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From: Hans de Goede <hdegoede@redhat.com>
When a user does a try_fmt with the current dest_fmt and the dest_fmt
is a supported one we will align the resulution (see try_fmt for why).
Do the on the result of the first get_fmt, so that a try_fmt on the result of
a get_fmt done immediately after open leaves the fmt unchanged
Priority: normal
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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From: Hans de Goede <hdegoede@redhat.com>
Use v4l2_ioctl instead of native ioctl's when finding out what the
minimum / maximum size is, so that we take the resolution aligment done
by libv4l2 into account for the minimum / maximum size.
Priority: normal
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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From: Trent Piepho <xyzzy@speakeasy.org>
It's possible that the height alignment would be increased beyond the
maximum possible value when trying to satisfy size alignment.
Please fold with b4d3ec8d363d
v4l2: Create helper function for bounding and aligning images
Priority: high
Signed-off-by: Trent Piepho <xyzzy@speakeasy.org>
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From: Hans de Goede <hdegoede@redhat.com>
libv4l: Make sure Y and UV or from the same 2x2 pixel block when cropping
Priority: normal
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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From: Hans de Goede <hdegoede@redhat.com>
Fix a bug in the always report widths which are a multiple of 8 code added
in 0.5.97
Priority: normal
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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From: Hans de Goede <hdegoede@redhat.com>
Sometimes the ov518 gives us an incomplete frame, detect this and throw
it away.
Priority: normal
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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From: Hans de Goede <hdegoede@redhat.com>
libv4l: Remove 0 blocks from non-compresses ov511 frames too
Priority: normal
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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From: Hans de Goede <hdegoede@redhat.com>
This patch adds autobrightness (so that it can
be turned off to make the already present brightness
control work) and light frequency filtering controls.
The lightfreq control needed 2 different entries
in the ctrls array, as the number of options differs
depending on the sensor. Always one of the 2 entires is
disabled ofcourse.
Priority: normal
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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From: Hans de Goede <hdegoede@redhat.com>
gspca: fix NULL pointer deref in query_ctrl
Priority: normal
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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From: Trent Piepho <xyzzy@speakeasy.org>
On Fri, 12 Jun 2009, Randy Dunlap wrote:
> From: Randy Dunlap <randy.dunlap@oracle.com>
>
> Move v4l_bound_align_image() outside of an #ifdef CONFIG_I2C block
> so that it is always built. Fixes a build error:
clamp_align() should be moved as well, since it's only used by
v4l_bound_align_image(). I'm attaching an alternate version that fixes
this. Labeled the endif too.
Reported-by: Randy Dunlap <randy.dunlap@oracle.com>
Priority: normal
Signed-off-by: Trent Piepho <xyzzy@speakeasy.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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mutex_lock_interruptible()
From: Robert Krakora <rob.krakora@messagenetsystems.com>
Fix for no return value check of uvc_ctrl_set() which calls
mutex_lock_interruptible().
Priority: normal
Signed-off-by: Robert Krakora <rob.krakora@messagenetsystems.com>
Acked-by: Laurent Pinchart <laurent.pinchart@skynet.be>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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From: Hans de Goede <hdegoede@redhat.com>
libv4l: add missing stdint.h include to libv4l2.h
Priority: normal
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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From: Hans de Goede <hdegoede@redhat.com>
libv4l: add support for decompressing ov511 compressed frames
Priority: normal
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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From: David Wong <davidtlwong@gmail.com>
lgs8gxx: update signal strength scale
Signed-off-by: David T.L. Wong <davidtlwong <at> gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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From: David Wong <davidtlwong@gmail.com>
lgs8gxx: lgs8913 fake signal strength option default on. Original
calculation is too slow.
Signed-off-by: David T.L. Wong <davidtlwong <at> gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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From: Jan Nikitenko <jan.nikitenko@gmail.com>
This patch fixes stack corruption bug present in af9015_eeprom_dump():
the buffer buf is one byte smaller than required - there is 4 chars
for address prefix, 16*3 chars for dump of 16 eeprom bytes per line
and 1 byte for zero ending the string required, i.e. 53 bytes, but
only 52 are provided.
The one byte missing in stack based buffer buf causes following oops
on MIPS little endian platform, because i2c_adap pointer in
af9015_af9013_frontend_attach() is corrupted by inlined function
af9015_eeprom_dump():
CPU 0 Unable to handle kernel paging request at virtual address 00000000, epc ==
803a4488, ra == c049a1c8
Oops[#1]:
Cpu 0
$ 0 : 00000000 10003c00 00000000 803a4468
$ 4 : 8f17c600 8f067b30 00000002 00000038
$ 8 : 00000001 8faf3e98 11da000d 09010002
$12 : 00000000 00000000 00000000 0000000a
$16 : 8f17c600 8f067b68 8faf3c00 8f067c04
$20 : 8f067b9c 00000100 8f067bf0 80104100
$24 : 00000000 2aba9fb0
$28 : 8f066000 8f067af0 802cbc48 c049a1c8
Hi : 00000000
Lo : 00000000
epc : 803a4488 i2c_transfer+0x20/0x104
Not tainted
ra : c049a1c8 af9013_read_reg+0x78/0xc4 [af9013]
Status: 10003c03 KERNEL EXL IE
Cause : 00808008
BadVA : 00000000
PrId : 03030200 (Au1550)
Modules linked in: af9013 dvb_usb_af9015(+) dvb_usb dvb_core firmware_class
i2c_au1550 au1550_spi
Process modprobe (pid: 2757, threadinfo=8f066000, task=8fade098, tls=2aad6470)
Stack : c049f5e0 80163090 805ba880 00000100 8f067bf0 0000d733 8f067b68 8faf3c00
8f067c04 c049a1c8 80163bc0 8056a630 8f067b40 80163224 80569fc8 8f0033d7
00000038 80140003 8f067b2c 00010038 c0420001 8f067b28 c049f5e0 00000004
00000004 c049a524 c049d5a8 c049d5a8 00000000 803a6700 00000000 8f17c600
c042a7a4 8f17c600 c042a7a4 c049c924 00000000 00000000 00000002 613a6c00
...
Call Trace:
[<803a4488>] i2c_transfer+0x20/0x104
[<c049a1c8>] af9013_read_reg+0x78/0xc4 [af9013]
[<c049a524>] af9013_read_reg_bits+0x2c/0x70 [af9013]
[<c049c924>] af9013_attach+0x98/0x65c [af9013]
[<c04257bc>] af9015_af9013_frontend_attach+0x214/0x67c [dvb_usb_af9015]
[<c03e2428>] dvb_usb_adapter_frontend_init+0x20/0x12c [dvb_usb]
[<c03e1ad8>] dvb_usb_device_init+0x374/0x6b0 [dvb_usb]
[<c0426120>] af9015_usb_probe+0x4fc/0xfcc [dvb_usb_af9015]
[<80381024>] usb_probe_interface+0xbc/0x218
[<803227fc>] driver_probe_device+0x12c/0x30c
[<80322a80>] __driver_attach+0xa4/0xac
[<80321ed0>] bus_for_each_dev+0x60/0xd0
[<8032162c>] bus_add_driver+0x1e8/0x2a8
[<80322cdc>] driver_register+0x7c/0x17c
[<80380d30>] usb_register_driver+0xa0/0x12c
[<c042e030>] af9015_usb_module_init+0x30/0x6c [dvb_usb_af9015]
[<8010d2a4>] __kprobes_text_end+0x3c/0x1f4
[<80167150>] sys_init_module+0xb8/0x1cc
[<80102370>] stack_done+0x20/0x3c
Code: afb10018 7000003f 00808021 <8c430000> 7000003f 1060002d 00c09021
8f830014 3c02efff
Signed-off-by: Jan Nikitenko <jan.nikitenko@gmail.com>
Acked-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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From: Hans Verkuil <hverkuil@xs4all.nl>
Priority: normal
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
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From: Hans Verkuil <hverkuil@xs4all.nl>
Priority: normal
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
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From: Alan Cox <alan@linux.intel.com>
Having fixed the sprintfs I decided a quick clean wouldn't do any harm so
it was actually easy to read in future.
Priority: normal
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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From: Alexey Klimov <klimov.linux@gmail.com>
Patch removes needless if check and goto.
Signed-off-by: Alexey Klimov <klimov.linux@gmail.com>
Reviewed-by: Erik Andrén <erik.andren@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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From: Gregor Jasny <gjasny@googlemail.com>
libv4l: remove DEADJOE files during make clean
Priority: normal
Signed-off-by: Gregor Jasny <gjasny@googlemail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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From: Hans de Goede <hdegoede@redhat.com>
Change support for decompressing ov518 "JPEG" to piping data through an
external helper as I've failed to contact Mark W. McClelland to get
permission to relicense the code. If you know a working email address for
Mark W. McClelland, please let me know.
Priority: normal
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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From: Abylay Ospan <aospan@netup.ru>
Signed-off-by: Abylay Ospan <aospan@netup.ru>
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From: Abylay Ospan <aospan@netup.ru>
Signed-off-by: Abylay Ospan <aospan@netup.ru>
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From: Igor M. Liplianin <liplianin@netup.ru>
Signed-off-by: Igor M. Liplianin <liplianin@netup.ru>
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From: Barry Kitson <b.kitson@gmail.com>
Add 1461:f736 to the list of identifiers corresponding to the
SAA7134_BOARD_AVERMEDIA_M103 board. This patch adds support for
a variant of the AVerMedia M103 MiniPCI DVB-T Hybrid card.
Signed-off-by: Barry Kitson <b.kitson@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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From: Hans Verkuil <hverkuil@xs4all.nl>
i2c_unregister_device must be called on kernels >= 2.6.26, not just for
kernels >= 2.6.29.
Priority: normal
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
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From: Hans Verkuil <hverkuil@xs4all.nl>
Add a new s_config core ops call: this is called with the irq and platform
data to be used to initialize the subdev.
Added new v4l2_i2c_new_subdev_cfg and v4l2_i2c_new_subdev_board calls
that allows you to pass these new arguments.
The existing v4l2_i2c_new_subdev functions were modified to also call
s_config.
In the future the existing v4l2_i2c_new_subdev functions will be replaced
by a single v4l2_i2c_new_subdev function similar to v4l2_i2c_new_subdev_cfg
but without the irq and platform_data arguments.
Priority: normal
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
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flag detected in header
Signed-off-by: Abylay Ospan <aospan@netup.ru>
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From: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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From: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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From: Figo.zhang <figo1802@gmail.com>
vfree() does it's own NULL checking, no need for explicit check before
calling it.
Signed-off-by: Figo.zhang <figo1802@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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From: Hans de Goede <hdegoede@redhat.com>
Add support for decompressing ov518 "JPEG", note this code is not
LGPL yet, I'm waiting for a license change permission. If I do not
get one this will be moved to an external helper and the data
will be piped through this, to keep libv4l2.so LGPL
Priority: normal
Signed-off-by: Hans de Goede
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From: Hans de Goede <hdegoede@redhat.com>
libv4l: recognize when controls are disabled
Priority: normal
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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From: Alan Cox <alan@linux.intel.com>
The ivtv stream buffers may be for receive or for send but the attached sg
handle is always destined cpu->device. We flush it correctly but the
allocation is wrongly done with the same type as the buffers.
See bug: http://bugzilla.kernel.org/show_bug.cgi?id=13385
(Note this doesn't close the bug - it fixes the ivtv part and in turn the
logging next shows up some rather alarming DMA sg list warnings in libata)
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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From: Lennart Poettering <mzxreary@0pointer.de>
The current code creates a sysfs device path where the video4linux
device is child of the usb device itself instead of the interface it
belongs to. That is evil and confuses udev.
This patch does basically the same thing as Kay's similar patch for the
ov511 driver:
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=ce96d0a44a4f8d1bb3dc12b5e98cb688c1bc730d
Signed-off-by: Lennart Poettering <mzxreary@0pointer.de>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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From: Jean Delvare <khali@linux-fr.org>
Add missing __devexit_p() to several drivers. Also add a few missing
__init, __devinit and __exit markers. These errors could result in
build failures depending on the kernel configuration.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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From: Mauro Carvalho Chehab <mchehab@redhat.com>
feedback
CC: Andy Walls <awalls@radix.net>
CC: Hermann Pitton <hermann-pitton@arcor.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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From: Mauro Carvalho Chehab <mchehab@redhat.com>
By mistake, I've committed a changeset that it is not done yet together
with a fix. Revert the broken part of the old changeset.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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From: Figo.zhang <figo1802@gmail.com>
add poiter check for videobuf_queue_core_init().
any guys who write a v4l driver, pass a NULL pointer or a non-inintial
pointer to the first parameter such as videobuf_queue_sg_init() , it
would be crashed.
Signed-off-by: Figo.zhang <figo1802@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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From: Hans Petter Selasky <hselasky@freebsd.org>
Add a patch by Hans Petter Selasky <hselasky@freebsd.org>, which should
lead to allowing use of libv4l (and the Linux webcam drivers ported
to userspace usb drivers) on FreeBSd, this is a work in progress
Priority: normal
Signed-off-by: Hans Petter Selasky <hselasky@freebsd.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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From: Mauro Carvalho Chehab <mchehab@redhat.com>
The last changeset has an else missing, causing wrong frequencies for
DTV6. Thanks to Terry Wu <terrywu2009@gmail.com> for pointing the issue.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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From: Mauro Carvalho Chehab <mchehab@redhat.com>
Both ATSC and DVB @ 6MHz bandwidth require the same offset.
While we're fixing it, let's cleanup the bandwidth setup to better
reflect the fact that it is a function of the bandwidth.
Thanks to Terry Wu <terrywu2009@gmail.com> for pointing this issue and
to Andy Walls <awalls@radix.net> for an initial patch for this fix.
Priority: normal
CC: Terry Wu <terrywu2009@gmail.com>
CC: Andy Walls <awalls@radix.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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From: Mauro Carvalho Chehab <mchehab@redhat.com>
bandwidth for xc3028/xc3028L
The only two countries that are known to use 6MHz bandwidth are Taiwan
and Uruguay. Both use QAM subcarriers at OFTM.
This patch fixes the firmware load for such countries, where the
required firmware is the QAM one.
This also confirms the previous tests where it was noticed that the 6MHz
QAM firmware doesn't work for cable. So, this patch also removes support
for DVB-C, instead of just printing a warning.
Thanks to Terry Wu <terrywu2009@gmail.com> for pointing this issue and
to Andy Walls <awalls@radix.net> for an initial patch for this fix.
Priority: normal
CC: Terry Wu <terrywu2009@gmail.com>
CC: Andy Walls <awalls@radix.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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From: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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From: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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From: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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From: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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From: Antti Palosaari <crope@iki.fi>
Add USB ID (0458:4012) for Genius TVGo DVB-T03.
Thanks to Petr Vodicka <vodicka.petr@email.cz> for reporting and testing.
Priority: normal
Signed-off-by: Antti Palosaari <crope@iki.fi>
Tested-by: Petr Vodicka <vodicka.petr@email.cz>
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From: Trent Piepho <xyzzy@speakeasy.org>
In the TRY_FMT handler the function get_scale() is called to find what the
scaler hardware will produce for a requested size.
The problem is that get_scale(struct cx231xx *dev, ..., unsigned int *vscale,
unsigned int *hscale) saves the calculated scale values into both the
pointer arguments and into dev's hscale and vscale fields. TRY_FMT shouldn't
actually change anything in the device state.
The code to in get_scale() that writes to dev->[hv]scale can just be
deleted. In all cases when dev's fields should be modified, get_scale()
was called with get_scale(dev, ..., &dev->hscale, &dev->vscale), so dev was
getting updated anyway.
This didn't actually cause a problem because nothing ever actually made use
of the hscale and vscale fields. I changed cx231xx_resolution_set() to use
those fields rather than re-calculate them with a call to get_scale().
Updating [hv]scale in cx231xx_resolution_set() isn't necessary because
every call of cx231xx_resolution_set() was already preceded by a call to
get_scale() or setting the [hv]scale fields, so they will be always be
up-to-date w.r.t. width and height.
Removing the call to get_scale() from cx231xx_resolution_set() allowed
making get_scale() a static function, which is a good thing for something
with such a short name. There is already another function with the same
name in the em28xx driver, but that one is static.
Priority: normal
Signed-off-by: Trent Piepho <xyzzy@speakeasy.org>
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