- 25 Mar, 2019 2 commits
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Hans Verkuil authored
The cedrus stateless decoder requires the use of request, so indicate this by setting requires_requests to 1. Note that the cedrus driver never checked for this, and as far as I can tell would just crash if an attempt was made to queue a buffer without a request. Signed-off-by:
Hans Verkuil <hverkuil-cisco@xs4all.nl> Acked-by:
Paul Kocialkowski <paul.kocialkowski@bootlin.com> Signed-off-by:
Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
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Hans Verkuil authored
Stateless codecs require the use of the Request API as opposed of it being optional. So add a bit to indicate this and let vb2 check for this. If an attempt is made to queue a buffer without an associated request, then the EBADR error is returned to userspace. Doing this check in the vb2 core simplifies drivers, since they don't have to check for this, they can just set this flag. Signed-off-by:
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- 20 Mar, 2019 15 commits
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Mauro Carvalho Chehab authored
Checkpatch wants to use 'help' instead of '---help---': WARNING: prefer 'help' over '---help---' for new help texts Let's change it globally at the media subsystem, as otherwise people would keep using the old way. Signed-off-by: -
Sakari Ailus authored
This is not how ACPI tables are written. Add a deprecation note and refer to the proper documentation. Signed-off-by:
Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by:
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Sakari Ailus authored
Set the entity function for the four CSI-2 receiver sub-devices the driver creates. This avoids a kernel warning from each as well. Signed-off-by:
Bingbu Cao <bingbu.cao@intel.com> Signed-off-by:
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Sakari Ailus authored
The lens drivers had ended up under the video decoder section; add a new one just for them, between the camera sensors and flash drivers. Signed-off-by:
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Sakari Ailus authored
ti-vpe driver parsed the remote endpoints for properties but ignored the local ones. Fix this by parsing the local endpoint properties instead. Signed-off-by:
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Sakari Ailus authored
V4L2 fwnode matching right now still works based on device nodes, not port nodes. Fix this. Signed-off-by:
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Sakari Ailus authored
C-PHY has no clock lanes. Therefore the first data lane is 0 by default. Fixes: edc6d56c ("media: v4l: fwnode: Support parsing of CSI-2 C-PHY endpoints") Signed-off-by:
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Sakari Ailus authored
The lack of defaults provided by the caller to v4l2_fwnode_endpoint_parse() signals the use of the default lane mapping. The default lane mapping must not be used however if the firmmare contains the lane mapping. Disable the default lane mapping in that case, and improve the debug messages telling of the use of the defaults. This was missed previously since the default mapping will only unsed in this case if the bus type is set, and no driver did both while still needing the lane mapping configuration. Fixes: b4357d21 ("media: v4l: fwnode: Support default CSI-2 lane mapping for drivers") Signed-off-by:
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Akinobu Mita authored
Since commit 3d6a8fe2 ("media: ov7670: hook s_power onto v4l2 core"), the device is actually powered off while the video stream is stopped. So now set_format and s_frame_interval could be called while the device is powered off, but these callbacks try to change the register settings at this time. The frame format and framerate will be restored right after power-up, so we can just postpone applying these changes at these callbacks if the device is not powered up. Fixes: 3d6a8fe2 ("media: ov7670: hook s_power onto v4l2 core") Cc: Jonathan Corbet <corbet@lwn.net> Signed-off-by:
Akinobu Mita <akinobu.mita@gmail.com> Reviewed-by:
Lubomir Rintel <lkundrak@v3.sk> Tested-by:
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Akinobu Mita authored
Since commit 3d6a8fe2 ("media: ov7670: hook s_power onto v4l2 core"), the device is actually powered off while the video stream is stopped. The frame format and framerate are restored right after power-up, but restoring the default register settings is forgotten. Fixes: 3d6a8fe2 ("media: ov7670: hook s_power onto v4l2 core") Cc: Jonathan Corbet <corbet@lwn.net> Signed-off-by:
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Arnd Bergmann authored
The imgu_css_queue structure is too large to be put on the kernel stack, as we can see in 32-bit builds: drivers/staging/media/ipu3/ipu3-css.c: In function 'imgu_css_fmt_try': drivers/staging/media/ipu3/ipu3-css.c:1863:1: error: the frame size of 1172 bytes is larger than 1024 bytes [-Werror=frame-larger-than=] By dynamically allocating this array, the stack usage goes down to an acceptable 140 bytes for the same x86-32 configuration. Fixes: f5f2e427 ("media: staging/intel-ipu3: Add css pipeline programming") Signed-off-by:
Arnd Bergmann <arnd@arndb.de> Reviewed-by:
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Arnd Bergmann authored
The imgu_rpm_dummy_cb() looks like an API misuse that is explained in the comment above it. Aside from that, it also causes a warning when power management support is disabled: drivers/staging/media/ipu3/ipu3.c:794:12: error: 'imgu_rpm_dummy_cb' defined but not used [-Werror=unused-function] The warning is at least easy to fix by marking the function as __maybe_unused. Fixes: 7fc7af64 ("media: staging/intel-ipu3: Add imgu top level pci device driver") Signed-off-by:
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Arnd Bergmann authored
The v4l2_pix_format_mplane structure is too large to be put on the kernel stack, as we can see in 32-bit builds: drivers/staging/media/ipu3/ipu3-v4l2.c: In function 'imgu_fmt': drivers/staging/media/ipu3/ipu3-v4l2.c:753:1: error: the frame size of 1028 bytes is larger than 1024 bytes [-Werror=frame-larger-than=] By dynamically allocating this array, the stack usage goes down to an acceptable 272 bytes for the same x86-32 configuration. Fixes: a0ca1627 ("media: staging/intel-ipu3: Add v4l2 driver based on media framework") Signed-off-by:
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Hans Verkuil authored
When start_streaming was called both last_src_buf and last_dst_buf pointers were set to NULL, but this depends on whether the capture or output queue starts streaming. When decoding with resolution changes in between the capture queue has to restart streaming whenever a resolution change occurs. And that would reset last_src_buf as well, which causes a problem if the decoder was stopped by the application. Since last_src_buf is now NULL, the LAST flag is never set for the last capture buffer. Signed-off-by:
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Hans Verkuil authored
Some functions like enum_fmt use the buffer type as was passed from userspace, which might cause the switch to fall into the default case. Just drop the WARN_ON(1) to avoid kernel log pollution. Signed-off-by:
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- 19 Mar, 2019 23 commits
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Colin Ian King authored
Don't populate the array addr_list on the stack but instead make it static. Makes the object code smaller by 20 bytes Before: text data bss dec hex filename^M 16929 3626 384 20939 51cb ../usb/em28xx/em28xx-input.o After: text data bss dec hex filename^M 16829 3706 384 20919 51b7 ../usb/em28xx/em28xx-input.o (gcc version 8.3.0, aarch64) Signed-off-by:
Colin Ian King <colin.king@canonical.com> Signed-off-by:
Sean Young <sean@mess.org> Signed-off-by:
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Jose Alberto Reguero authored
This patch add support for Avermedia TD310 usb stick. Signed-off-by:
Jose Alberto Reguero <jose.alberto.reguero@gmail.com> Signed-off-by:
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Andreas Kemnade authored
i2c bus is already needed when the frontend is probed, so init it already in it930x_frontend_attach. That prevents errors like: si2168: probe of 6-0067 failed with error -5 Signed-off-by:
Andreas Kemnade <andreas@kemnade.info> Signed-off-by:
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Kangjie Lu authored
si2165_readreg8() may fail. Looking into si2165_readreg8(), we will find that "val_tmp" will be an uninitialized value when regmap_read() fails. "val_tmp" is then assigned to "val". So if si2165_readreg8() fails, "val" will be a random value. Further use will lead to undefined behaviors. The fix checks if si2165_readreg8() fails, and if so, returns its error code upstream. Signed-off-by:
Kangjie Lu <kjlu@umn.edu> Reviewed-by:
Matthias Schwarzott <zzam@gentoo.org> Tested-by:
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YueHaibing authored
Syzkaller report this: BUG: KASAN: use-after-free in sysfs_remove_file_ns+0x5f/0x70 fs/sysfs/file.c:468 Read of size 8 at addr ffff8881dc7ae030 by task syz-executor.0/6249 CPU: 1 PID: 6249 Comm: syz-executor.0 Not tainted 5.0.0-rc8+ #3 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1ubuntu1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0xfa/0x1ce lib/dump_stack.c:113 print_address_description+0x65/0x270 mm/kasan/report.c:187 kasan_report+0x149/0x18d mm/kasan/report.c:317 ? 0xffffffffc1728000 sysfs_remove_file_ns+0x5f/0x70 fs/sysfs/file.c:468 sysfs_remove_file include/linux/sysfs.h:519 [inline] driver_remove_file+0x40/0x50 drivers/base/driver.c:122 remove_bind_files drivers/base/bus.c:585 [inline] bus_remove_driver+0x186/0x220 drivers/base/bus.c:725 driver_unregister+0x6c/0xa0 drivers/base/driver.c:197 serial_ir_init_module+0x169/0x1000 [serial_ir] do_one_initcall+0xfa/0x5ca init/main.c:887 do_init_module+0x204/0x5f6 kernel/module.c:3460 load_module+0x66b2/0x8570 kernel/module.c:3808 __do_sys_finit_module+0x238/0x2a0 kernel/module.c:3902 do_syscall_64+0x147/0x600 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x462e99 Code: f7 d8 64 89 02 b8 ff ff ff ff c3 66 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f9450132c58 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 RAX: ffffffffffffffda RBX: 000000000073bf00 RCX: 0000000000462e99 RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000003 RBP: 00007f9450132c70 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f94501336bc R13: 00000000004bcefa R14: 00000000006f6fb0 R15: 0000000000000004 Allocated by task 6249: set_track mm/kasan/common.c:85 [inline] __kasan_kmalloc.constprop.3+0xa0/0xd0 mm/kasan/common.c:495 kmalloc include/linux/slab.h:545 [inline] kzalloc include/linux/slab.h:740 [inline] bus_add_driver+0xc0/0x610 drivers/base/bus.c:651 driver_register+0x1bb/0x3f0 drivers/base/driver.c:170 serial_ir_init_module+0xe8/0x1000 [serial_ir] do_one_initcall+0xfa/0x5ca init/main.c:887 do_init_module+0x204/0x5f6 kernel/module.c:3460 load_module+0x66b2/0x8570 kernel/module.c:3808 __do_sys_finit_module+0x238/0x2a0 kernel/module.c:3902 do_syscall_64+0x147/0x600 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe Freed by task 6249: set_track mm/kasan/common.c:85 [inline] __kasan_slab_free+0x130/0x180 mm/kasan/common.c:457 slab_free_hook mm/slub.c:1430 [inline] slab_free_freelist_hook mm/slub.c:1457 [inline] slab_free mm/slub.c:3005 [inline] kfree+0xe1/0x270 mm/slub.c:3957 kobject_cleanup lib/kobject.c:662 [inline] kobject_release lib/kobject.c:691 [inline] kref_put include/linux/kref.h:67 [inline] kobject_put+0x146/0x240 lib/kobject.c:708 bus_remove_driver+0x10e/0x220 drivers/base/bus.c:732 driver_unregister+0x6c/0xa0 drivers/base/driver.c:197 serial_ir_init_module+0x14c/0x1000 [serial_ir] do_one_initcall+0xfa/0x5ca init/main.c:887 do_init_module+0x204/0x5f6 kernel/module.c:3460 load_module+0x66b2/0x8570 kernel/module.c:3808 __do_sys_finit_module+0x238/0x2a0 kernel/module.c:3902 do_syscall_64+0x147/0x600 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe The buggy address belongs to the object at ffff8881dc7ae000 which belongs to the cache kmalloc-256 of size 256 The buggy address is located 48 bytes inside of 256-byte region [ffff8881dc7ae000, ffff8881dc7ae100) The buggy address belongs to the page: page:ffffea000771eb80 count:1 mapcount:0 mapping:ffff8881f6c02e00 index:0x0 flags: 0x2fffc0000000200(slab) raw: 02fffc0000000200 ffffea0007d14800 0000000400000002 ffff8881f6c02e00 raw: 0000000000000000 00000000800c000c 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff8881dc7adf00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff8881dc7adf80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffff8881dc7ae000: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff8881dc7ae080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff8881dc7ae100: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00 There are already cleanup handlings in serial_ir_init error path, no need to call serial_ir_exit do it again in serial_ir_init_module, otherwise will trigger a use-after-free issue. Fixes: fa5dc29c ("[media] lirc_serial: move out of staging and rename to serial_ir") Reported-by:Hulk Robot <hulkci@huawei.com> Signed-off-by:
YueHaibing <yuehaibing@huawei.com> Signed-off-by:
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YueHaibing authored
Remove including <linux/version.h> that don't need it. Signed-off-by:
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Nicholas Mc Guire authored
Checking of kmalloc() seems to have been committed - as cx23885_dvb_register() is checking for != 0 return, returning -ENOMEM should be fine here. While at it address the coccicheck suggestion to move to kmemdup rather than using kmalloc+memcpy. Fixes: 46b21bba ("[media] Add support for DViCO FusionHDTV DVB-T Dual Express2") Signed-off-by:
Nicholas Mc Guire <hofrat@osadl.org> Signed-off-by:
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James Hutchinson authored
Ref: https://bugzilla.kernel.org/show_bug.cgi?id=199323 Users are experiencing problems with the DVBSky S960/S960C USB devices since the following commit: 9d659ae1: ("locking/mutex: Add lock handoff to avoid starvation") The device malfunctions after running for an indeterminable period of time, and the problem can only be cleared by rebooting the machine. It is possible to encourage the problem to surface by blocking the signal to the LNB. Further debugging revealed the cause of the problem. In the following capture: - thread #1325 is running m88ds3103_set_frontend - thread #42 is running ts2020_stat_work a> [1325] usb 1-1: dvb_usb_v2_generic_io: >>> 08 68 02 07 80 [1325] usb 1-1: dvb_usb_v2_generic_io: <<< 08 [42] usb 1-1: dvb_usb_v2_generic_io: >>> 09 01 01 68 3f [42] usb 1-1: dvb_usb_v2_generic_io: <<< 08 ff [42] usb 1-1: dvb_usb_v2_generic_io: >>> 08 68 02 03 11 [42] usb 1-1: dvb_usb_v2_generic_io: <<< 07 [42] usb 1-1: dvb_usb_v2_generic_io: >>> 09 01 01 60 3d [42] usb 1-1: dvb_usb_v2_generic_io: <<< 07 ff b> [1325] usb 1-1: dvb_usb_v2_generic_io: >>> 08 68 02 07 00 [1325] usb 1-1: dvb_usb_v2_generic_io: <<< 07 [42] usb 1-1: dvb_usb_v2_generic_io: >>> 08 68 02 03 11 [42] usb 1-1: dvb_usb_v2_generic_io: <<< 07 [42] usb 1-1: dvb_usb_v2_generic_io: >>> 09 01 01 60 21 [42] usb 1-1: dvb_usb_v2_generic_io: <<< 07 ff [42] usb 1-1: dvb_usb_v2_generic_io: >>> 08 68 02 03 11 [42] usb 1-1: dvb_usb_v2_generic_io: <<< 07 [42] usb 1-1: dvb_usb_v2_generic_io: >>> 09 01 01 60 66 [42] usb 1-1: dvb_usb_v2_generic_io: <<< 07 ff [1325] usb 1-1: dvb_usb_v2_generic_io: >>> 08 68 02 03 11 [1325] usb 1-1: dvb_usb_v2_generic_io: <<< 07 [1325] usb 1-1: dvb_usb_v2_generic_io: >>> 08 60 02 10 0b [1325] usb 1-1: dvb_usb_v2_generic_io: <<< 07 Two i2c messages are sent to perform a reset in m88ds3103_set_frontend: a. 0x07, 0x80 b. 0x07, 0x00 However, as shown in the capture, the regmap mutex is being handed over to another thread (ts2020_stat_work) in between these two messages. >From here, the device responds to every i2c message with an 07 message, and will only return to normal operation following a power cycle. Use regmap_multi_reg_write to group the two reset messages, ensuring both are processed before the regmap mutex is unlocked. Signed-off-by:
James Hutchinson <jahutchinson99@googlemail.com> Reviewed-by:
Antti Palosaari <crope@iki.fi> Signed-off-by:
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Stefan Brüns authored
Commit 14f4eaed ("media: dvbsky: fix driver unregister logic") fixed a use-after-free by removing the reference to the frontend after deleting the backing i2c device. This has the unfortunate side effect the frontend device is never freed in the dvb core leaving a dangling device, leading to errors when the dvb core tries to register the frontend after e.g. a replug as reported here: https://www.spinics.net/lists/linux-media/msg138181.html media: dvbsky: issues with DVBSky T680CI === [ 561.119145] sp2 8-0040: CIMaX SP2 successfully attached [ 561.119161] usb 2-3: DVB: registering adapter 0 frontend 0 (Silicon Labs Si2168)... [ 561.119174] sysfs: cannot create duplicate filename '/class/dvb/ dvb0.frontend0' === The use after free happened as dvb_usbv2_disconnect calls in this order: - dvb_usb_device::props->exit(...) - dvb_usbv2_adapter_frontend_exit(...) + if (fe) dvb_unregister_frontend(fe) + dvb_usb_device::props->frontend_detach(...) Moving the release of the i2c device from exit() to frontend_detach() avoids the dangling pointer access and allows the core to unregister the frontend. This was originally reported for a DVBSky T680CI, but it also affects the MyGica T230C. As all supported devices structure the registration/ unregistration identically, apply the change for all device types. Signed-off-by:
Stefan Brüns <stefan.bruens@rwth-aachen.de> Signed-off-by:
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Dan Carpenter authored
We forgot to set "ret" on this error path. Fixes: e8454ff7 ("[media] drivers:media:radio: wl128x: FM Driver Common sources") Signed-off-by:
Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by:
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Mao Wenan authored
There is no need to have the 'T *v' variable static since new value always be assigned before use it. Signed-off-by:
Mao Wenan <maowenan@huawei.com> Reviewed-by:
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claudiojpaz authored
ERROR: do not initialise statics to NULL Signed-off-by:
claudiojpaz <claudiojpaz@gmail.com> Signed-off-by:
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Arnd Bergmann authored
The driver should really call dm365_isif_setup_pinmux() through a callback, but uses a hack to include a davinci specific machine header file when compile testing instead. This works almost everywhere, but not on the ARM omap1 platform, which has another header named mach/mux.h. This causes a build failure: drivers/staging/media/davinci_vpfe/dm365_isif.c:2028:2: error: implicit declaration of function 'davinci_cfg_reg' [-Werror,-Wimplicit-function-declaration] davinci_cfg_reg(DM365_VIN_CAM_WEN); ^ drivers/staging/media/davinci_vpfe/dm365_isif.c:2028:2: error: this function declaration is not a prototype [-Werror,-Wstrict-prototypes] drivers/staging/media/davinci_vpfe/dm365_isif.c:2028:18: error: use of undeclared identifier 'DM365_VIN_CAM_WEN' davinci_cfg_reg(DM365_VIN_CAM_WEN); ^ drivers/staging/media/davinci_vpfe/dm365_isif.c:2029:18: error: use of undeclared identifier 'DM365_VIN_CAM_VD' davinci_cfg_reg(DM365_VIN_CAM_VD); ^ drivers/staging/media/davinci_vpfe/dm365_isif.c:2030:18: error: use of undeclared identifier 'DM365_VIN_CAM_HD' davinci_cfg_reg(DM365_VIN_CAM_HD); ^ drivers/staging/media/davinci_vpfe/dm365_isif.c:2031:18: error: use of undeclared identifier 'DM365_VIN_YIN4_7_EN' davinci_cfg_reg(DM365_VIN_YIN4_7_EN); ^ drivers/staging/media/davinci_vpfe/dm365_isif.c:2032:18: error: use of undeclared identifier 'DM365_VIN_YIN0_3_EN' davinci_cfg_reg(DM365_VIN_YIN0_3_EN); ^ 7 errors generated. Exclude omap1 from compile-testing, under the assumption that all others still work. Fixes: 4907c73d ("media: staging: davinci_vpfe: allow building with COMPILE_TEST") Signed-off-by: -
Arnd Bergmann authored
Building adv748x fails now unless V4L2_FWNODE is selected: drivers/media/i2c/adv748x/adv748x-core.o: In function `adv748x_probe': adv748x-core.c:(.text+0x1b2c): undefined reference to `v4l2_fwnode_endpoint_parse' Fixes: 6a18865d ("media: i2c: adv748x: store number of CSI-2 lanes described in device tree") Signed-off-by:
Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by:
Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> Signed-off-by:
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Steve Longerbeam authored
The i.MX7 capture support forgot to change the group ID for the CSI to the IPU CSI in VDIC sub-device, it was left at the i.MX7 CSI group ID. Fixes: 67673ed5 ("media: staging/imx: rearrange group id to take in account IPU") Signed-off-by:
Steve Longerbeam <slongerbeam@gmail.com> Reviewed-by:
Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by:
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YueHaibing authored
Remove duplicated include. Signed-off-by:
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Hans Petter Selasky authored
strscpy() returns a negative value on failure unlike strlcpy(), so fix the WARN_ON accordingly. Signed-off-by:
Hans Petter Selasky <hps@selasky.org> Signed-off-by:
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Helen Fornazier authored
The s_stream callback was not being called for the first entity in the stream pipeline array. Instead of verifying the type of the node (video or subdevice) and calling s_stream from the second entity in the pipeline, do this process for all the entities in the pipeline for consistency. The previous code was not a problem because the first entity is a video device and not a subdevice, but this patch prepares vimc to allow setting some configuration in the entity before calling s_stream. Signed-off-by:
Helen Koike <helen.koike@collabora.com> Tested-by:
André Almeida <andre.almeida@collabora.com> Signed-off-by:
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Helen Fornazier authored
Add missing documentation for struct vimc_stream Signed-off-by:
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Helen Fornazier authored
There is no need to have the frame field in the vimc_stream struct. Signed-off-by:
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Helen Fornazier authored
The type V4L2_FRMSIZE_TYPE_CONTINUOUS expects a step of 1. This fixes v4l2-compliance test error: fail: v4l2-test-formats.cpp(184): invalid step_width/height for continuous framesize test VIDIOC_ENUM_FMT/FRAMESIZES/FRAMEINTERVALS: FAIL Signed-off-by: -
Helen Fornazier authored
The state TASK_UNINTERRUPTIBLE should be set just before schedule_timeout() call, so it knows the sleep mode it should enter. There is no point in setting TASK_UNINTERRUPTIBLE at the initialization of the thread as schedule_timeout() will set the state back to TASK_RUNNING. This fixes a warning in __might_sleep() call, as it's expecting the task to be in TASK_RUNNING state just before changing the state to a sleeping state. Reported-by:
Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by:
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Helen Fornazier authored
The format of the sink pad should be a bayer mbus format. This fixes a kernel NULL pointer dereference error that was caused when the stream starts because the configured format was not found in the pixelmap table. Reported-by:
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