The control step values reported by the device are used as a divisor
unchecked, which can result in a division by zero.

Check the step value and make it 1 when null.
Signed-off-by: NLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

The UVC relative controls (exposure time, iris, focus, zoom, pan/tilt)
are write-only (despite the UVC specification stating that the GET_CUR
request is mandatory). Mark the controls as such, and report the related
V4L2 controls V4L2_CTRL_FLAG_WRITE_ONLY.
Signed-off-by: NLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

The Miricle 307K (17dc:0202) camera reports a 16-bit greyscale format,
support it in the driver.
Signed-off-by: NLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

vivi uses find_font(), which is only available when FONTS
is enabled, so make vivi depend on FONTS.

ERROR: "find_font" [drivers/media/video/vivi.ko] undefined!
Signed-off-by: NRandy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

[dougsland@redhat.com: Fixed cards numbers reject due changes in saa7134.h]
Signed-off-by: NBeholder Intl. Ltd. Dmitry Belimov <d.belimov@gmail.com>
Signed-off-by: NDouglas Schilling Landgraf <dougsland@redhat.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Set correct GPIO number for BEHOLD_WANDER/VOYAGER
Add xc5000 callback function
Small rework tm6000_cards_setup function
Small rework tm6000_config_tuner, build mode_mask by config information
Rework for support xc5000 silicon tuner
Add some information messages for more better understand an errors.

[mchehab@redhat.com: Fix CodingStyle and merge conflicts]
Signed-off-by: NBeholder Intl. Ltd. Dmitry Belimov <d.belimov@gmail.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

According to the V4L2 specification, poll() should set POLLOUT | POLLWRNORM
flags for output devices after the frame has been displayed.
Signed-off-by: NPawel Osciak <p.osciak@samsung.com>
Reviewed-by: NKyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: NHans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

videobuf_pages_to_sg() and videobuf_vmalloc_to_sg() happen to create
a scatterlist element for every page.  However, this is not true for
bus addresses, so other functions shouldn't rely on the length of the
scatter list being equal to nr_pages.
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

videobuf-core checks if .sync ops is defined before calling.

So, we don't need a do-nothing function.
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

While analyzing one of the videobuf patches, I noticed that
videobuf_dma_sync is only used internally inside videobuf-dma-sg.
So, let's remove this function, merging the code at __videobuf_dma_sync()
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Add documentation for V4L2_BUF_FLAG_ERROR.
Signed-off-by: NPawel Osciak <p.osciak@samsung.com>
Signed-off-by: NKyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

For recoverable stream errors dqbuf() now returns 0 and the error flag
is set instead of returning EIO.
Signed-off-by: NHans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

This flag is intended to indicate streaming errors, which might have
resulted in corrupted video data in the buffer, but the buffer can still
be reused and streaming may continue.

Setting this flag and returning 0 is different from returning EIO. The
latter should now indicate more serious (unrecoverable) errors.

This patch also solves a problem with the ioctl handling code in
vl42-ioctl.c, which does not copy buffer identification data back to the
userspace when EIO is returned, so there is no way for applications
to discover on which buffer the operation failed in such cases.
Signed-off-by: NPawel Osciak <p.osciak@samsung.com>
Signed-off-by: NKyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Signed-off-by: NRicardo Maraschini <ricardo.maraschini@gmail.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

This is a patch to the cx25821-i2c.c file that fixes warning and errors found by checkpatch.pl tool

[mchehab@redhat.com: fix conflicts with changeset 2587a7ef7b8bc3c7db7c43659297b45b168922ab]
Signed-off-by: sai<tsg321@gmail.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

This patch fixes all the coding style issues reported by checkpatch.pl tool
Signed-off-by: Nsai <tsg321@gmail.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

This is a patch to cx25821-alsa.c file that fixes of most of the
warning & errors found by checkpatch.pl tool

[mchehab@redhat.com: Fix conflicts with changeset 4e0c923a0d23f86c7331b32bc2aeb280e10e029e]
Signed-off-by: Nsai gopal <tsg321@gmail.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Stanse found that in gp8psk_load_bcm4500fw there is missing a check for
return value of kmalloc. Add one and bail out appropriatelly.
Signed-off-by: NJiri Slaby <jslaby@suse.cz>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

This patch reduces static stack usage of one of the 2 top offenders
as listed by 'make checkstack':

Building with CONFIG_FRAME_WARN=2048 produces:

drivers/media/dvb/frontends/dib3000mc.c:853: warning: the frame size of 2224 bytes is larger than 2048 bytes

and in 'make checkstack', the stack usage goes from:
0x00000bbd dib3000mc_i2c_enumeration [dib3000mc]:	2232
to unlisted with this patch.

I don't have the hardware that is needed to test this patch.
Signed-off-by: NRandy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Acked-by: NPatrick Boettcher <pboettcher@kernellabs.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

This patch reduces static stack usage of one of the 2 top offenders
as listed by 'make checkstack':

Building with CONFIG_FRAME_WARN=2048 produces:

drivers/media/dvb/frontends/dib7000p.c:1367: warning: the frame size of 2320 bytes is larger than 2048 bytes

and in 'make checkstack', the stack usage goes from:
0x00002409 dib7000p_i2c_enumeration [dib7000p]:		2328
to unlisted with this patch.

Also change one caller of dib7000p_i2c_enumeration() to check its
return value.

I don't have the hardware that is needed to test this patch.
Signed-off-by: NRandy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

This patch introduces support for DVB-T for the following dibcom
based card: Elgato EyeTV Diversity (USB-ID: 0fd9:0011)

Support for the Elgato silver IR remote is added too (set parameter
dvb_usb_dib0700_ir_proto=0)

[w.sang@pengutronix.de: rebased to current linuxtv-master]
Signed-off-by: NMichael Müller <mueller_michael@alice-dsl.net>
Signed-off-by: NWolfram Sang <w.sang@pengutronix.de>
Signed-off-by: NPatrick Boettcher <pboettcher@kernellabs.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

I have 3 IVC-200 cards (with 4 video channels on each).

2 of the cards identify theirselves as 000[0-3]:a155 (ids already in
cardlist) and another one identifies itself as 080[0-3]:a155, which ids
were unknown so far.

Note - it's IVC-200, not IVC-200G.
Signed-off-by: NKirill Smelkov <kirr@mns.spb.ru>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

This patch retrieve the correct mac address from the eeprom for TeVii
S470 card.
Signed-off-by: NPierre Gronlier <pierre.gronlier@gmail.com>
Cc: Steven Toth <stoth@kernellabs.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Serialize DVB initialization, to avoid it to happen while analog
initialization is still happening.
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

In cx88-mpeg.c, there is code that sets core->input to CX88_VMUX_DVB.
However, this may be incorrect, since core->input is actually an
index to core->board.input[], which has not enough elements to be
indexed by the value of CX88_VMUX_DVB. So, the modified code searches
core->board.input[] for an input with a type of CX88_VMUX_DVB, and if
it does not find one, the index is simply set to zero.
The change may not have much effect, though, since it appears the only
case when core->input is actually used is when the current input is
being queried.
Signed-off-by: NIstvan Varga <istvanv@users.sourceforge.net>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Simplified from version 1, in that hacks heisted from ati_remote2.c
aren't actually necessary, the real fix for too many repeats was
from setting too long a timer release value (200ms) on repeats in
mce mode -- this patch drops the release timeout to 33ms, matching
the input subsystem default input_dev->rep[REP_PERIOD].
Signed-off-by: NJarod Wilson <jarod@redhat.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

This is a follow-up to my prior patch implementing ir-core's
change_protocol functionality in the imon driver, which eliminates
a false warning when change_protocol is called without a specific
protocol selected yet (i.e., still IR_TYPE_UNKNOWN). It also removes
some extraneous blank lines getting spewn into dmesg.
Signed-off-by: NJarod Wilson <jarod@redhat.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Convert drivers/media/video/cx231xx/cx231xx-input.c to not
rely on ir-functions.c.

(I do not have the hardware so I can only compile test this)
Signed-off-by: NDavid Härdeman <david@hardeman.nu>
Cc: Srinivasa Deevi <srinivasa.deevi@conexant.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Pulse-distance is not a protocol, it is a line coding (used by some protocols,
like NEC). Looking at the uses of IR_TYPE_PD, the real protocol seems to be
NEC in all cases (drivers/media/video/cx88/cx88-input.c is the only user).

So, remove IR_TYPE_PD while it is still easy to do so.
Signed-off-by: NDavid Härdeman <david@hardeman.nu>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Drop the imon driver's internal protocol definitions in favor of using
those provided by ir-core. Should make ir-keytable Just Work for
switching protocol on the fly on the imon devices that support both the
native imon remotes and mce remotes.

The imon-no-pad-stabilize pseudo-protocol was dropped as a protocol, and
converted to a separate modprobe option (which it probably should have
been in the first place). On the TODO list is to convert this to an as yet
unwritten protocol-specific options framework.

While the mce remotes obviously map to IR_TYPE_RC6, I've yet to look at
what the actual ir signals from the native imon remotes are, so for the
moment, imon native ir is mapped to IR_TYPE_OTHER. Nailing it down more
accurately is also on the TODO list.
Signed-off-by: NJarod Wilson <jarod@redhat.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Signed-off-by: NLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: NSakari Ailus <sakari.ailus@maxwell.research.nokia.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

spin_is_locked() always returns zero when spinlock debugging is
disabled on a single CPU machine. Replace WARN_ON() with
assert_spin_locked().

Thanks to Laurent Pinchart for spotting this!
Signed-off-by: NSakari Ailus <sakari.ailus@maxwell.research.nokia.com>
Acked-by: NLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Randy Dunlap <randy.dunlap@oracle.com>  reported a breakage while compiling
drivers/staging/tm6000, due to this change:
    commit 1c1b78bee1a94f98deeb9c24b21c4812e191646c
    Author: Greg Kroah-Hartman <gregkh@suse.de>
    Date:   Thu Apr 29 15:46:07 2010 -0700

    USB: remove unused usb_buffer_alloc and usb_buffer_free macros

    Now that all callers are converted over, remove the compatibility
    functions and all is good.

As the function got renamed, the rename should also be applied at
tm6000.
Acked-by: NRandy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

The values for the fourcc format were correct, but applied to the
wrong register. With this change, video is now barely working again with
tm6000.

While here, let's remove, for now, the memset. This way, people can
have some image when testing this device.

Yet to be fixed: parts of the image frame are missed. As we don't clean
the buffers anymore, this is "recovered" by repeating the values from a
previous frame. The quality is bad, since the image pixels will contain
data from some previous frames, generating weird delay artifacts.
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

fix coding style issues

[mchehab@redhat.com: Fix conflicts with other patches]
Signed-off-by: NRoel Van Nyen <roel.vannyen@gmail.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

renaming tm6000-xc3028.fw to xc3028-v24.fw
Signed-off-by: NStefan Ringel <stefan.ringel@arcor.de>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

- change values in function tm6000_set_fourcc_format
- disable digital source
- add vbi and audio init
Signed-off-by: NStefan Ringel <stefan.ringel@arcor.de>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

tm6000 tm6000_irq_callback :urb resubmit failed (error=-1)
BUG: unable to handle kernel paging request at 000000000100f700
IP: [<ffffffffa007ee79>] tm6000_irq_callback+0x51e/0xac7 [tm6000]

(gdb) list * tm6000_irq_callback+0x51e
0x2e79 is in tm6000_irq_callback (drivers/staging/tm6000/tm6000-video.c:363).
358                                             dev->isoc_ctl.tmp_buf_len--;
359                                     }
360                                     if (dev->isoc_ctl.tmp_buf_len) {
361                                             memcpy (&header,p,
362                                                     dev->isoc_ctl.tmp_buf_l$
363                                             memcpy (((u8 *)header)+
364                                                     dev->isoc_ctl.tmp_buf,
365                                                     ptr,
366                                                     4-dev->isoc_ctl.tmp_buf$
367                                             ptr+=4-dev->isoc_ctl.tmp_buf_le$
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>