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That section is too outdated and got superseded by DVBv5 and
by libdvbv5.
Maybe some day we'll end adding updated examples there, but
while nobody has time or interest of doing that, just mention
that there and get rid of the current examples for good.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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That's the last DVB kAPI that misses documentation.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Now that we have kernel-doc markups at dvb_demux.h and dmxdev.h,
parse them.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Despite being used by DVB drivers, this header was not documented.
Document it.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The functions used on dvb_demux.h are largely used on DVB drivers.
Yet, none of them are documented.
No functional changes.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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There are three structs defined inside dvb_demux.h. None
of them are currently documented.
Add documentation for them.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Simplify the get property handling and move it to the existing
code at dtv_property_process_get() directly.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Since all properties in the func dtv_property_process_set() use
at most 4 bytes arguments, change the code to pass
u32 cmd and u32 data as function arguments, instead of passing a
pointer to the entire struct dtv_property *tvp.
Instead of having a generic dtv_property_dump(), added its own
properties debug logic in the dtv_property_process_set().
Signed-off-by: Satendra Singh Thakur <satendra.t@samsung.com>
Reviewed-by: Shuah Khan <shuahkh@osg.samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Document those two structs using kernel-doc markups.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Just like pes_type, this field represents an enum. Properly
identify it as such.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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This isn't used anywere. Get rid of it.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Instead of using an integer to represent it, use boolean,
as this better describes what this field really means.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The struct dvb_demux_filter.doneq is a boolean.
Mark it as such, as it helps to understand what it does.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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This field is not used. So, get rid of it.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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kernel-doc allows documenting enums. Also, it makes clearer
about the meaning of each field on structures.
So, convert DMX_STATE_* to an enum.
While here, get rid of the unused DMX_STATE_SET.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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kernel-doc allows documenting enums. Also, it makes clearer
about the meaning of each field on structures.
So, convert DMX_TYPE_* to an enum.
While here, get rid of the unused DMX_TYPE_PES.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Add a cross-reference to a mentioned structure and split
the kernel-doc stuff on a separate chapter.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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WARNING: 'algoritms' may be misspelled - perhaps 'algorithms'?
+responsible for tuning the device. It supports multiple algoritms to
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Instead of document all kAPI into a single file, split it
on multiple ones. That makes easier to maintain each part.
As a side effect, it will produce multiple html pages, with
is a good idea.
No changes at the text. Just some chapter levels changed.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Better document the DVB common parts by adding two sections
and an introductory text for each.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Several minor adjustments at the kernel-doc markups:
- some syntax fixes;
- some cross-references;
- add cross-references for the mentioned ioctls;
- some constants marked as such.
No functional changes.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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There are several functions at the dvbdev that are common to all
digital TV device nodes with aren't documented.
Add documentation for them. No functional changes.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Enums can be documented via kernel-doc. So, convert the
DVB_DEVICE_* macros to an enum.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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There are several problems with regards to the return of
FE_SET_PROPERTY. The original idea were to return per-property
return codes via tvp->result field, and to return an updated
set of values.
However, that never worked. What's actually implemented is:
- the FE_SET_PROPERTY implementation doesn't call .get_frontend
callback in order to get the actual parameters after return;
- the tvp->result field is only filled if there's no error.
So, it is always filled with zero;
- FE_SET_PROPERTY doesn't call memdup_user() nor any other
copy_to_user() function. So, any changes to the properties
will be lost;
- FE_SET_PROPERTY is declared as a write-only ioctl (IOW).
While we could fix the above, it could cause regressions.
So, let's just assume what the code really does, updating
the documentation accordingly and removing the logic that
would update the discarded tvp->result.
Reviewed-by: Shuah Khan <shuahkh@osg.samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Two readonly ioctls can't be allowed if the frontend device
is opened in read only mode. Explain why.
Reviewed by: Shuah Khan <shuahkh@osg.samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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There are too much tabs on several properties, for no good
reason. That sounds confusing while reading the struct, so
adjust them.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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In the past, I guess the idea was to use state in order to
allow an autofush logic. However, in the current code, it is
used only for debug messages, on a poor man's solution, as
there's already a debug message to indicate when the properties
got flushed.
So, just get rid of it for good.
Reviewed-by: Shuah Khan <shuahkg@osg.samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Currently, there are two handlers for ioctls:
- dvb_frontend_ioctl_properties()
- dvb_frontend_ioctl_legacy()
Despite their names, both handles non-legacy DVB ioctls.
Besides that, there's no reason why to not handle all ioctls
on a single handler function.
So, merge them into a single function (dvb_frontend_handle_ioctl)
and reorganize the ioctl's to indicate what's the current DVB
API and what's deprecated.
Despite the big diff, the handling logic for each ioctl is the
same as before.
Reviewed-by: Shuah Khan <shuahkh@osg.samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Use a switch() on this function, just like on other ioctl
handlers and handle parameters inside each part of the
switch.
That makes it easier to integrate with the already existing
ioctl handler function.
Reviewed-by: Shuah Khan <shuahkh@osg.samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Now that all clients of set_property() were removed, get rid
of this callback.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Only lg2160 implement gets_property, but there's no need for that,
as no other driver calls this callback, as get_frontend() does the
same, and set_frontend() also calls lg2160 get_frontend().
So, get rid of it.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Reviewed-by: Michael Ira Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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This callback is not actually doing anything but making it to
return an error depending on the DTV frontend command. Well,
that could break userspace for no good reason, and, if needed,
should be implemented, instead, at set_frontend() callback.
So, get rid of it.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The stv6110 has a weird code that checks if get_property
and set_property ioctls are defined. If they're, it initializes
a "srate" var from properties cache. Otherwise, it sets to
15MBaud, with won't make any sense.
Thankfully, it seems that someone else discovered the issue in
the past, as "srate" is currently not used anywhere!
So, get rid of that really weird dead code logic.
Reported-by: Honza Petrous <jpetrous@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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This driver doesn't implement support for set_property(). Yet,
it implements a boilerplate for it. Get rid of it.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Without device tree, there is no way to use this driver.
Signed-off-by: Sean Young <sean@mess.org>
Acked-by: Andi Shyti <andi.shyti@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The ioctl LIRC_SET_REC_TIMEOUT would set a timeout of 704ns if called
with a timeout of 4294968us.
Cc: <stable@vger.kernel.org>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Add DT binding for the HW IR decoder embedded in SMP86xx/SMP87xx.
Signed-off-by: Marc Gonzalez <marc_gonzalez@sigmadesigns.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The tango HW IR decoder supports NEC, RC-5, RC-6 protocols.
Signed-off-by: Mans Rullgard <mans@mansr.com>
Signed-off-by: Marc Gonzalez <marc_gonzalez@sigmadesigns.com>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Add a keymap for the Sigma Designs Vantage (dev board) remote control.
Signed-off-by: Marc Gonzalez <marc_gonzalez@sigmadesigns.com>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Without device tree, there is no way to use this driver.
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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Without device tree, there is no way to use this driver.
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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If the kernel is built without device tree, this driver cannot be
used and without gpiolib it cannot control any gpio pin.
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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When receiving an nec repeat, rc_repeat() is called and then rc_keydown()
with the last decoded scancode. That last call is redundant.
Fixes: 265a2988d202 ("media: rc-core: consistent use of rc_repeat()")
Cc: <stable@vger.kernel.org> # v4.14
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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There are no users of this functionality (ir-lirc-codec.c has its own
implementation and lirc_zilog.c doesn't use it) so remove it.
This only affects users of the lirc kapi, not rc-core drivers.
Signed-off-by: David Härdeman <david@hardeman.nu>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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The 0-day robot reports:
drivers/media/rc/gpio-ir-recv.c: In function 'gpio_ir_recv_irq':
>> drivers/media/rc/gpio-ir-recv.c:38:8: error: implicit declaration of function 'gpiod_get_value' [-Werror=implicit-function-declaration]
Fixes: eed008e605d1 ("[media] media: rc: gpio-ir-recv: use gpiolib API")
For some reason only partial patch was applied. Also include
gpio/consumer.h otherwise compile test fails.
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
Acked-by: Sean Young <sean@mess.org>
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The clock control is not explicitly controlled by the driver in two cases:
ACPI based systems and when the clock is part of the power sequence of the
camera module.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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Obtain the clock rate from the clock framework if it's not available
through DT. The assumption is that the parent device (camera module)
defines the rate as clock control is a part of the power on and power off
sequences --- which are camera module specific.
Also use the clock rate from DT if no clock is provided.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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The external clock frequency was set by the driver but the obtained
frequency was never verified. Do that.
Being able to obtain the exact frequency is important as the value is used
for PLL calculations which may result in frequencies that violate the PLL
tree limits.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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The error handling code in smiapp_power_on() returned in case of a failed
I2C write instead of cleaning up the mess. Fix this.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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ov13858 contained a 64-bit division. Use do_div() for calculating it.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Tested-by: Chiranjeevi Rapolu <chiranjeevi.rapolu@intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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