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Errors should also be negative and should follow the Kernel
standards.
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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As reported by Trevor, doing several opening/streaming/closing
operations to the demux causes it to fail.
I was able to simulate this bug too. I also noticed that,
sometimes, changing channels with au0828, the same thing
happens.
Most of the issues seem to be due to some hardware bug, that
causes the device to not fill all the URBs allocated. When
the bug happens, the only known fix is to either replug the
device, or to send an USB reset to it.
There's also a hack a the au0828 driver that starts a thread
that tries to reset the device when a package doesn't start
with a sync.
One of the culpits for this bad hardware behavior seem to be
caused by the lack of stopping and restarting the stream every
time a new channel is set.
This patch warrants that the stream will be properly reset
every time the set_frontend callback is called, partially
solving the problem.
A complete fix, however, would also need to check the PM
conditions for the tuner and demux.
Reported-by: Trevor Graffa <tlgraffa@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Sometimes, it helps to know how much data was received by
urb_completion. Add that information to the optional debug
log.
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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If the tuner is already disconnected, It is meaningless to go on doing the
stream-restart operation, It is better to cancel this operation.
Signed-off-by: Changbing Xiong <cb.xiong@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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The RC support o Nova-TD is broken, as the RC endpoint there
is an interrupt endpoint.
That produces an ugly calltrace at the Kernel logs:
WARNING: CPU: 2 PID: 56 at drivers/usb/core/urb.c:450 usb_submit_urb+0x1fd/0x5c0()
usb 1-1.2: BOGUS urb xfer, pipe 3 != type 1
Modules linked in: rc_dib0700_rc5(OF) dvb_usb_dib0700(OF) dib9000(OF) dib8000(OF) dib7000m(OF) dib0090(OF) dib0070(OF) dib7000p(OF) dib3000mc(OF) dibx000_common(OF) dvb_usb(OF) rc_core(OF) snd_usb_audio snd_usbmidi_lib snd_hwdep snd_rawmidi snd_seq snd_seq_device snd_pcm snd_timer snd soundcore bnep bluetooth 6lowpan_iphc rfkill au0828(OF) xc5000(OF) au8522_dig(OF) au8522_common(OF) tveeprom(OF) dvb_core(OF) nouveau i915 mxm_wmi ttm i2c_algo_bit drm_kms_helper drm r8169 mii i2c_core video wmi [last unloaded: au0828]
CPU: 2 PID: 56 Comm: khubd Tainted: GF O 3.14.2-200.fc20.x86_64 #1
Hardware name: SAMSUNG ELECTRONICS CO., LTD. 550P5C/550P7C/SAMSUNG_NP1234567890, BIOS P05ABI.016.130917.dg 09/17/2013
0000000000000000 00000000610866bc ffff880223703860 ffffffff816eec92
ffff8802237038a8 ffff880223703898 ffffffff8108a1bd ffff8800916a2180
ffff8801d5b16000 0000000000000003 0000000000000003 0000000000000020
Call Trace:
[<ffffffff816eec92>] dump_stack+0x45/0x56
[<ffffffff8108a1bd>] warn_slowpath_common+0x7d/0xa0
[<ffffffff8108a23c>] warn_slowpath_fmt+0x5c/0x80
[<ffffffff814e3ebd>] usb_submit_urb+0x1fd/0x5c0
[<ffffffffa0445925>] dib0700_rc_setup+0xb5/0x120 [dvb_usb_dib0700]
[<ffffffffa0445a58>] dib0700_probe+0xc8/0x130 [dvb_usb_dib0700]
...
Fix it by detecting if the endpoint is bulk or interrupt.
Tested with both Hauppauge Nova-TD model 52009 (interrupt) and with a
Prolink Pixelview SBTVD model PV-D231U (bulk).
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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The include/media/s5p_fimc.h header has been removed in commit
49b2f4c56fbf70ca693d6df1c491f0566d516aea ("exynos4-is: Remove support
for non-dt platforms"). This broke compilation of the m5mols driver.
Include the include/media/exynos-fimc.h header instead, which contains
the S5P_FIMC_TX_END_NOTIFY definition required by the driver.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Change the I/O endpoint handling of the mceusb driver to respect the endpoint
type reported by device (bulk/interrupt), rather than treating all endpoints
as type interrupt, which breaks devices using bulk endpoints when connected
to a xhci controller. Accordingly, change the function calls to initialize
an endpoint's transfer pipe and urb handlers to use the correct function based
on the endpoint type.
[m.chehab@samsung.com: Fix merge conflicts and compilation breakage]
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Tested-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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DVB-S Tuner
There is another clone of AZ6027. This patch adds the relevant PID.
Signed-off-by: Manuel Schönlaub <manuel.schoenlaub@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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The subdev EDID ioctls receive a pad field that must reference an
existing pad and an EDID field that must point to a buffer. Validate
both fields in the core code instead of duplicating validation in all
drivers.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Reviewed-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Validate the pad field in the core code whenever specified.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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The video enum_dv_timings and dv_timings_cap operations are deprecated
and unused. Remove them.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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The video enum_dv_timings and dv_timings_cap operations are deprecated
and unused. Remove them.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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The video enum_dv_timings operation is deprecated and unused. Remove it.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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The video enum_dv_timings and dv_timings_cap operations are deprecated
and unused. Remove them.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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The video enum_dv_timings and dv_timings_cap operations are deprecated
and unused. Remove them.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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The video enum_dv_timings and dv_timings_cap operations are deprecated
and unused. Remove them.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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The video enum_dv_timings and dv_timings_cap operations are deprecated
and unused. Remove them.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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The video-level enum_dv_timings and dv_timings_cap operations are
deprecated in favor of the pad-level versions. All subdev drivers
implement the pad-level versions, switch to them.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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The video-level enum_dv_timings and dv_timings_cap operations are
deprecated in favor of the pad-level versions. All subdev drivers
implement the pad-level versions, switch to them.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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The video-level enum_dv_timings and dv_timings_cap operations are
deprecated in favor of the pad-level versions. All subdev drivers
implement the pad-level versions, switch to them.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Scott Jiang <scott.jiang.linux@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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The video enum_dv_timings operation is deprecated. Implement the
pad-level version of the operation to prepare for the removal of the
video version.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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The video enum_dv_timings and dv_timings_cap operations are deprecated.
Implement the pad-level version of those operations to prepare for the
removal of the video version.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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The video enum_dv_timings operation is deprecated. Implement the
pad-level version of the operation to prepare for the removal of the
video version.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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The video enum_dv_timings and dv_timings_cap operations are deprecated.
Implement the pad-level version of those operations to prepare for the
removal of the video version.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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The video enum_dv_timings and dv_timings_cap operations are deprecated.
Implement the pad-level version of those operations to prepare for the
removal of the video version.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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The video enum_dv_timings and dv_timings_cap operations are deprecated.
Implement the pad-level version of those operations to prepare for the
removal of the video version.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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The video enum_dv_timings and dv_timings_cap operations are deprecated.
Implement the pad-level version of those operations to prepare for the
removal of the video version.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Currently stk1160_read_reg() uses a stack-allocated char to get the
read control value. This is wrong because usb_control_msg() requires
a kmalloc-ed buffer.
This commit fixes such issue by kmalloc'ating a 1-byte buffer to receive
the read value.
While here, let's remove the urb_buf array which was meant for a similar
purpose, but never really used.
Cc: Alan Stern <stern@rowland.harvard.edu>
Reported-by: Sander Eikelenboom <linux@eikelenboom.it>
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Cc: stable@vger.kernel.org # for v3.7 and up
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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The g_std and s_std operations are video-related, move them to the video
ops where they belong.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Remove duplicated test of buffer presence at streamon
Signed-off-by: Victor Lambret <victor.lambret.ext@parrot.com>
Acked-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Drops check for #ifdef __KERNEL__, because this header is a Kernel
only header, where this define is always true.
Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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this patch adds supports to return -ENODATA to *std calls
if the selected output does not support it.
Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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this patch adds suppport to return -ENODATA for *dv_timings calls
if the current output does not support it.
Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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this patch uses SIMPLE_DEV_PM_OPS, and drops unneeded members
from io_usrs, usrs and makes use of vb2 helepers instead.
Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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this patch groups the v4l2_ioctl_ops and align them appropriately.
Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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this patch drops cropcap as this driver doesnt support cropping.
Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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This patch removes some modprobe parameters, without any reason
or description. I was supposed to not merge this patch, but It
was merged by mistake.
Revert it while nobody provides a good description for such patch.
This reverts commit b952662f272ae43c1583fac4dcda71ef36c33528.
Cc: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Cc: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Use the driver-specific inline function to cast from a subdev pointer to
a tvp5150 pointer instead of the generic container_of().
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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When a resolution change point is reached, queue an event to signal the
userspace that a new set of buffers is required before decoding can
continue.
Signed-off-by: Pawel Osciak <posciak@chromium.org>
Signed-off-by: Arun Kumar K <arun.kk@samsung.com>
Acked-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Acked-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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This event indicates that the video device has encountered
a source parameter change during runtime. This can typically be a
resolution change detected by a video decoder OR a format change
detected by an input connector.
This needs to be nofified to the userspace and the application may
be expected to reallocate buffers before proceeding. The application
can subscribe to events on a specific pad or input port which
it is interested in.
Signed-off-by: Arun Kumar K <arun.kk@samsung.com>
Acked-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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There is a few conflicts with older symbols on older kernels so we
have to patch this driver when backporting. Instead just make these
routines specific to the driver.
Signed-off-by: Luis R. Rodriguez <mcgrof@suse.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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The current names clash with include/linux/leds.h namespace,
although there is no compile issue currently this does affect
backports. Drivers should also try to avoid generic namespaces
for things like this.
Cc: Felipe Pena <felipensp@gmail.com>
Cc: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Luis R. Rodriguez <mcgrof@suse.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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place
this patch moves the initalization of video device to a
single place and uses macro to define the driver name and
use it appropriately on the required places.
Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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the started member was indicating whether streaming was started
or not, this can be determined by vb2 offering, this patch replaces
the started member from struct common_obj with appropriate vb2 calls.
Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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This field is set, but not used anymore. Remove it.
No functional changes.
Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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this patch drops reserving contigiuos memory for the device,
as now with CMA support there is no need of this.
This patch also prepares to removal of config_params.
Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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this patch adds support to use v4l2_fh_open() and vb2_fop_release,
which allows to drop driver specific struct vpif_fh, as this is handeled
by core. This patch also drops vpif_g/s_priority as this handeled
by core.
Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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