCTL routines gets rid of the compiler warning.
Signed-off-by: Mike Thomas <rmthomas@sciolus.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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A new module parameter adjusts the gain of the AC'97 audio chip, if
one is present. Attenuation as well as amplification should be possible
according to the datasheet, but attenuation seems not to work yet.
Signed-off-by: Mike Thomas <rmthomas@sciolus.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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A new module parameter turns on the option of displaying a testcard when
the analogue input signal is lost (more precisely: when the hardware
detects no field/frame synchronization). This feature has been requested
in the context of security cameras used at night.
Signed-off-by: Mike Thomas <rmthomas@sciolus.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Interlaced modes are requested by tvtime. Reduced framerates are
preferred by some userspace programs, e.g. astronomy applications.
Signed-off-by: Mike Thomas <rmthomas@sciolus.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Sometimes at startup the video urbs consistently and persistently deliver
bad data, each video frame (not isoc frame) containing an excess of
precisely two bytes. A brute-force cure implemented here is to
repeatedly reinitialize the registers of the SAA7113H chip and the
STK1160 USB bridge until good behaviour is obtained.
Signed-off-by: Mike Thomas <rmthomas@sciolus.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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In order to allow multiple EasyCAP dongles to operate simultaneously
without mutual interference all static variables have been eliminated
except for a persistent inventory of plugged-in dongles at module level.
Signed-off-by: Mike Thomas <rmthomas@sciolus.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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The so-called bridger routine has proved unnecessary following general
improvements elsewhere. The explain_() functions were a convenience
during early development, but are unnecessary and inappropriate now.
Signed-off-by: Mike Thomas <rmthomas@sciolus.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This merges the staging-next tree to Linus's tree and resolves
some conflicts that were present due to changes in other trees that were
affected by files here.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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With all the patches we have queued in the BKL removal tree, only a
few dozen modules are left that actually rely on the BKL, and even
there are lots of low-hanging fruit. We need to decide what to do
about them, this patch illustrates one of the options:
Every user of the BKL is marked as 'depends on BKL' in Kconfig,
and the CONFIG_BKL becomes a user-visible option. If it gets
disabled, no BKL using module can be built any more and the BKL
code itself is compiled out.
The one exception is file locking, which is practically always
enabled and does a 'select BKL' instead. This effectively forces
CONFIG_BKL to be enabled until we have solved the fs/lockd
mess and can apply the patch that removes the BKL from fs/locks.c.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Changed <module>-objs to <module>-y in Makefile.
Signed-off-by: Tracey Dent <tdent48227@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Changed to use the proper ccflags-y option
Signed-off-by: Tracey Dent <tdent48227@gmail.com>
Acked-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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These were amongst the last users of struct file_operations:ioctl
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
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Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Upsampling from 8000 Hz mono to 32000 Hz stereo improves audio/video
synchronization when userspace programs adopt default buffering. This
is an experimental feature.
Signed-off-by: Mike Thomas <rmthomas@sciolus.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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New members of struct easycap take the place of undesirable global variables.
Signed-off-by: Mike Thomas <rmthomas@sciolus.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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The "depends on" line was inadvertently omitted from the inaugural patch.
Signed-off-by: Mike Thomas <rmthomas@sciolus.org>
Acked-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This adds the easycap USB video adapter driver to
the staging directory.
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Greg Kroah-Hartman
Randy Dunlap
Arnd Bergmann
Mike Thomas
Tracey Dent
Frederic Weisbecker
Joe Perches