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If ioctl is called, it cannot be a case of invalid system call
number (ENOSYS), that is a ENOTTY case which means that the
device doesn't support that specific ioctl command.
So, replace ENOSYS with ENOTTY.
Signed-off-by: Andi Shyti <andi.shyti@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
When comparing a variable with a constant, the comparison should
start from the variable and not from the constant. It's also
written in the human DNA.
Swap the terms of comparisons whenever the constant comes first
and fix the following checkpatch warning:
WARNING: Comparisons should place the constant on the right side of the test
Signed-off-by: Andi Shyti <andi.shyti@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
The three if statements check the same thing, merge them in only
one statement.
Signed-off-by: Andi Shyti <andi.shyti@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
There are two if ... else which check the same thing in different
part of the code, they can be merged in a single check.
Signed-off-by: Andi Shyti <andi.shyti@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
The whole function is inside an 'if' statement
("if (ir->d.add_to_buf)").
Check the opposite of that statement at the beginning and exit,
this way we can have one level less of indentation.
Signed-off-by: Andi Shyti <andi.shyti@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
The code can be rearranged so that some goto paths can be removed
Signed-off-by: Andi Shyti <andi.shyti@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This patch mutes also all the checkpatch warnings related to
printk.
Reword all the printouts so that the string doesn't need to be
split, which fixes the following checkpatch warning:
WARNING: quoted string split across lines
Signed-off-by: Andi Shyti <andi.shyti@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Transmitters don't necessarily need to have a FIFO managed buffer
for their transfers.
When registering the driver, before allocating the buffer, check
whether the device is a transmitter or receiver. Allocate the
buffer only for receivers.
Signed-off-by: Andi Shyti <andi.shyti@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
During the driver registration, move the buffer allocation on a
separate function.
Signed-off-by: Andi Shyti <andi.shyti@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
The newly added FCP support in the vsp1 driver causes a link error
when CONFIG_RENESAS_FCP=m, since it's not reachable by built-in code:
drivers/media/built-in.o: In function `vsp1_remove':
:(.text+0xdeca0): undefined reference to `rcar_fcp_put'
drivers/media/built-in.o: In function `vsp1_probe':
:(.text+0xdef44): undefined reference to `rcar_fcp_get'
We already have a conditional dependency on FCP that requires
it for ARM64, so for all others we just have to prevent setting
RENESAS_VSP1=y when RENESAS_FCP=m by extending the FCP dependency.
Fixes: 94fcdf829793 ("[media] v4l: vsp1: Add FCP support")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Building without CONFIG_PM results in a harmless warning from
slightly incorrect #ifdef guards:
drivers/media/platform/vsp1/vsp1_drv.c:525:12: error: 'vsp1_pm_runtime_resume' defined but not used [-Werror=unused-function]
drivers/media/platform/vsp1/vsp1_drv.c:516:12: error: 'vsp1_pm_runtime_suspend' defined but not used [-Werror=unused-function]
This removes the existing #ifdef and instead marks all four
PM functions as __maybe_unused.
Fixes: 1e6af546ee66 ("[media] v4l: vsp1: Implement runtime PM support")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
* topic/vsp1: (36 commits)
[media] v4l: vsp1: wpf: Add flipping support
[media] v4l: vsp1: rwpf: Support runtime modification of controls
[media] v4l: vsp1: Simplify alpha propagation
[media] v4l: vsp1: clu: Support runtime modification of controls
[media] v4l: vsp1: lut: Support runtime modification of controls
[media] v4l: vsp1: Support runtime modification of controls
[media] v4l: vsp1: Add Cubic Look Up Table (CLU) support
[media] v4l: vsp1: lut: Expose configuration through a control
[media] v4l: vsp1: lut: Initialize the mutex
[media] v4l: vsp1: dl: Don't free fragments with interrupts disabled
[media] v4l: vsp1: Set entities functions
[media] v4l: vsp1: Don't create LIF entity when the userspace API is enabled
[media] v4l: vsp1: Don't register media device when userspace API is disabled
[media] v4l: vsp1: Base link creation on availability of entities
[media] media: Add video statistics computation functions
[media] media: Add video processing entity functions
[media] v4l: vsp1: sru: Fix intensity control ID
[media] v4l: vsp1: Stop the pipeline upon the first STREAMOFF
[media] v4l: vsp1: Constify operation structures
[media] v4l: vsp1: pipe: Fix typo in comment
...
Now that the frame rate can be properly set, this commit adds support
for S_PARM and G_PARM.
Signed-off-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Instead of using two tables to estimate the temporal decimation
factor, use a formula. This allows to get the closest fps, which
sounds better than the current tables.
Also, the current code doesn't store the real framerate.
This patch fixes the above issues.
[Ezequiel:
- introduce a TW686X_MAX_FPS macro for max_fps.
- use hweight_long instead of open coding the set bits count.]
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Signed-off-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
My static checker complains that if adap->props.num_frontends is 0 then
"ret" is uninitialized. I don't think that can happen. But "ret" is
always zero here so we can just remove the condition.
This extra check was added in commit 0d3ab8410dcb ('[media] dvb core:
must check dvb_create_media_graph()').
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
trivial fix to spelling mistake in dev_err message
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Abylay Ospan <aospan@netup.ru>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Add the USB ID for Terratec Cinergy S2 Rev.3 (0ccd:0102).
Curiously dvb-usb-ids included already the USB ID for TERRATEC_CINERGY_S2_R3 even if the device was not supported.
Reported-by: Christian Knippel <namerp@googlemail.com>
Signed-off-by: Olli Salonen <olli.salonen@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Tuning a card with Sony ASCOT2E produces the following error:
kernel: i2c i2c-9: wr reg=0006: len=11 is too big!
MAX_WRITE_REGSIZE is defined as 10, buf[MAX_WRITE_REGSIZE + 1] buffer is
used in ascot2e_write_regs().
The problem is that exactly 10 bytes are written in ascot2e_set_params():
/* Set BW_OFFSET (0x0F) value from parameter table */
data[9] = ascot2e_sett[tv_system].bw_offset;
ascot2e_write_regs(priv, 0x06, data, 10);
The test in write_regs is as follows:
if (len + 1 >= sizeof(buf))
10 + 1 = 11 and that would be exactly the size of buf. Since 10 bytes +
buf[0] = reg would seem to fit into buf[], this shouldn't be an error.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
There is a error message within devm_ioremap_resource
already, so remove the dev_err call to avoid redundant
error message.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Reviewed-by: Tiffany Lin <tiffany.lin@mediatek.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
In case of error, the function devm_clk_get() returns ERR_PTR()
and not returns NULL. The NULL test in the return value check
should be replaced with IS_ERR().
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
There is a error message within devm_ioremap_resource
already, so remove the dev_err call to avoid redundant
error message.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
In case of error, the function devm_clk_get() returns ERR_PTR()
and not returns NULL. The NULL test in the return value check
should be replaced with IS_ERR().
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Merge tag 'media/v4.7-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media fixes from Mauro Carvalho Chehab:
"Two regression fixes:
- a regression when handling VIDIOC_CROPCAP at the media core;
- a regression at adv7604 that was ignoring pad number in subdev ops"
* tag 'media/v4.7-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
[media] adv7604: Don't ignore pad number in subdev DV timings pad operations
[media] v4l2-ioctl: fix stupid mistake in cropcap condition
The DW2102 DVB-S/S2 driver uses the info() logging function from
dvb-usb.h. This function already appends a newline to the provided log
message, causing the dmesg output from DW2102 to include blank lines.
Fix this by removing the newline in the calls to info().
Signed-off-by: Jonathan McDowell <noodles@earth.li>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
We have assigned memory while requesting the firmware but if the sanity
check fails then we are not releasing the firmware.
Signed-off-by: Sudip Mukherjee <sudip.mukherjee@codethink.co.uk>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Add support fo the Hauppauge WinTV quadHD DVB version.
IR support has not been provided, all 4 tuners, demodulators etc are working.
Further documentation can be found on Linux TV wiki.
Signed-off-by: Stephen Backway <stev391@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Correctly set the h/vsync polarities instead of keeping to the
default (positive).
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This field should be zeroed. Both for s_dv_timings and for enum_dv_timings.
In fact, for the latter anything after the pad field can be zeroed.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
The adv7604/adv7842 drivers now handle that register setting themselves
and need no input from platform data anymore.
This was a left-over from the time that the pixelport output format was
decided by the platform data.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Cc: Scott Jiang <scott.jiang.linux@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Fix a number of bugs that appeared when support for mediabus formats was
added:
- Support for V4L2_DV_RGB_RANGE_FULL/LIMITED should only be enabled
for HDMI RGB formats, not for YCbCr formats. Since, as the name
says, this setting is for RGB only. So read the InfoFrame to check
the format.
- the quantization range for the pixelport depends on whether the
mediabus code is RGB or not: if it is RGB, then produce full range
RGB values, otherwise produce limited range YCbCr values.
This means that the op_656_range and alt_data_sat fields of the
platform data are no longer used and these will be removed in a
following patch.
- when setting up a new format the RGB quantization range settings
were never updated. Do so, since this depends on the format.
- fix the log_status output which was confusing and incorrect.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Commit 1fb69bfd29e4b2e5e93922105326dd6cbd5ef6eb (adv7511: improve
colorspace handling) introduced a number of bugs, specifically with
regards to YCbCr output and quantization range handling:
- if the output is not RGB, then disable the full-to-limited range
CSC matrix since that is meant for RGB formats. YCbCr formats are
always limited range, so there is nothing to convert. (OK, full
range YCbCr is possible, but we don't support that right now).
- the mediabus code that was passed to adv7511_set_fmt was always cleared
by the memset in adv7511_fill_format. This made it effectively impossible
to select YCbCr output.
- adv7511_set_fmt never updated the rgb quantization range.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
The IT Content bit has nothing to do with CE vs IT timings.
Delete this code. This will also fix a bug where this could
override the 'content type' control, which is actually the
correct place to set/clear the ITC bit.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Fix two warnings:
af9033.c: In function 'af9033_read_status':
af9033.c:883:25: warning: 'snr_lut' may be used uninitialized in this function [-Wmaybe-uninitialized]
const struct val_snr *snr_lut;
^
af9033.c:952:25: warning: 'tmp' may be used uninitialized in this function [-Wmaybe-uninitialized]
c->cnr.stat[0].svalue = tmp;
^
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
In practice, devices sometimes return frames larger than current buffer
size, leading to failure in solo_send_desc().
It is not clear which minimal increase in buffer size would be enough,
so this patch doubles it, this should be safely assumed as sufficient.
Signed-off-by: Andrey Utkin <andrey.utkin@corp.bluecherry.net>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
When disconnecting the usbtv device, the sound card is unregistered
from ALSA and the snd member of the usbtv struct is set to NULL. If
the usbtv snd_trigger work is running, this can cause a race condition
where the kernel will attempt to access free'd resources, shown in
[1].
This patch fixes the disconnection code by cancelling any snd_trigger
work before unregistering the sound card from ALSA and checking that
the snd member still exists in the work function.
[1]:
usb 3-1.2: USB disconnect, device number 6
BUG: unable to handle kernel NULL pointer dereference at 0000000000000008
IP: [<ffffffff81093850>] process_one_work+0x30/0x480
PGD 405bbf067 PUD 405bbe067 PMD 0
Call Trace:
[<ffffffff81093ce8>] worker_thread+0x48/0x4e0
[<ffffffff81093ca0>] ? process_one_work+0x480/0x480
[<ffffffff81093ca0>] ? process_one_work+0x480/0x480
[<ffffffff81099998>] kthread+0xd8/0xf0
[<ffffffff815c73c2>] ret_from_fork+0x22/0x40
[<ffffffff810998c0>] ? kthread_worker_fn+0x170/0x170
---[ end trace 0f3dac5c1a38e610 ]---
Signed-off-by: Matthew Leach <matthew@mattleach.net>
Tested-by: Peter Sutton <foxxy@foxdogstudios.com>
Cc: stable@vger.kernel.org
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
The vivid driver didn't set the V4L2_CAP_TIMEPERFRAME flag in s_parm for the
non-webcam inputs. This caused a v4l2-compliance fail.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This patch fix sparse warning when running with parameters:
C=2 CF="-D__CHECK_ENDIAN__"
Signed-off-by: Tiffany Lin <tiffany.lin@mediatek.com>
Signed-off-by: PoChun Lin <pochun.lin@mediatek.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c:433:3-8: No need to set .owner here. The core will do it.
Remove .owner field if calls are used which set it automatically
Generated by: scripts/coccinelle/api/platform_no_drv_owner.cocci
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
These are no longer used (finally!), so remove them.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Nobody is using these ops anymore, so remove these callbacks from
the subdev drivers that still have them.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Cc: Andy Walls <awalls@md.metrocast.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
These ops are deprecated and should not be used anymore.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Cc: Andy Walls <awalls@md.metrocast.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
These ops are deprecated and should not be used anymore.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Cc: Andy Walls <awalls@md.metrocast.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
These ops are deprecated and should not be used anymore (and in fact
they are not used at all).
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Cc: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This op is deprecated and should not be used anymore.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This op is deprecated and should not be used anymore.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This op is deprecated and should not be used anymore.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This op is deprecated and should not be used anymore.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
