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If those callbacks fail, it should return zero, and not a random
value. The previous code assumed that all drivers would only change
signal strength if it succeeds, but this may not be true.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Now that those functions are only used when the corresponding
function calls are defined, we don't need to check if those
function calls are present at the structure before using it.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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While the driver gets AFC from the tuner, it doesn't return it
back via V4L2 API due to a mistake at the return. fix it.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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If the tuner frontend does not support get_rf_strength, then don't set
the has_signal callback. Ditto for get_afc.
Both callbacks overwrite the signal and afc fields of struct v4l2_tuner
but that should only happen if the tuner can actually detect this. If
it can't, then it should leave those fields alone so other subdevices
can try and detect the signal/afc.
This fixes the bug where the au8522 detected a signal and then tuner-core
overwrote it with 0 since the xc5000 tuner does not support get_rf_strength.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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- open/close/read and poll need to take the core lock as well.
- when the tuner goes to sleep we should set std_set_in_tuner_core
to 0 since the tuner loses the firmware at that time.
- initialize the tuner if std_set_in_tuner_core == 0 whenever:
1) g/s_tuner, s_std or s_frequency is called
2) read or poll is called
3) streamon is called
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Reviewed-by: Devin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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After loading the module the initial video routing is not setup.
Explicitly call s_input to get this right.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Reviewed-by: Devin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Just opening a device shouldn't have any side-effects.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Reviewed-by: Devin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Turn it into a simple function.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Reviewed-by: Devin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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The driver crashed when the device was disconnected while an application
still had a device node open. Fixed by using the release() callback of struct
v4l2_device.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Reviewed-by: Devin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Now that au0828 has been converted to the control framework these
compatilibity ops are no longer needed.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Reviewed-by: Devin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Reviewed-by: Devin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Also get rid of unnecessary format type check.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Reviewed-by: Devin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Reviewed-by: Devin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Reviewed-by: Devin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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- V4L2_CAP_AUDIO was set, but enumaudio was not implemented.
- audioset was never filled by enum_input
- ctrl_ainput was never updated when switching the video input
- g_audio was broken due to faulty logic: g_audio should set the
index, it doesn't receive it from the user.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Reviewed-by: Devin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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No code change, just fixing a wrong indentation.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Reviewed-by: Devin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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- define an initial frequency
- return an error if g_frequency is called for an invalid tuner index
- get the clamped frequency value after setting it: i.e. the tuner driver
may clamp the given frequency to a valid frequency range and ctrl_freq
should get that actual clamped frequency.
- remove obsolete tuner type checks (done by the core).
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Reviewed-by: Devin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Reviewed-by: Devin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Reviewed-by: Devin Heitmueller <dheitmueller@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Add support for vidioc_g_chip_name, allowing AC97 to be implemented as a
second chip on the bridge with the name "ac97". v4l2-dbg can just match the
name with that string in order to detect a ac97-compliant set of registers.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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It was just a placeholder and we want to get rid of the AC97 matching
define.
Also replace MATCH_HOST with MATCH_BRIDGE since we are here anyway.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Simplify the debugging ioctls by creating the VIDIOC_DBG_G_CHIP_NAME ioctl.
This will eventually replace VIDIOC_DBG_G_CHIP_IDENT. Chip matching is done
by the name or index of subdevices or an index to a bridge chip. Most of this
can all be done automatically, so most drivers just need to provide get/set
register ops.
In particular, it is now possible to get/set subdev registers without
requiring assistance of the bridge driver.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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During the transition to sub-devices several years ago non-subdev drivers
had a ' at the end of their driver name to tell them apart from already
converted drivers. This check was a left-over from that time and can be
removed.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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In vb2_buffer_done, it would be better the print the value of 'state'
(current state of buffer) than to print 'vb->state' which is always
VB2_BUF_STATE_ACTIVE.
Signed-off-by: Tushar Behera <tushar.behera@linaro.org>
Acked-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Prefix the headers with 'solo6x10-'.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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An earlier patch temporarily disabled regional motion detection. This patch
adds it back: the 'Motion Detection Enable' control is now a 'Motion Detection Mode'.
And to set/get the regional thresholds two new ioctls were added to get/set those
thresholds.
The BUF_FLAG constants were also updated to prevent clashing with existing buffer
flags.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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FMT_MPEG is for multiplexed streams, not elementary streams. The same is
true for the V4L2_CID_MPEG_VIDEO_ENCODING control.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Otherwise the computer will hang.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Check the result of the dma mapping.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Caused by a missing sysfs_attr_init().
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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As a consequence the ioctl op has been replaced by unlocked_ioctl.
Since we are now using the core lock the locking scheme has been
simplified as well.
The main reason for converting this driver to vb2 was that the locking
scheme in v4l2.c was hopeless. It was easier to just convert the driver
then to try and salvage a threading and videobuf nightmare.
The videobuf2 framework is far, far superior compared to the old videobuf.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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As a consequence the ioctl op has been replaced by unlocked_ioctl.
Since we are now using the core lock the locking scheme has been
simplified as well.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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All fields in solo_enc_fh do not belong there since they refer to global
properties. After moving all these fields to solo_enc_dev the solo_dev_fh
struct can be removed completely.
Note that this also kills the 'listener' feature of this driver. This
feature (where multiple filehandles can read the video) is illegal in the
V4L2 API. Do this in userspace: it's much more efficient to copy memory
than it is to DMA to every listener.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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All fields in solo_dev_fh do not belong there since they refer to global
properties. After moving all these fields to solo_dev the solo_dev_fh
struct can be removed completely.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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- try_fmt should never return -EBUSY.
- invalid pix->field values were not mapped to a valid value.
- the priv field of struct v4l2_pix_format wasn't zeroed.
- the try_fmt error code was not checked in set_fmt.
- enum_framesizes/intervals is valid for both MJPEG and MPEG pixel formats.
- enum_frameintervals didn't check width and height and reported the
wrong range.
- s_parm didn't set readbuffers.
- don't fail on invalid colorspace, just replace with the valid colorspace.
- bytesperline should be 0 for compressed formats.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Note that the MOTION_THRESHOLD functionality has been temporarily reduced:
only the global threshold can be set, not the per-block. This will be
addressed in a later patch: controls are not the proper way to do this.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Add support for struct v4l2_device.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Setup correct bus_info, let the v4l2 core set the version and add device_caps
support.
Also update the module version to 3.0.0 since this is a major upgrade.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Synced to commit e9815ac5503ae60cfbf6ff8037035de8f62e2846 from
branch next in git repository https://github.com/bluecherrydvr/solo6x10.git
Only removed some code under #if LINUX_VERSION_CODE < some-kernel-version,
renamed the driver back to solo6x10 from solo6x10-edge, removed the
unnecessary compat.h header and kept the slab.h includes.
Otherwise the code is identical.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Ismael Luceno <ismael.luceno@corp.bluecherry.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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lirc_sir uses the CONFIG_SA1100_BITSY Kconfig macro. But its Kconfig
symbol was removed in v2.4.13. So remove dead code associated with it.
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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523a4f7fbcf856fb1c2a4850f44edea6738ee37b
Case: In AdLink MPG24 there is bt878 exists (it captures one frame of all video
inputs), Video Signal for it one transmits through tw2804 chip, so we can't
control ADC (shut on/off) on tw2804, as some another can use bttv capture way.
Signed-off-by: Volokh Konstantin <volokh84@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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For NUL terminated string, need always set '\0' in the end.
Signed-off-by: Chen Gang <gang.chen@asianux.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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version.h header inclusion is not necessary as detected by
versioncheck.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Using two separate tables to setup the registers for 50 or 60 hz is
better than the non-const table that is filled in at runtime.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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