The clips pointer is a userspace pointer, not a kernelspace pointer,
so you can't dereference the clips pointer.
Also add a few missing commas and newlines.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
The radio filter function that filters controls that are valid for a radio
device should also accept V4L2_CTRL_CLASS_FM_RX controls.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This fixes a NULL pointer deference when loading the cx88_dvb module for a
Hauppauge HVR4000.
The bugzilla bug report is here:
https://bugzilla.kernel.org/show_bug.cgi?id=56271
The cause is that the wm8775 is optional, so even though the board info says
there is one, it doesn't have to be there. Checking whether the module was
actually loaded is much safer.
Note that this driver is quite buggy when it comes to unloading and reloading
modules. Unloading cx8800 and reloading it again will still cause a crash,
most likely because either the i2c bus isn't unloaded at the right time and/or
the v4l2_device_unregister isn't called at the right time.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Reported-by: Sebastian Frei <sebastian@familie-frei.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
The "sysreg" clock is required by multiple subsystems and none of the
other drivers handles this clock explicitly. It is currently assumed
that this clock is always on, left in its default state after system
reset.
Remove handling of this clock from the FIMC-IS driver to avoid breaking
other subsystems.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
The FIMC-IS-ISP handles only Bayer formats thus V4L2_COLORSPACE_SRGB
should be used. This change applies to the code first added in v3.10.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Use clk_prepare_enable/clk_unprepare_disable instead of preparing the
clocks during the driver initalization and then using just clk_disable/
clk_enable. The clock framework doesn't guarantee a clock will not get
enabled during e.g. clk_set_parent if clk_prepare has been called on it.
So we ensure clk_prepare() is called only when it is safe to enable
the clocks, i.e. the parent clocks and the clocks' frequencies are set.
It must be ensured the FIMC-IS clocks have proper frequencies before they
are enabled, otherwise the whole system will hang.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Kyunmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Callback .start_streaming is called once for every queue,
so v4l2_ctrl_handler_setup was called twice during stream start.
Moving v4l2_ctrl_handler_setup to context initialization
reduces numbers of calls and seems to be more consistent with API.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This patch fixes a bug which caused overwriting h264 codec
parameters by mpeg4 parameters during V4L2 control setting.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
MFC uses two clocks - MFC gate clock and special clock
which is named as "sclk_mfc" in exynos4 and "aclk_333" in
exynos5 SoC. The driver was doing just a clk_prepare on
this special clock without a clk_enable call. As this
sclk is the parent of gate clock, it gets prepared and
enabled along with the gate clock. So there is no need
for the driver to use this sclk. This patch removes the
sclk usage from driver.
Signed-off-by: Arun Kumar K <arun.kk@samsung.com>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This patch fixes following compilation warning:
CC [M] drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.o
drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c:1733:12: warning: ‘s5p_mfc_get_decoded_status_v6’ defined but not used
It assigns existing but not used s5p_mfc_get_dec_status_v6() function to the
get_dec_status callback. It seems the get_dec_status callback is not used
anyway, as there is no corresponding s5p_mfc_hw_call().
Signed-off-by: Sylwester Nawrocki <sylvester.nawrocki@gmail.com>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
The v4l2_m2m_poll() does not need to wait if there is already a buffer in
done_list of source and destination queues, but current v4l2_m2m_poll() always
waits. So done_list of each queue is checked before calling poll_wait().
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Acked-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
The vb2_poll() does not need to wait next vb_buffer_done() if there is already
a buffer in done_list of queue, but current vb2_poll() always waits.
So done_list is checked before calling poll_wait().
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Acked-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
MFC v6 needs minimum number of output buffers to be queued
for encoder depending on the stream type and profile.
The patch modifies the driver so that encoding cannot be
started with lesser number of OUTPUT buffers than required.
This also fixes the crash happeninig during multi instance
encoder-decoder simultaneous run due to memory allocation
happening from interrupt context.
Signed-off-by: Arun Kumar K <arun.kk@samsung.com>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Current code uses is->config_index as array subscript, thus the valid value
range is 0 ... ARRAY_SIZE(cmd) - 1.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Current code uses fie->index as array subscript, thus the valid value range
is 0 ... ARRAY_SIZE(s5c73m3_intervals) - 1.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
'rotation' was an 8 bit variable and hence could not have values
greater than 255. Since we need higher values, change it to 16
bit type.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
When 'node' is NULL, the print statement tries to dereference it.
Hence replace the variable with the one that is accessible.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
It is not possible to select SND_SOC_SI476X if we have not also
enabled SND_SOC.
warning: (RADIO_SI476X) selects SND_SOC_SI476X which has unmet
direct dependencies (SOUND && !M68K && !UML && SND && SND_SOC)
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
[hans.verkuil@cisco.com: fixed wrong driver name in subject]
Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
The error path on failure was calling mutex_unlock(), but there was
no actuall call before for mutex_lock(). This patch fixes this issue
by pointing it to proper go label.
Reported-by: Jose Pablo Carballo <jose.carballo@ridgerun.com>
Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
For NV12 format, even if display data is single image,
both VIDWIN0 and VIDWIN1 parameters must be used. The start
address of Y data plane and C data plane is configured in
VIDEOWIN0ADH/L and VIDEOWIN1ADH/L respectively.
cuurently only one layer was requested, which is suffice
for yuv422, but for yuv420(NV12) two layers are required and
fix the same by requesting for other layer if pix fmt is NV12
during set_fmt.
Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
For some unknown reason we need to increase hstart by 1 on when using the
PAS202 on the sn9c103 (versus on the sn9c102), otherwise we get the wrong
colors, due to shifting of the bayer pattern.
Reported-by: Patrizio Bassi <patrizio.bassi@gmail.com>
Tested-by: Patrizio Bassi <patrizio.bassi@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
With all the changes to handle the locking in the v4l2-core rather then at
the driver level, the order in which the 2 pwc locks need to be taken has
changed, update the comment in the header file to correctly reflect this.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* patchwork: (831 commits)
[media] cx88: make core less verbose
[media] em28xx: fix oops at em28xx_dvb_bus_ctrl()
[media] s5c73m3: fix indentation of the help section in Kconfig
[media] cx25821-alsa: get rid of a __must_check warning
[media] cx25821-video: declare cx25821_vidioc_s_std as static
[media] cx25821-video: remove maxw from cx25821_vidioc_try_fmt_vid_cap
[media] r820t: Remove a warning for an unused value
[media] dib0090: Fix a warning at dib0090_set_EFUSE
[media] dib8000: fix a warning
[media] dib8000: Fix sub-channel range
[media] dib8000: store dtv_property_cache in a temp var
[media] dib8000: warning fix: declare internal functions as static
[media] r820t: quiet gcc warning on n_ring
[media] r820t: memory leak in release()
[media] r820t: precendence bug in r820t_xtal_check()
[media] videodev2.h: Remove the unused old V4L1 buffer types
[media] anysee: Grammar s/report the/report to/
[media] anysee: Initialize ret = 0 in anysee_frontend_attach()
[media] media: videobuf2: fix the length check for mmap
[media] em28xx: save isoc endpoint number for DVB only if endpoint has alt settings with xMaxPacketSize != 0
...
Conflicts:
drivers/media/pci/cx25821/cx25821-video.c
drivers/media/platform/Kconfig
Along the time, several debug messages were added at cx88-cards.
While those are still useful to track some troubles with
tuners, they're too verbose:
[ 5768.281801] cx88[0]: Calling XC2028/3028 callback
[ 5768.287388] cx88[0]: Calling XC2028/3028 callback
[ 5768.292575] cx88[0]: Calling XC2028/3028 callback
[ 5768.299408] cx88[0]: Calling XC2028/3028 callback
[ 5768.306244] cx88[0]: Calling XC2028/3028 callback
...
and, most of the time, useless.
So, disable them, except if core_debug modprobe parameter
is used.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Pull media fixes from Mauro Carvalho Chehab:
"Two driver fixes.
One avoids reading any file at a system with a cx25821 board
(fortunately, this is not a common device). The other one prevents
reading after a buffer with ISDB-T devices based on mb86a20s."
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
[media] cx25821: do not expose broken video output streams
[media] mb86a20s: Fix estimate_rate setting
The 'help' section of the Kconfig entry for this driver is missing
an extra alignment. That seems to violate what's stated at:
Documentation/kbuild/kconfig-language.txt
Even if it works, the better is to add 2 extra spaces there, as
this is the common practice and helps human reading of the file.
Also, the way it is, it breaks backport trees.
Signed-off-by: Gianluca Gennari <gennarone@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
The hole reason for __must_check is to not ignore an error.
However, a "ret" value is used at cx25821 just to avoid the
Kernel compilation to compain about it.
That, however, produces another warning (with W=1):
drivers/media/pci/cx25821/cx25821-alsa.c: In function 'cx25821_audio_fini':
drivers/media/pci/cx25821/cx25821-alsa.c:727:6: warning: variable 'ret' set but not used [-Wunused-but-set-variable]
With the current implementation of driver_for_each_device() and
cx25821_alsa_exit_callback(), there's actually just one
very unlikely condition where it will currently produce
an error: if driver_find() returns NULL.
Ok, there's not much that can be done, as it is on a driver's
function that returns void, but it can at least print some message
if the error happens.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Fixes the following warning:
drivers/media/pci/cx25821/cx25821-video.c: At top level:
drivers/media/pci/cx25821/cx25821-video.c:766:5: warning: no previous prototype for 'cx25821_vidioc_s_std' [-Wmissing-prototypes]
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
After cx25821-video cleanup, this var is not used anymore:
drivers/media/pci/cx25821/cx25821-video.c: In function 'cx25821_vidioc_try_fmt_vid_cap':
drivers/media/pci/cx25821/cx25821-video.c:591:15: warning: variable 'maxw' set but not used [-Wunused-but-set-variable]
as the code now checks the max width as the default case for the
range check.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Currently, the driver complains about the pre_detect var:
drivers/media/tuners/r820t.c: In function 'r820t_sysfreq_sel':
drivers/media/tuners/r820t.c:722:31: warning: variable 'pre_dect' set but not used [-Wunused-but-set-variable]
While rtl8232 code comments it, perhaps some other driver may use.
So, the better is to keep the code there, allowing to enable it
via r820t config data.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
The check if the values for c, h and n are within the range is
always true, as, if one of this values is out of range, the
previous "if" clauses will default to a value within the
range.
That fixes the following warning:
drivers/media/dvb-frontends/dib0090.c: In function 'dib0090_set_EFUSE':
drivers/media/dvb-frontends/dib0090.c:1545:5: warning: comparison is always true due to limited range of data type [-Wtype-limits]
and makes the code easier to read.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
drivers/media/dvb-frontends/dib8000.c: In function 'dib8000_wait_lock':
drivers/media/dvb-frontends/dib8000.c:3972:1: warning: 'value' may be used uninitialized in this function [-Wmaybe-uninitialized]
drivers/media/dvb-frontends/dib8000.c:2419:6: note: 'value' was declared here
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
isdbt_sb_subchannel is unsigned with 8 bits. So, it will
never be -1. Instead, any value bigger than 13 is invalid.
As is, the current code generates the following warnings:
drivers/media/dvb-frontends/dib8000.c: In function 'dib8000_set_isdbt_common_channel':
drivers/media/dvb-frontends/dib8000.c:2358:3: warning: comparison is always true due to limited range of data type [-Wtype-limits]
drivers/media/dvb-frontends/dib8000.c: In function 'dib8000_tune':
drivers/media/dvb-frontends/dib8000.c:3107:8: warning: comparison is always false due to limited range of data type [-Wtype-limits]
drivers/media/dvb-frontends/dib8000.c:3153:9: warning: comparison is always false due to limited range of data type [-Wtype-limits]
drivers/media/dvb-frontends/dib8000.c:3160:5: warning: comparison is always false
It should also be noticed that ARIB STD-B31, item
"3.15.6.8 Number of segments" at TMCC table defines the
value 15 for unused segment, and 14 as reserved.
So, better to change the check to consider any value
bigger than 13 to mean that sub-channels should be
disabled, fixing the warning and doing the right thing
even if an invalid value is filled by userspace.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
dtv_property_cache is used on several places on very long lines.
On all places it is used, a long list of struct reference is done.
Instead of doing it, at the routines where it is used more than once,
replace it by one temporary var. That may help the compiler to
use a better code. It also makes easier to review the code, as the
lines becomes closer to 80 columns, making them a way clearer
to read.
No functional changes.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
drivers/media/tuners/r820t.c: In function 'r820t_imr':
drivers/media/tuners/r820t.c:1871:8: warning: 'n_ring' may be used uninitialized in this function [-Wmaybe-uninitialized]
Mauro: This is a FALSE POSITIVE: the loop will always return a value
for n_ring, as the last test will fill it with 15, if the loop fails.
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
I've moved the kfree(fe->tuner_priv) one line earlier, otherwise it is
a no-op.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
The test as written is always false. It looks like the intent was to
test that the bit was not set.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
* topic/r820t: (31 commits)
[media] r820t: Don't divide the IF by two
[media] r820t: disable auto gain/VGA setting
[media] rtl2832: Fix IF calculus
[media] r820t: put it into automatic gain mode
[media] r820t: Fix hp_cor filter mask
[media] r820t: fix PLL calculus
[media] r820t: Don't put it in standby if not initialized yet
[media] r820t: avoid rewrite all regs when not needed
[media] r820t: Allow disabling IMR callibration
[media] r820t: add a commented code for GPIO
[media] r820t: add IMR calibrate code
[media] r820t: proper initialize the PLL register
[media] r820t: use usleep_range()
[media] r820t: fix prefix of the r820t_read() function
[media] r820t: split the function that read cached regs
[media] r820t: better report signal strength
[media] r820t: add support for diplexer
[media] r820t: Show the read data in the bit-reversed order
[media] r820t: use the second table for 7MHz
[media] r820t: Invert bits for read ops
...
