- 22 Aug, 2013 11 commits
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Laurent Pinchart authored
Commit b037c0fd ("media: vb2: fix potential deadlock in mmap vs. get_userptr handling") fixes an AB-BA deadlock related to the mmap_sem and driver locks. The same deadlock can occur in vb2_prepare_buffer(), fix it the same way. Signed-off-by:
Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by:
Hans Verkuil <hans.verkuil@cisco.com> Acked-by:
Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by:
Mauro Carvalho Chehab <m.chehab@samsung.com>
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Sean Young authored
Note that with the rc-feedback trigger, the cir-rx trigger is now redundant. The cir-tx trigger is not used by default; if this functionality is desired then it should exist in rc-core, not in a driver. Also make sure that the led is suspended on suspend. Signed-off-by:
Sean Young <sean@mess.org> Signed-off-by:
David Härdeman <david@hardeman.nu> Signed-off-by:
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Sean Young authored
Signed-off-by:
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Sean Young authored
Signed-off-by:
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Sean Young authored
Many devices with an ir receiver also have a feedback led. Add the led trigger to support this. Signed-off-by:
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Sean Young authored
The length in the header excludes the header itself, so we're getting spurious readings. Signed-off-by:
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Sakari Ailus authored
As the clock framework makes it possible to assign a device specific name to the clocks, remove the ability to use a named clock in the driver. Signed-off-by:
Sakari Ailus <sakari.ailus@iki.fi> Signed-off-by:
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Sakari Ailus authored
Prepare clocks before enabling and unprepare after disabling them. Signed-off-by:
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Sakari Ailus authored
The PLL calculation heuristics is rather complicated and and is often difficult to understand to its original author. Signed-off-by:
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Andy Shevchenko authored
clamp_t does the job to put a variable into the given range. clamp_t -> clamp as agreed with Andy. Signed-off-by:
Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by:
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Laurent Pinchart authored
Configure the device external clock using the common clock framework instead of a board code callback function. Signed-off-by:
Sylwester Nawrocki <s.nawrocki@samsung.com> Signed-off-by:
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- 21 Aug, 2013 4 commits
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Ondrej Zary authored
Hello, this is a new gspca driver for Syntek STK1135 webcams. The code is completely new, but register values are based on Syntekdriver (stk11xx) by Nicolas VIVIEN (http://syntekdriver.sourceforge.net). Only one webcam type is supported now - vendor 0x174f, device 0x6a31. It's Asus F5RL laptop flippable webcam with MT9M112. The camera works better than in Windows - initializes much faster and provides more resolutions (the sensor can do almost any resolution - just add it to the stk1135_modes[] - could this feature be somehow used by applications to avoid SW scaling?). Autoflip works too - when the camera is flipped around, the image is flipped automatically. Signed-off-by:
Ondrej Zary <linux@rainbow-software.org> Signed-off-by:
Hans de Goede <hdegoede@redhat.com> Signed-off-by:
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Antonio Ospite authored
sd_start() operates on device controls but after the conversion to the v4l2 control framework in commits 62bba5dd and 1bd7d6ad controls are initialized in sd_init_controls() which is called _after_ sd_init(): The change fixes a NULL pointer dereference for Hercules Blog Webcam; the problem is observable since 3.6: gspca_main: v2.14.0 registered gspca_main: ov534-2.14.0 probing 06f8:3002 BUG: unable to handle kernel NULL pointer dereference at 0000000000000050 IP: [<ffffffffa03c1b01>] v4l2_ctrl_g_ctrl+0x11/0x60 [videodev] PGD 0 Oops: 0000 [#1] SMP Modules linked in: gspca_ov534(+) gspca_main videodev rfcomm bnep ppdev bluetooth binfmt_misc snd_hda_codec_hdmi snd_hda_codec_realtek stir4200 irda crc_ccitt usblp snd_hda_intel snd_hda_codec snd_hwdep snd_pcm hid_generic snd_page_alloc snd_seq_midi snd_seq_midi_event usbhid snd_rawmidi snd_seq snd_seq_device snd_timer hid i915 snd psmouse drm_kms_helper serio_raw mei_me drm mei soundcore video i2c_algo_bit lpc_ich mac_hid coretemp lp parport firewire_ohci firewire_core crc_itu_t ahci libahci alx mdio r8169 mii [last unloaded: parport_pc] CPU: 3 PID: 4352 Comm: modprobe Not tainted 3.11.0-031100rc2-generic #201307211535 Hardware name: Gigabyte Technology Co., Ltd. To be filled by O.E.M./Z77-DS3H, BIOS F9 09/19/2012 task: ffff8801c20f9770 ti: ffff8801ceaa0000 task.ti: ffff8801ceaa0000 RIP: 0010:[<ffffffffa03c1b01>] [<ffffffffa03c1b01>] v4l2_ctrl_g_ctrl+0x11/0x60 [videodev] RSP: 0018:ffff8801ceaa1af8 EFLAGS: 00010292 RAX: 0000000000000001 RBX: 0000000000000000 RCX: 000000000001988b RDX: 000000000001988a RSI: ffffffffa032745a RDI: 0000000000000000 RBP: ffff8801ceaa1b28 R08: 0000000000017380 R09: ffffea0008419d80 R10: ffffffff81538f5a R11: 0000000000000002 R12: ffffffffa03273dc R13: ffffffffa03273dc R14: 0000000000000000 R15: ffffffffa03270a0 FS: 00007f72d564a740(0000) GS:ffff88021f380000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000050 CR3: 00000001bd1f0000 CR4: 00000000001407e0 Stack: ffff8801ceaa1b28 ffffffffa0325cff ffff8801000001f4 ffff8801ceb44000 ffffffffa03273dc ffff8801ceb44000 ffff8801ceaa1b58 ffffffffa032688e ffff8801ceb44000 ffffffffa03274f0 ffffffffa03274f0 ffff8801ceb44380 Call Trace: [<ffffffffa0325cff>] ? sccb_w_array+0x3f/0x80 [gspca_ov534] [<ffffffffa032688e>] sd_start+0xce/0x2b0 [gspca_ov534] [<ffffffffa0326bf9>] sd_init+0x189/0x1e8 [gspca_ov534] [<ffffffffa02a0c95>] gspca_dev_probe2+0x285/0x410 [gspca_main] [<ffffffffa02a0e58>] gspca_dev_probe+0x38/0x60 [gspca_main] [<ffffffffa0325081>] sd_probe+0x21/0x30 [gspca_ov534] [<ffffffff8153c960>] usb_probe_interface+0x1c0/0x2f0 [<ffffffff8148758c>] really_probe+0x6c/0x330 [<ffffffff814879d7>] driver_probe_device+0x47/0xa0 [<ffffffff81487adb>] __driver_attach+0xab/0xb0 [<ffffffff81487a30>] ? driver_probe_device+0xa0/0xa0 [<ffffffff814857be>] bus_for_each_dev+0x5e/0x90 [<ffffffff8148714e>] driver_attach+0x1e/0x20 [<ffffffff81486bdc>] bus_add_driver+0x10c/0x290 [<ffffffff8148805d>] driver_register+0x7d/0x160 [<ffffffff8153b590>] usb_register_driver+0xa0/0x160 [<ffffffffa0067000>] ? 0xffffffffa0066fff [<ffffffffa006701e>] sd_driver_init+0x1e/0x1000 [gspca_ov534] [<ffffffff8100212a>] do_one_initcall+0xfa/0x1b0 [<ffffffff810578c3>] ? set_memory_nx+0x43/0x50 [<ffffffff81712e8d>] do_init_module+0x80/0x1d1 [<ffffffff810d2079>] load_module+0x4c9/0x5f0 [<ffffffff810cf7b0>] ? add_kallsyms+0x210/0x210 [<ffffffff810d2254>] SyS_init_module+0xb4/0x100 [<ffffffff817333ef>] tracesys+0xe1/0xe6 Code: a0 09 00 00 48 c7 c7 30 c3 3c a0 e8 7a 38 ca e0 eb cf 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 89 e5 53 48 89 fb 48 83 ec 28 <8b> 47 50 83 e8 05 83 f8 02 77 09 80 b8 20 8c 3c a0 00 74 1d 48 RIP [<ffffffffa03c1b01>] v4l2_ctrl_g_ctrl+0x11/0x60 [videodev] RSP <ffff8801ceaa1af8> CR2: 0000000000000050 ---[ end trace 6786f15abfd2ac90 ]--- Original bug report from: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1173723/Signed-off-by:
Antonio Ospite <ospite@studenti.unina.it> Tested-by:
Yaroslav Zakharuk <slavikz@gmail.com> Signed-off-by:
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Alexey Khoroshilov authored
If v4l2_fh_open() fails in dev_open(), gspca_dev->module left locked. The patch adds module_put(gspca_dev->module) on this path. Found by Linux Driver Verification project (linuxtesting.org). Signed-off-by:
Alexey Khoroshilov <khoroshilov@ispras.ru> Signed-off-by:
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Hans de Goede authored
We've an user reporting a device with a software version of 0, which works fine. Once we lower the version check to accept version 0 it becomes a nop, so remove it completely. Signed-off-by:
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- 20 Aug, 2013 19 commits
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Antti Palosaari authored
* Fix AM_MODE. Now it could work at least in theory, cannot test. * Use greatest common divisor algo to divide PLL fractional parts. * Fix IF frequency mode. * + some very minor "style" issues Signed-off-by:
Antti Palosaari <crope@iki.fi> Signed-off-by:
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Antti Palosaari authored
After feeding different signal levels using RF generator and looking GNU Radio FFT sink I made decision to change bit shift 3 to bit shift 2 as there was very (too) huge visible leap in FFT sink GUI. Now it looks more natural. Signed-off-by:
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Antti Palosaari authored
That stream format carries 504 x I+Q samples per 1024 USB frame. Sample resolution is 8-bit signed. Default it when sampling rate is 9Msps or over. Signed-off-by:
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Antti Palosaari authored
Add comments, remove useless code and so. House cleaning party. Signed-off-by:
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Antti Palosaari authored
I made some tuner freq limit tests against RF signal generator. Adjust some PLL limits according to these test results. Here are the results, taken from two different devices. Ranges are measured RF limits + calculated VCO limits. Mirics MSi3101 SDR Dongle: VHF_MODE 52 - 132 1664 - 4224 B3_MODE 103 - 263 1648 - 4208 B45_MODE 413 - 960 1652 - 3840 Hauppauge WinTV 133559 LF: VHF_MODE 49 - 130 1568 - 4160 B3_MODE 98 - 259 1568 - 4144 B45_MODE 391 - 960 1564 - 3840 Signed-off-by:
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Antti Palosaari authored
That one seem to have 12-bit resolution. Use it for streams that has sampling rate 6 <= rate (Msps) < 8, between 6 and 8Msps. Signed-off-by:
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Antti Palosaari authored
Higher frequencies were not possible to set correctly as that value overflows. Signed-off-by:
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Antti Palosaari authored
It is not sure what is meaning of that number, but it is better to try do as Windows driver. It seems to have small effect for signal when looking FM FFT. Signed-off-by:
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Antti Palosaari authored
That one seems to have 14-bit ADC resolution, wow! It is now used when sampling rate is below 6 Msps. Signed-off-by:
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Antti Palosaari authored
Allow stepless synthesizer configuration. With that change we lose precision a little bit, as it is now between +-500Hz from the target. It could be better but on that case calculation algorithm goes more complex and atm there is more important things to do. Two approach to improve which comes to my mind are: 1) select and use biggest suitable step 2) use greatest common divisor algo to find divisor for thresh & frac when possible to avoid rounding errors, which is root of cause of current +-500Hz inaccuracy. Signed-off-by:
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Antti Palosaari authored
No need to compare numbers, we could just store that fractional value MSB directly. Signed-off-by:
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Antti Palosaari authored
Dump all unknown 'garbage' data - maybe we will discover someday if there is something rational... Also fix comment in USB frame description. Signed-off-by:
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Antti Palosaari authored
It is based Mirics MSi3101 reference design and will just work without any changes. Signed-off-by:
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Antti Palosaari authored
Restarting stream fails quite often. Small delay is between urb killing and stream stop command - likely to give harware some time to process killed urbs. Signed-off-by:
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Antti Palosaari authored
It looks like there is some extra data carried to enhance sampling results. When you tune to some some weak/empty channel those bits are always zeroes. When you tune to some channel where is very strong signals those bits are all zeroes. Examining those 32-bits reveals shortly there is 16 pieces of 2-bit numbers. Number seen are 0, 1 and 3 - for some reason 2 is not used. I used that number to shift bits given amount to left, "increasing" sampling resolution by 3-bits. It may be wrong, but after some testing it still provides better signal. Signed-off-by:
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Antti Palosaari authored
Whilst Quadrature Sampling is most common sampling technique used in radio technology there is others too. Add control user could select sampling mode. We currently support only quadrature sampling. Signed-off-by:
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Antti Palosaari authored
These calculations seem to give 100% correct results. Calculation formulas could be still a little bit wrong as I have no knowledge what kind of dividers, multipliers and VCO limits there really is. Signed-off-by:
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Antti Palosaari authored
Just fix wrong term name. No functional changes. Signed-off-by:
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Antti Palosaari authored
It is first Kernel software defined radio receiver driver. That device is sold as a digital television solution. MSi3101 is reference design which consists of two chips: 1) MSi2500 USB ADC 2) MSi001 RF-tuner Driver is put to staging as API is not ready. Signed-off-by:
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- 18 Aug, 2013 6 commits
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Mauro Carvalho Chehab authored
changeset d1e9b7c1 added a new ancilliary function to API, but forgot to add it to the corresponding header file. drivers/media/v4l2-core/v4l2-ctrls.c:568:18: warning: no previous prototype for 'v4l2_ctrl_get_int_menu' [-Wmissing-prototypes] const s64 const *v4l2_ctrl_get_int_menu(u32 id, u32 *len) Cc: Sylwester Nawrocki <s.nawrocki@samsung.com> Signed-off-by:
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Mauro Carvalho Chehab authored
drivers/media/platform/soc_camera/sh_mobile_ceu_camera.c: In function 'sh_mobile_ceu_clock_start': drivers/media/platform/soc_camera/sh_mobile_ceu_camera.c:613:6: warning: variable 'ret' set but not used [-Wunused-but-set-variable] Cc: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: -
Prathyush K authored
When gsc is in runtime suspended state, there is no need to call m2m_suspend during suspend and similarly, there is no need to call m2m_resume during resume if already in runtime suspended state. This patch adds the necessary conditions to achieve this. Signed-off-by:
Prathyush K <prathyush.k@samsung.com> Signed-off-by:
Arun Mankuzhi <arun.m@samsung.com> Signed-off-by:
Arun Kumar K <arun.kk@samsung.com> Signed-off-by:
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Sachin Kamat authored
__fimc_is_hw_update_param is used only in this file. Make it static. Signed-off-by:
Sachin Kamat <sachin.kamat@linaro.org> Signed-off-by:
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Sachin Kamat authored
dev->of_node could be NULL. Hence check for the same and return before dereferencing it in the subsequent error message. Signed-off-by:
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Andrzej Hajda authored
Resolution set on ISP pad of S5C73M3-OIF subdev should be propagated to source pad for TRY and ACTIVE formats. The patch adds missing propagation for TRY format. Signed-off-by:
Andrzej Hajda <a.hajda@samsung.com> Signed-off-by:
Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by:
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