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There is request_irq() in init_device(), but the interrupt is not removed
on failure paths. The patch adds proper error handling.
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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That tuner driver is mainly for DVB API, but there is some V4L2 API
controls for SDR usage. Make driver compile conditional so that V4L2
is not mandatory. Without the V4L2 support driver is build as a DVB
only, without SDR controls.
Fixes following errors reported by kbuild test robot:
ERROR: "v4l2_ctrl_auto_cluster" [drivers/media/tuners/e4000.ko] undefined!
ERROR: "v4l2_ctrl_new_std" [drivers/media/tuners/e4000.ko] undefined!
ERROR: "v4l2_ctrl_handler_init_class" [drivers/media/tuners/e4000.ko] undefined!
ERROR: "v4l2_ctrl_handler_free" [drivers/media/tuners/e4000.ko] undefined!
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Cc: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Exporting functions for hardware filter is a bad idea, as it
breaks compilation if:
CONFIG_DVB_USB_AF9035=y
CONFIG_DVB_AF9033=m
Because the PID filter function calls would be hardcoded at
af9035.
The same doesn't happen with af9033_attach() because the
dvb_attach() doesn't hardcode it. Instead, it dynamically
links it at runtime.
However, calling dvb_attach() multiple times is problematic,
as it increments module kref.
So, the better is to pass one parameter for the af9033 module
to fill the hardware filters, and then use it inside af9035.
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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PID filters are property of af9033 demod. Use PID filters from af9033
driver as it provides those now.
Allow possible dual mode on USB 1.1 mode too as bandwidth could be
just enough when filters are used on both frontends.
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Implement PID filter and export it via symbol.
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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All error/warnings:
drivers/built-in.o: In function `e4000_set_params':
>> e4000.c:(.text+0x1219a1b): undefined reference to `__umoddi3'
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Add a video capture node for the FIMC-IS ISP IP block. The Exynos4x12
FIMC-IS ISP IP block has 2 DMA interfaces that allow to capture raw
Bayer and YUV data to memory. Currently only the DMA2 output is and
raw Bayer data capture is supported.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Add support for registering external sensor subdevs using
v4l2-async API. The async API is used only for sensor subdevs
and only for booting from DT.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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This patch adds clock provider so the the SCLK_CAM0/1 output clocks
can be accessed by image sensor devices through the clk API.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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This patch removes the common fimc-is-sensor driver for image sensors
that are normally controlled by the FIMC-IS firmware. The FIMC-IS
driver now contains only a table of properties specific to each sensor.
The sensor properties required for the ISP's firmware are parsed from
device tree and retrieved from the internal table, which is selected
based on the compatible property of an image sensor.
To use the Exynos4x12 internal ISP the S5K6A3 sensor driver (drivers/
media/i2c/s5k6a3.c) is now required.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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This patch adds the V4L2 asynchronous subdev registration and
device tree support. Common clock API is used to control the
sensor master clock from within the subdev.
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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This patch adds subdev driver for Samsung S5K6A3 raw image sensor.
As it is intended at the moment to be used only with the Exynos
FIMC-IS (camera ISP) subsystem it is pretty minimal subdev driver.
It doesn't do any I2C communication since the sensor is controlled
by the ISP and its own firmware.
This driver, if needed, can be updated in future into a regular
subdev driver where the main CPU communicates with the sensor
directly.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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In all cases, when the first capture is called, we need to
call the code that unmutes the volume.
Signed-off-by: Frank Schäfer <fschaefer.oss@googlemail.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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The calculated values for the minlen and maxlen fields, which were
rounded to multiples of 2 and clamped to a valid range, were left
unused. Use them in the calculation of the register value rather than
using the raw input minlen and maxlen.
This fixes the following warning with a W=1 build:
drivers/media/rc/img-ir/img-ir-hw.c In function ‘img_ir_free_timing’:
drivers/media/rc/img-ir/img-ir-hw.c +228 :23: warning: variable ‘maxlen’ set but not used [-Wunused-but-set-variable]
drivers/media/rc/img-ir/img-ir-hw.c +228 :15: warning: variable ‘minlen’ set but not used [-Wunused-but-set-variable]
Reported-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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The JVC timings included timings intended for the secondary decoder
(which matches messages with no leader), however they were in the wrong
part of the timings structure, repeating s00 and s01 rather than being
in s10 and s11.
Distinct repeat timings can't be properly supported yet for JVC anyway
since the scancode callback cannot determine which decoder matched the
message, so for now remove these timings and don't bother to enable the
secondary decoder.
This fixes the following warnings with W=1:
drivers/media/rc/img-ir/img-ir-jvc.c +76 :3: warning: initialized field overwritten [-Woverride-init]
drivers/media/rc/img-ir/img-ir-jvc.c +76 :3: warning: (near initialization for ‘img_ir_jvc.timings.s00’) [-Woverride-init]
drivers/media/rc/img-ir/img-ir-jvc.c +81 :3: warning: initialized field overwritten [-Woverride-init]
drivers/media/rc/img-ir/img-ir-jvc.c +81 :3: warning: (near initialization for ‘img_ir_jvc.timings.s01’) [-Woverride-init]
Reported-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Fix a coccicheck warning in img-ir driver:
drivers/media/rc/img-ir/img-ir-hw.c:500:2-3: Unneeded semicolon
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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this patch fixes following build warning
drivers/media/platform/davinci/vpbe_display.c: In function 'vpbe_start_streaming':
drivers/media/platform/davinci/vpbe_display.c:344: warning: unused variable 'vpbe_dev'
Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Rename some variables.
Change error status checks from (ret < 0) to (ret).
No actual functionality changes.
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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That comes possible after driver was converted to kernel I2C model
(I2C binding & proper I2C client with no gate control hack). All
nasty low level I2C routines are now covered by regmap.
Cc: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Gate control is now implemented by rtl2832 I2C adapter so we do not
need proprietary DVB i2c_gate_ctrl() anymore.
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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RTL2832 driver provides muxed I2C adapters for tuner bus I2C gate
control. Pass those adapters to rtl2832_sdr and e4000 modules in order
to get rid of proprietary DVB .i2c_gate_ctrl() callback use.
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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We need depend on I2C_MUX as rtl2832 demod used requires it.
All error/warnings:
warning: (DVB_USB_RTL28XXU) selects DVB_RTL2832 which has unmet direct dependencies (MEDIA_SUPPORT && DVB_CORE && I2C && I2C_MUX)
ERROR: "i2c_add_mux_adapter" [drivers/media/dvb-frontends/rtl2832.ko] undefined!
ERROR: "i2c_del_mux_adapter" [drivers/media/dvb-frontends/rtl2832.ko] undefined!
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Use break, not return, for every case.
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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With that extension module it supports SDR.
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Optimize a little bit from data to text.
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Implement PLL lock control to get PLL lock flag status from tuner
synthesizer.
Cc: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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There was 32-bit overflow on VCO frequency calculation which blocks
tuning to 1073 - 1104 MHz. Use 64 bit number in order to avoid VCO
frequency overflow.
After that fix device in question tunes to following range:
60 - 1104 MHz
1250 - 2207 MHz
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Implement gain and bandwidth controls using v4l2 control framework.
Cc: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Driver conversion from proprietary DVB tuner model to more
general I2C driver model.
Cc: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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rc_map_get() takes a single string literal for the module to load,
so make sure it cannot be used as a format string in the call to
request_module().
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Rename v4l2_format_sdr to v4l2_sdr_format in order to keep it in
line with other formats.
Reported-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Add volatile boolean control to indicate if tuner frequency synthesizer
is locked to requested frequency. That means tuner is able to receive
given frequency. Control is named as "PLL lock", since frequency
synthesizers are based of phase-locked-loop. Maybe more general name
could be wise still?
Cc: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Modern silicon RF tuners has one or more adjustable filters on
signal path, in order to filter noise from desired radio channel.
Add channel bandwidth control to tell the driver which is radio
channel width we want receive. Filters could be then adjusted by
the driver or hardware, using RF frequency and channel bandwidth
as a base of filter calculations.
On automatic mode (normal mode), bandwidth is calculated from sampling
rate or tuning info got from userspace. That new control gives
possibility to set manual mode and let user have more control for
filters.
Cc: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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0458:707f KYE Systems Corp. (Mouse Systems) TVGo DVB-T03 [RTL2832]
The USB dongle uses RTL2832U demodulator and FC0012 tuner.
Signed-off-by: Jan Vcelak <jv@fcelda.cz>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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The "Renesas Corporation" listed in the copyright notice doesn't exist.
Replace it with "Renesas Electronics Corporation" and update the
copyright years.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Check if index is within bounds _before_ accessing the value.
Signed-off-by: Ole Ernst <olebowle@gmx.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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It was possible that tuner_frequency variable, used for carrier offset
compensation, was uninitialized. That happens when tuner
.get_frequency() callback is not defined.
Currently that case is not possible as only used tuner has this callback.
Coverity CID 1166057: Uninitialized scalar variable (UNINIT)
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Coverity CID 1166051: Logically dead code (DEADCODE)
TS clock calculation could be more accurate, but as it is not,
remove those unused clock speeds.
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Coverity CID 1166050: Dead default in switch (DEADCODE)
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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While playing with make coccicheck I noticed this message:
drivers/media/rc/rc-main.c:1245:3-9: preceding lock on line 1238
It was introduced by commit 587d1b06e07b ([media] rc-core: reuse device
numbers) which returns -ENOMEM after a mutex_lock without first
unlocking it when there are no more device numbers left. The added code
doesn't depend on the device lock, so move it before the lock is taken.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Static checkers complain about the inconsistent NULL check here.
There is an unchecked dereference of "input->fe" in the call to
tuner_attach_tda18271() and there is a second unchecked dereference a
couple lines later when we do:
input->fe2->tuner_priv = input->fe->tuner_priv;
But actually "intput->fe" can't be NULL because if demod_attach_drxk()
fails to allocate it, then we would have return an error code.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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ARRAY_SIZE(buf) (8 elements) was intended instead of sizeof(buf) (16
bytes). But this is just a sanity check and the callers always pass
valid values so this doesn't cause a problem.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Add an img-ir module for decoding the Sanyo infrared protocol.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Add an img-ir module for decoding the Sharp infrared protocol.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Add an img-ir module for decoding the Sony infrared protocol.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Add an img-ir module for decoding the JVC infrared protocol.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Add an img-ir module for decoding the NEC and extended NEC infrared
protocols.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Add ImgTec IR decoder driver to the build system.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Add remote control input driver for the ImgTec Infrared block hardware
decoder, which is set up with timings for a specific protocol and
supports mask/value filtering and wake events.
The hardware decoder timing values, raw data to scan code conversion
function and scan code filter to raw data filter conversion function
will be provided in separate files for each protocol which this part of
the driver can use. The new generic scan code filter interface is made
use of to reduce interrupts and control wake events.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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