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There's no need to load SCode table for FM.
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Fix compilation of user processes which includes videodev*.h but
not includes linux/ioctl.h:
v4l2ext_helper.c: In function 'process_ioctl':
v4l2ext_helper.c:183: warning: implicit declaration of function '_IOWR'
v4l2ext_helper.c:183: error: expected expression before 'struct'
v4l2ext_helper.c:183: error: case label does not reduce to an integer constant
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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The initial work to convert the bttv driver to V4L2 "Partial conversion
from V4L1 to V4L2" (e84619b17440ccca4e4db7583d126c4189b987e5), missed
the line which set the appropriate overlay crop structure in the newly
allocated bttv_buffer. This then causes a divide error in the
bttv_calc_geo function.
Signed-off-by: Robert Fitzsimons <robfitz@273k.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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drivers/built-in.o: In function `set_type':
tuner-core.c:(.text+0x8879d): undefined reference to `xc5000_attach'
Signed-off-by: Tony Breeds <tony@bakeyournoodle.com>
Reviewed-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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It currently isn't possible to open the frontend device of cx88-mpeg devices
(DVB or Blackbird) multiple times concurrently. (for instance, to attach a
signal monitoring tool while reading a stream, or to send a frequency change
ioctl) This patch fixes that condition.
Signed-off-by: Roland Stoll <roland@xindex.de>
Signed-off-by: Ricardo Cerqueira <v4l@cerqueira.org>
Reviewed-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Do away with the need to set tuner=63 on cx88xx with recent HVR-1300 boards
Signed-off-by: Ricardo Cerqueira <v4l@cerqueira.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Signed-off-by: Adrian Pardini <pardo.bsso@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Together with Oliver Neukum from Novell, USB autosuspend support was added.
Signed-off-by: Tobias Lorenz <tobias.lorenz@gmx.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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This patch combines all the finished discussions and its resulting patches from
the mailing list.
The version 1.0.6 is mainly influenced by Oliver Neukum. He found a lot of
small issues, that are fixed with this patch now. For me the most interesting
thing is, that it's now safer to use it on other architectures.
The history for version 1.0.6 is:
- fixed coverity checker warnings in *_usb_driver_disconnect
- probe()/open() race by correct ordering in probe()
- DMA coherency rules by separate allocation of all buffers
- use of endianness macros
- abuse of spinlock, replaced by mutex
- racy handling of timer in disconnect, replaced by delayed_work
- racy interruptible_sleep_on(), replaced with wait_event_interruptible()
- handle signals in read()
The driver is tested with all Debian/testing radio programs and rdsd. The patch
is tested against checkpatch.pl v1.12.
Signed-off-by: Tobias Lorenz <tobias.lorenz@gmx.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Some cards need the diseqc signal modulated, while some just need
the envelope to control the LNB supply.
This fixes Bug 9887
Signed-off-by: Hartmut Hackmann <hartmut.hackmann@t-online.de>
Acked-by: Oliver Endriss <o.endriss@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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fix the following build warning:
radio-si470x.c: In function 'si470x_get_rds_registers':
radio-si470x.c:562: warning: format '%ld' expects type 'long int',
but argument 3 has type 'unsigned int'
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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is set
Thanks to Alan Stern <stern@rowland.harvard.edu> for pointing this issue.
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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em28xx driver is capable of handling more than one usb device. However, isoc
transfers require a large amount of data to be transfered.
Before this patch, just one em28xx board were enough to allocate more than 50%
URBs:
T: Bus=02 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=480 MxCh= 8
B: Alloc=480/800 us (60%), #Int= 0, #Iso= 2
D: Ver= 2.00 Cls=09(hub ) Sub=00 Prot=01 MxPS=64 #Cfgs= 1
So, only one board could use an USB host at the same time. After the patch, it
is possible to use more than one em28xx at the same time, on the same usb host,
if the image size is slower or equal to 345600, since those images will
require about 30% of the URBs:
T: Bus=02 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=480 MxCh= 8
B: Alloc=232/800 us (29%), #Int= 0, #Iso= 2
D: Ver= 2.00 Cls=09(hub ) Sub=00 Prot=01 MxPS=64 #Cfgs= 1
So, in thesis, after the patch, it would be possible to use up to 3 boards by
each usb host, if the devices are generating small images.
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Improves audio configurations on em28xx:
- mutes audio before changing amux;
- adds a delay after setting audio src;
- waits up to 50ms for ac97 busy.
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Adds vidioc_[g|s]_register handlers. This allows getting/setting register
from em28xx.
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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AC97 register initialization seem to always be needed. This patch fixes audio
for Prolink/Pixelview USB2 board.
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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variable
drivers/media/video/em28xx/em28xx-core.c: In function 'em28xx_set_audio_source':
drivers/media/video/em28xx/em28xx-core.c:276: warning: 'no_ac97' may be used uninitialized in this function
This looks like a genuine bug to me.
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Signed-off-by: Brandon Philips <bphilips@suse.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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'!' has a higher priority than '&': bitanding has no effect.
Signed-off-by: Roel Kluin <12o3l@tiscali.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Device description:
WinTV-HVR-900
M/R: 65018/B3C0 ##4207
Signed-off-by: Luc Saillard <luc@saillard.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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videobuf functions at close() method already locks videobuf. It makes no sense
to keep the locking at empress close() method.
There is also a lock at open() method. I'm not sure if it is safe to remove the
locking there.
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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This helps to identify where vb_lock is being used, and find missusages of the
locks.
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Removes the duplicated mutex_init code.
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Improved display of still pictures (VIDEO_STILLPICTURE ioctl).
Ensure that both fields are displayed for progressive frames.
Thanks to Reinhard Nissl and Klaus Schmidinger for finding out
that the FREEZE command does this.
Thanks-to: Reinhard Nissl <rnissl@gmx.de>
Thanks-to: Klaus Schmidinger <Klaus.Schmidinger@cadsoft.de>
Signed-off-by: Oliver Endriss <o.endriss@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Add support for Satelco EasyWatch PCI DVB-T, sub-id 0x1894:0x003a.
Signed-off-by: Kim Sandberg <ksan@saunalahti.fi>
Signed-off-by: Oliver Endriss <o.endriss@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Add support for KNC TV Station Plus X4, sub-system id 0x1894:0x0015.
Based on a patch submitted by Johannes Deisenhofer.
Thanks-to: Johannes Deisenhofer <jo.deisenhofer@googlemail.com>
Signed-off-by: Oliver Endriss <o.endriss@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Thanks to Darren Salt <linux@youmustbejoking.demon.co.uk> for pointing this
issue.
Signed-off-by: Tobias Lorenz <tobias.lorenz@gmx.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Adrian used the coverity checker against radio-si470x and found this:
> The Coverity checker spotted the following check-after-use in
> drivers/media/radio/radio-si470x.c:
>
> <-- snip -->
> static void si470x_usb_driver_disconnect(struct usb_interface *intf)
> {
> struct si470x_device *radio = usb_get_intfdata(intf);
>
> del_timer_sync(&radio->timer); <------------------
> flush_scheduled_work();
>
> usb_set_intfdata(intf, NULL);
> if (radio) { <------------------
> video_unregister_device(radio->videodev);
> kfree(radio->buffer);
> kfree(radio);
> }
> }
> <-- snip -->
>
> Either "radio" can be NULL and this case has to be properly handled or
> the NULL check is not required.
These two lines should indeed better be inside the if statement.
Signed-off-by: Tobias Lorenz <tobias.lorenz@gmx.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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This patch makes the following needlessly global functions static:
- em28xx-core.c:em28xx_write_reg_bits()
- em28xx-video.c:em28xx_vdev_init()
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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This patch makes the following needlessly global functions static:
- stk_sensor_outb()
- stk_sensor_inb()
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Acked-by: Jaime Velasco Juan <jsagarribay@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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stk_camera_cleanup() can become static.
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Acked-by: Jaime Velasco Juan <jsagarribay@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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tuner_list can become static - and it's anyway a way too generic name
for a global variable - see commit b00ef4b8d8c29bfb5f6f92ee60bc04b604f36ef2
for a completely different global variable of the same name I just made
static...
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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This patch fixes an off-by-one error spotted by the Coverity checker.
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Reviewed-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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saa7134-dvb: add missing dvb_attach around tda10046_attach
This patch adds a possibly missing dvb_attach for tda10046_attach.
This removes the hard dependency of saa7134-dvb on tda1004x module.
Signed-off-by: Matthias Schwarzott <zzam@gentoo.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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isapnp_fmi_probe attaches device. However, if request_region() fails, the
device isn't disattached.
Reviewed-by: Douglas Schilling Landgraf <dougsland@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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This patch changed the request_region() validation to avoid invalid return.
Thanks to Roland Kletzing <devzero@web.de> for bug report and data collection.
Signed-off-by: Douglas Schilling Landgraf <dougsland@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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functions
I updated the radio-si470x driver another time. Here are the commented history entries:
- number of seek_retries changed to tune_timeout
The last versions checked for the end of frequency tuning by polling a si470x register.
Therefore polling depended on the usb utilization.
This was changed to have a constant timeout now.
- fixed problem with incomplete tune operations by own buffers
The last version used a shared buffer to assembly the USB HID reports.
It sometimes happened, that multiple functions were modifing this buffer simultanuously.
When sending such reports, the hardware returned USB stalls (-EPIPE).
Now buffers of the correct size (smaller than before) are allocated as local variables.
- optimization of variables
The size of some variables has been reduced to allow the compiler to generate more optimized code.
- improved error logging
At some important location, error checking was improved.
Especially the usb transfers to access si470x registers and the tuning functions were modified.
Signed-off-by: Tobias Lorenz <tobias.lorenz@gmx.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Signed-off-by: Jaime Velasco Juan <jsagarribay@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Signed-off-by: Jaime Velasco Juan <jsagarribay@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Signed-off-by: Jaime Velasco Juan <jsagarribay@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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This patch does fix potential NULL pointer dereference
due to logical typo error.
The issue is pointed out by
Guennadi Liakhovetski <g.liakhovetski@pengutronix.de>
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
CC: Sakari Ailus <sakari.ailus@nokia.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Thanks to Angelo Lisco for his initial patch we missed and to
Ahmet Dogan Ugurel confirming such a device functional.
Signed-off-by: Hermann Pitton <hermann-pitton@arcor.de>
Signed-off-by: Hartmut Hackmann <hartmut.hackmann@t-online.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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This adds support for analog inputs and DVB-T.
Good sensitivity for DVB-T currently needs to use analog TV first.
DVB-S support is not yet completed, but is on the way.
Signed-off-by: Hermann Pitton <hermann-pitton@arcor.de>
Signed-off-by: Hartmut Hackmann <hartmut.hackmann@t-online.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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It also enumerates now the separate composite input at first
and adds mute ability to radio and external audio-in.
Many thanks to Daftcho Tabakov for reporting the flaws and testing.
Signed-off-by: Hermann Pitton <hermann-pitton@arcor.de>
Signed-off-by: Hartmut Hackmann <hartmut.hackmann@t-online.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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S-Video is unconfirmed, but likely correct.
The remote is not yet investigated.
Thanks go to Sioux for providing code and asking to fix the auto
detection.
Signed-off-by: sioux <sioux_it@libero.it>
Signed-off-by: Hermann Pitton <hermann-pitton@arcor.de>
Signed-off-by: Hartmut Hackmann <hartmut.hackmann@t-online.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Signed-off-by: Antoine Jacquet <royale@zerezo.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Signed-off-by: Antoine Jacquet <royale@zerezo.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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