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2014-09-29Revert "[media] media: em28xx - remove reset_resume interface"Mauro Carvalho Chehab1-0/+1
The reset_resume call is needed, otherwise it will break resume on some conditions, depending on the usb ehci/xhci controller. This reverts commit b89193e0b06f44f48e3bf897a5b5cb4a7aff3359. Reported-by: Johannes Stezenbach <js@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2014-09-22[media] em28xx-v4l: get rid of field "users" in struct em28xx_v4l2"Frank Schaefer2-13/+11
This reverts commit 747dba7de2a51a3db58b665ed3bc8c07921546ec. It breaks concurrent vbi and video capturing: While v4l2->users is the number of users of the whole device (all device nodes), v4l2_fh_is_singular() only checks the number of users of a specific device node. As a result. if one device node is open and a second device node is opened (closed), the device is reinitialized (streaming is stopped). Reported-by: Hans Verkuil <hans.verkuil@cisco.com> Tested-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com> Signed-off-by: Frank Schäfer <fschaefer.oss@googlemail.com> Cc: stable@vger.kernel.org Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2014-09-22[media] em28xx: fix VBI handling logicMauro Carvalho Chehab1-1/+1
When both VBI and video are streaming, and video stream is stopped, a subsequent trial to restart it will fail, because S_FMT will return -EBUSY. That prevents applications like zvbi to work properly. Please notice that, while this fix it fully for zvbi, the best is to get rid of streaming_users and res_get logic as a hole. However, this single-line patch is better to be merged at -stable. Cc: stable@vger.kernel.org Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2014-09-22[media] DocBook media: improve the poll() documentationHans Verkuil1-4/+19
The poll documentation was incomplete: document how events (POLLPRI) are handled and fix the documentation of what poll does for display devices and streaming I/O. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2014-09-22[media] DocBook media: fix the poll() 'no QBUF' documentationHans Verkuil1-2/+10
Clarify what poll() returns if STREAMON was called but not QBUF. Make explicit the different behavior for this scenario for capture and output devices. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2014-09-22[media] vb2: fix VBI/poll regressionHans Verkuil2-3/+18
The recent conversion of saa7134 to vb2 unconvered a poll() bug that broke the teletext applications alevt and mtt. These applications expect that calling poll() without having called VIDIOC_STREAMON will cause poll() to return POLLERR. That did not happen in vb2. This patch fixes that behavior. It also fixes what should happen when poll() is called when STREAMON is called but no buffers have been queued. In that case poll() will also return POLLERR, but only for capture queues since output queues will always return POLLOUT anyway in that situation. This brings the vb2 behavior in line with the old videobuf behavior. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2014-09-22[media] cx2341x: fix kernel oopsHans Verkuil1-0/+1
The v4l2_ctrl_config struct must be zeroed before passing it to v4l2_ctrl_new_custom(). This was always wrong, but with the recent v4l2-ctrls.c changes this is now much more likely to lead to a kernel bug. This is the only place where this struct wasn't initialized properly. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Reported-by: Pridvorov Andrey <ua0lnj@bk.ru> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2014-09-22[media] cx24123: fix kernel oops due to missing parent pointerHans Verkuil1-0/+1
When I try to set the TV standard to e.g. PAL on my Hauppauge WinTV-HVR3000 I get the following oops: 9464.262345] CX24123: detected CX24123 [ 9464.262526] BUG: unable to handle kernel NULL pointer dereference at 0000000000000230 [ 9464.262555] IP: [<ffffffff816676b5>] acpi_i2c_install_space_handler+0x15/0xc0 [ 9464.262576] PGD 0 [ 9464.262584] Oops: 0000 [#1] PREEMPT SMP [ 9464.262597] Modules linked in: cx24123 cx22702 cx88_dvb(+) videobuf_dvb cx88_vp3054_i2c cx88_blackbird cx8802 ir_lirc_codec ir_xmp_decoder ir_sanyo_decoder ir_jvc_decoder ir_mce_kbd_decoder ir_sharp_decoder lirc_dev ir_sony_decoder ir_rc6_decoder ir_nec_decoder ir_rc5_decoder rc_hauppauge wm8775 tuner_simple tuner_types tda9887 cx8800 cx88xx btcx_risc videobuf_dma_sg videobuf_core mt2131 s5h1409 tda8290 tuner cx25840 cx23885 altera_ci tda18271 altera_stapl videobuf2_dvb tveeprom cx2341x videobuf2_dma_sg dvb_core rc_core videobuf2_memops videobuf2_core v4l2_common videodev media nouveau x86_pkg_temp_thermal cfbfillrect cfbimgblt cfbcopyarea ttm drm_kms_helper processor button isci [ 9464.262786] CPU: 2 PID: 2417 Comm: modprobe Not tainted 3.17.0-rc1-telek #322 [ 9464.262796] Hardware name: ASUSTeK COMPUTER INC. Z9PE-D8 WS/Z9PE-D8 WS, BIOS 5404 02/10/2014 [ 9464.262807] task: ffff881097959ad0 ti: ffff88109967c000 task.ti: ffff88109967c000 [ 9464.262817] RIP: 0010:[<ffffffff816676b5>] [<ffffffff816676b5>] acpi_i2c_install_space_handler+0x15/0xc0 [ 9464.262834] RSP: 0018:ffff88109967fbd8 EFLAGS: 00010246 [ 9464.262843] RAX: 0000000000000000 RBX: ffff880892a89540 RCX: 0000000000000000 [ 9464.262853] RDX: 0000000080000001 RSI: ffff880892e75870 RDI: ffff880892a89540 [ 9464.262862] RBP: ffff88109967fbf8 R08: ffff881099b2ccc0 R09: ffff880891efa088 [ 9464.262872] R10: 0000000000000000 R11: 0000000000000022 R12: 0000000000000000 [ 9464.262883] R13: ffff880892a895b0 R14: 00000000ffffffed R15: ffff88089b48f800 [ 9464.262893] FS: 00007fe42b6d7700(0000) GS:ffff88089fc40000(0000) knlGS:0000000000000000 [ 9464.262904] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9464.262912] CR2: 0000000000000230 CR3: 0000001094078000 CR4: 00000000000407e0 [ 9464.262922] Stack: [ 9464.262927] ffff880892a89540 0000000000000000 ffff880892a895b0 ffff88109a155a80 [ 9464.262944] ffff88109967fc20 ffffffff81666a36 0000000000000020 ffff880892a89540 [ 9464.262960] ffffffffa01c8d40 ffff88109967fc40 ffffffff81666c67 ffff880892a89000 [ 9464.262977] Call Trace: [ 9464.262987] [<ffffffff81666a36>] i2c_register_adapter+0x166/0x340 [ 9464.262998] [<ffffffff81666c67>] i2c_add_adapter+0x57/0x60 [ 9464.263011] [<ffffffffa01e2c58>] cx24123_attach+0x108/0x1ba [cx24123] [ 9464.263025] [<ffffffffa01c5a76>] dvb_register+0x404/0x245b [cx88_dvb] [ 9464.263039] [<ffffffffa0059183>] ? videobuf_queue_core_init+0xe3/0x140 [videobuf_core] [ 9464.263052] [<ffffffffa01c54b1>] cx8802_dvb_probe+0x1e1/0x261 [cx88_dvb] [ 9464.263066] [<ffffffffa01a3b00>] cx8802_register_driver+0x190/0x20d [cx8802] [ 9464.263077] [<ffffffffa01cc000>] ? 0xffffffffa01cc000 [ 9464.263089] [<ffffffffa01cc025>] dvb_init+0x25/0x27 [cx88_dvb] [ 9464.263101] [<ffffffff810002c4>] do_one_initcall+0x84/0x1c0 [ 9464.263113] [<ffffffff811893fa>] ? __vunmap+0x9a/0x100 [ 9464.263125] [<ffffffff81122a66>] load_module+0x1216/0x1790 [ 9464.263134] [<ffffffff8111ff70>] ? __symbol_put+0x70/0x70 [ 9464.263145] [<ffffffff811aa8cc>] ? vfs_read+0x11c/0x170 [ 9464.263156] [<ffffffff811201d9>] ? copy_module_from_fd.isra.53+0x119/0x170 [ 9464.263168] [<ffffffff81123116>] SyS_finit_module+0x76/0x80 [ 9464.263181] [<ffffffff818d19e9>] system_call_fastpath+0x16/0x1b [ 9464.263190] Code: 81 31 c0 e8 2e f6 e8 ff 48 83 c4 08 5b 5d eb de 66 0f 1f 44 00 00 55 48 89 e5 41 56 41 55 41 54 53 41 be ed ff ff ff 48 8b 47 70 <48> 8b 80 30 02 00 00 48 85 c0 74 58 4c 8b 68 08 4d 85 ed 74 4f [ 9464.263347] RIP [<ffffffff816676b5>] acpi_i2c_install_space_handler+0x15/0xc0 [ 9464.263361] RSP <ffff88109967fbd8> [ 9464.263367] CR2: 0000000000000230 [ 9464.266919] ---[ end trace 57fd490bdb72e733 ]--- I traced this to a NULL i2c_adapter parent pointer when cx24123 creates its own i2c adapter. The acpi_i2c_install_space_handler function appeared in 3.17, so that's probably why this hasn't been seen before. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2014-09-22[media] adv7604: fix inverted conditionHans Verkuil1-1/+1
The log_status function should show HDMI information, but the test checking for an HDMI input was inverted. Fix this. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Cc: stable@vger.kernel.org # for v3.12 and up Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2014-09-22[media] media/radio: fix radio-miropcm20.c build with io.h header fileRandy Dunlap1-0/+1
Fix build errors in radio-miropcm20.c due to missing header file: drivers/media/radio/radio-miropcm20.c: In function 'rds_waitread': drivers/media/radio/radio-miropcm20.c:90:3: error: implicit declaration of function 'inb' [-Werror=implicit-function-declaration] drivers/media/radio/radio-miropcm20.c: In function 'rds_rawwrite': drivers/media/radio/radio-miropcm20.c:106:3: error: implicit declaration of function 'outb' [-Werror=implicit-function-declaration] Reported-by: Jim Davis <jim.epost@gmail.com> Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2014-09-22[media] vb2: fix plane index sanity check in vb2_plane_cookie()Zhaowei Yuan1-1/+1
It's also invalid when plane_no is equal to vb->num_planes Signed-off-by: Zhaowei Yuan <zhaowei.yuan@samsung.com> Cc: stable@vger.kernel.org # for v3.7 and up Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2014-09-22[media] DocBook media: update version number and V4L2 changesHans Verkuil2-5/+30
Note: the revision text for the v4l2_pix_format change from Laurent erroneously mentioned 3.16 when it only got merged for 3.17. Fixed that as well. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2014-09-22[media] DocBook media: fix fieldname in struct v4l2_subdev_selectionHans Verkuil1-1/+1
Field 'rect' is really named 'r'. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2014-09-22[media] vb2: fix vb2 state check when start_streaming failsHans Verkuil1-7/+10
Commit bd994ddb2a12a3ff48cd549ec82cdceaea9614df (vb2: Fix stream start and buffer completion race) broke the buffer state check in vb2_buffer_done. So accept all three possible states there since I can no longer tell the difference between vb2_buffer_done called from start_streaming or from elsewhere. Instead add a WARN_ON at the end of start_streaming that will check whether any buffers were added to the done list, since that implies that the wrong state was used as well. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: stable@vger.kernel.org # for v3.15 and up Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2014-09-22[media] videobuf2-core.h: fix commentHans Verkuil1-1/+1
The comment for start_streaming that tells the developer with which vb2 state buffers should be returned to vb2 gave the wrong state. Very confusing. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2014-09-22[media] videobuf2-core: add comments before the WARN_ONHans Verkuil1-0/+12
Recently WARN_ON() calls have been added to warn if the driver is not properly returning buffers to vb2 in start_streaming (if it fails) or stop_streaming(). Add comments before those WARN_ON calls that refer to the videobuf2-core.h header that explains what drivers are supposed to do in these situations. That should help point developers in the right direction if they see these warnings. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Acked-by: Pawel Osciak <pawel@osciak.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2014-09-22[media] videobuf2-dma-sg: fix for wrong GFP mask to sg_alloc_table_from_pagesHans Verkuil1-1/+1
sg_alloc_table_from_pages() only allocates a sg_table, so it should just use GFP_KERNEL, not gfp_flags. If gfp_flags contains __GFP_DMA32 then mm/sl[au]b.c will call BUG_ON: [ 358.027515] ------------[ cut here ]------------ [ 358.027546] kernel BUG at mm/slub.c:1416! [ 358.027558] invalid opcode: 0000 [#1] PREEMPT SMP [ 358.027576] Modules linked in: mt2131 s5h1409 tda8290 tuner cx25840 cx23885 btcx_risc altera_ci tda18271 altera_stapl videobuf2_dvb tveeprom cx2341x videobuf2_dma_sg dvb_core rc_core videobuf2_memops videobuf2_core nouveau zr36067 videocodec v4l2_common videodev media x86_pkg_temp_thermal cfbfillrect cfbimgblt cfbcopyarea ttm drm_kms_helper processor button isci [ 358.027712] CPU: 19 PID: 3654 Comm: cat Not tainted 3.16.0-rc6-telek #167 [ 358.027723] Hardware name: ASUSTeK COMPUTER INC. Z9PE-D8 WS/Z9PE-D8 WS, BIOS 5404 02/10/2014 [ 358.027741] task: ffff880897c7d960 ti: ffff88089b4d4000 task.ti: ffff88089b4d4000 [ 358.027753] RIP: 0010:[<ffffffff81196040>] [<ffffffff81196040>] new_slab+0x280/0x320 [ 358.027776] RSP: 0018:ffff88089b4d7ae8 EFLAGS: 00010002 [ 358.027787] RAX: ffff880897c7d960 RBX: 0000000000000000 RCX: ffff88089b4d7b50 [ 358.027798] RDX: 00000000ffffffff RSI: 0000000000000004 RDI: ffff88089f803b00 [ 358.027809] RBP: ffff88089b4d7bb8 R08: 0000000000000000 R09: 0000000100400040 [ 358.027821] R10: 0000160000000000 R11: ffff88109bc02c40 R12: 0000000000000001 [ 358.027832] R13: ffff88089f8000c0 R14: ffff88089f803b00 R15: ffff8810bfcf4be0 [ 358.027845] FS: 00007f83fe5c0700(0000) GS:ffff8810bfce0000(0000) knlGS:0000000000000000 [ 358.027858] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 358.027868] CR2: 0000000001dfd568 CR3: 0000001097d5a000 CR4: 00000000000407e0 [ 358.027878] Stack: [ 358.027885] ffffffff81198860 ffff8810bfcf4be0 ffff880897c7d960 0000000000001b00 [ 358.027905] ffff880897c7d960 0000000000000000 ffff8810bfcf4bf0 0000000000000000 [ 358.027924] 0000000000000000 0000000100000100 ffffffff813ef84a 00000004ffffffff [ 358.027944] Call Trace: [ 358.027956] [<ffffffff81198860>] ? __slab_alloc+0x400/0x4e0 [ 358.027973] [<ffffffff813ef84a>] ? sg_kmalloc+0x1a/0x30 [ 358.027985] [<ffffffff81198f17>] __kmalloc+0x127/0x150 [ 358.027997] [<ffffffff813ef84a>] ? sg_kmalloc+0x1a/0x30 [ 358.028009] [<ffffffff813ef84a>] sg_kmalloc+0x1a/0x30 [ 358.028023] [<ffffffff813eff84>] __sg_alloc_table+0x74/0x180 [ 358.028035] [<ffffffff813ef830>] ? sg_kfree+0x20/0x20 [ 358.028048] [<ffffffff813f00af>] sg_alloc_table+0x1f/0x60 [ 358.028061] [<ffffffff813f0174>] sg_alloc_table_from_pages+0x84/0x1f0 [ 358.028077] [<ffffffffa007c3f9>] vb2_dma_sg_alloc+0x159/0x230 [videobuf2_dma_sg] [ 358.028095] [<ffffffffa003d55a>] __vb2_queue_alloc+0x10a/0x680 [videobuf2_core] [ 358.028113] [<ffffffffa003e110>] __reqbufs.isra.14+0x220/0x3e0 [videobuf2_core] [ 358.028130] [<ffffffffa003e79d>] __vb2_init_fileio+0xbd/0x380 [videobuf2_core] [ 358.028147] [<ffffffffa003f563>] __vb2_perform_fileio+0x5b3/0x6e0 [videobuf2_core] [ 358.028164] [<ffffffffa003f871>] vb2_fop_read+0xb1/0x100 [videobuf2_core] [ 358.028184] [<ffffffffa06dd2e5>] v4l2_read+0x65/0xb0 [videodev] [ 358.028198] [<ffffffff811a243f>] vfs_read+0x8f/0x170 [ 358.028210] [<ffffffff811a30a1>] SyS_read+0x41/0xb0 [ 358.028224] [<ffffffff818f02e9>] system_call_fastpath+0x16/0x1b [ 358.028234] Code: 66 90 e9 dc fd ff ff 0f 1f 40 00 41 8b 4d 68 e9 d5 fe ff ff 0f 1f 80 00 00 00 00 f0 41 80 4d 00 40 e9 03 ff ff ff 0f 1f 44 00 00 <0f> 0b 66 0f 1f 44 00 00 44 89 c6 4c 89 45 d0 e8 0c 82 ff ff 48 [ 358.028415] RIP [<ffffffff81196040>] new_slab+0x280/0x320 [ 358.028432] RSP <ffff88089b4d7ae8> [ 358.032208] ---[ end trace 6443240199c706e4 ]--- Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Cc: stable@vger.kernel.org # for v3.13 and up Acked-by: Marek Szyprowski <m.szyprowski@samsung.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2014-09-04[media] af9035: new IDs: add support for PCTV 78e and PCTV 79eMalcolm Priestley2-0/+6
add the following IDs USB_PID_PCTV_78E (0x025a) for PCTV 78e USB_PID_PCTV_79E (0x0262) for PCTV 79e For these it9135 devices. Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com> Cc: Antti Palosaari <crope@iki.fi> Cc: <stable@vger.kernel.org> # v3.14+ Signed-off-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-09-04[media] af9033: feed clock to RF tunerAntti Palosaari1-0/+13
IT9135 RF tuner clock is coming from demodulator. We need enable it early in demod init, before any tuner I/O. Currently it is enabled by tuner driver itself, but it is too late and performance will be reduced as some registers are not updated correctly. Clock is disabled automatically when demod is put onto sleep. Cc: <stable@vger.kernel.org> # v3.15+ Cc: Bimow Chen <Bimow.Chen@ite.com.tw> Signed-off-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-09-04[media] it913x: init tuner on attachBimow Chen1-0/+6
That register is needed to program very first in order to operate correctly. [crope@iki.fi: returned sequence back, removed sleep, moved reg write earlier to prevent populating tuner ops in case of failure] Cc: <stable@vger.kernel.org> # v3.15+ Signed-off-by: Bimow Chen <Bimow.Chen@ite.com.tw> Signed-off-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-09-04[media] af9033: update IT9135 tuner inittabsBimow Chen1-11/+9
Update IT9135 BX tuner config 60 and 61 inittabs. [crope@iki.fi: removed two reg writes from driver init itself] Cc: <stable@vger.kernel.org> # v3.15+ Signed-off-by: Bimow Chen <Bimow.Chen@ite.com.tw> Signed-off-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-09-04[media] Kconfig: do not select SPI bus on sub-driver auto-selectAntti Palosaari1-1/+0
We should not select SPI bus when sub-driver auto-select is selected. That option is meant for auto-selecting all possible ancillary drivers used for selected board driver. Ancillary drivers should define needed dependencies itself. I2C and I2C_MUX are still selected here for a reason described on commit 347f7a3763601d7b466898d1f10080b7083ac4a3 Reverts commit e4462ffc1602d9df21c00a0381dca9080474e27a Reported-by: Jeff Mahoney <jeffm@suse.com> Signed-off-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-09-03[media] cx18: fix kernel oops with tda8290 tunerHans Verkuil1-0/+1
This was caused by an uninitialized setup.config field. Based on a suggestion from Devin Heitmueller. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Thanks-to: Devin Heitmueller <dheitmueller@kernellabs.com> Reported-by: Scott Robinson <scott.robinson55@gmail.com> Tested-by: Hans Verkuil <hans.verkuil@cisco.com> Cc: stable@vger.kernel.org # for v3.10 and up Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-09-03[media] smiapp: Set sub-device ownerSakari Ailus1-1/+1
The smiapp driver is the owner of the sub-devices exposed by the smiapp driver. This prevents unloading the module whilst it's in use. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-09-03[media] smiapp: Fix power count handlingSakari Ailus1-9/+2
The sensor may be powered by either one of its sub-devices being accessed from the user space (an open file handle) or by its s_power() op being called with non-zero on argument. The driver counts the users and if any reason to keep the device powered exists it will be powered. However, a faulty condition was used in recognising the need to power off the sensor, leading it to be powered off every time any of its uses went away. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
2014-08-16Linux 3.17-rc1v3.17-rc1Linus Torvalds1-2/+2
2014-08-16Merge branch 'for_linus' of git://cavan.codon.org.uk/platform-drivers-x86Linus Torvalds24-108/+608
Pull x86 platform driver updates from Matthew Garrett: "A moderate number of changes, but nothing awfully significant. A lot of const cleanups, some reworking and additions to the rfkill quirks in the asus driver, a new driver for generating falling laptop events on Toshibas and some misc fixes. Maybe vendors have stopped inventing things" * 'for_linus' of git://cavan.codon.org.uk/platform-drivers-x86: (41 commits) platform/x86: Enable build support for toshiba_haps Documentation: Add file about toshiba_haps module platform/x86: Toshiba HDD Active Protection Sensor asus-nb-wmi: Add wapf4 quirk for the U32U alienware-wmi: make hdmi_mux enabled on case-by-case basis ideapad-laptop: Constify DMI table and other r/o variables asus-nb-wmi.c: Rename x401u quirk to wapf4 compal-laptop: correct invalid hwmon name toshiba_acpi: Add Qosmio X75-A to the alt keymap dmi list toshiba_acpi: Add extra check to backlight code Fix log message about future removal of interface ideapad-laptop: Disable touchpad interface on Yoga models asus-nb-wmi: Add wapf4 quirk for the X550CC intel_ips: Make ips_mcp_limits variables static thinkpad_acpi: Mark volume_alsa_control_{vol,mute} as __initdata fujitsu-laptop: Mark fujitsu_dmi_table[] DMI table as __initconst hp-wmi: Add missing __init annotations to initialization code hp_accel: Constify ACPI and DMI tables fujitsu-tablet: Mark DMI callbacks as __init code dell-laptop: Mark dell_quirks[] DMI table as __initconst ...
2014-08-16Merge branch 'release' of ↵Linus Torvalds3-41/+119
git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux Pull idle update from Len Brown: "Two Intel-platform-specific updates to intel_idle, and a cosmetic tweak to the turbostat utility" * 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux: tools/power turbostat: tweak whitespace in output format intel_idle: Broadwell support intel_idle: Disable Baytrail Core and Module C6 auto-demotion
2014-08-16Merge tag 'fixes-for-linus' of ↵Linus Torvalds1-0/+5
git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux Pull module fix from Rusty Russell: "Nasty potential bug if someone uses a known module param with an invalid value (we don't fail unknown module params any more, just warn)" * tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux: module: Clean up ro/nx after early module load failures
2014-08-16Merge branch 'rng-queue' of ↵Linus Torvalds1-0/+1
git://git.kernel.org/pub/scm/linux/kernel/git/amit/virtio Pull virtio-rng update from Amit Shah: "Add derating factor for use by hwrng core Sending directly to you with the commit log changes Ted Ts'o pointed out. Not sure if Rusty's back after his travel, but this already has his s-o-b" * 'rng-queue' of git://git.kernel.org/pub/scm/linux/kernel/git/amit/virtio: virtio: rng: add derating factor for use by hwrng core
2014-08-16Merge branch 'for-linus2' of ↵Linus Torvalds17-305/+541
git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs Pull btrfs updates from Chris Mason: "These are all fixes I'd like to get out to a broader audience. The biggest of the bunch is Mark's quota fix, which is also in the SUSE kernel, and makes our subvolume quotas dramatically more accurate. I've been running xfstests with these against your current git overnight, but I'm queueing up longer tests as well" * 'for-linus2' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux-btrfs: btrfs: disable strict file flushes for renames and truncates Btrfs: fix csum tree corruption, duplicate and outdated checksums Btrfs: Fix memory corruption by ulist_add_merge() on 32bit arch Btrfs: fix compressed write corruption on enospc btrfs: correctly handle return from ulist_add btrfs: qgroup: account shared subtrees during snapshot delete Btrfs: read lock extent buffer while walking backrefs Btrfs: __btrfs_mod_ref should always use no_quota btrfs: adjust statfs calculations according to raid profiles
2014-08-16Merge tag 'locks-v3.17-2' of git://git.samba.org/jlayton/linuxLinus Torvalds2-30/+62
Pull file locking bugfixes from Jeff Layton: "Most of these patches are to fix a long-standing regression that crept in when the BKL was removed from the file-locking code. The code was converted to use a conventional spinlock, but some fl_release_private ops can block and you can end up sleeping inside the lock. There's also a patch to make /proc/locks show delegations as 'DELEG'" * tag 'locks-v3.17-2' of git://git.samba.org/jlayton/linux: locks: update Locking documentation to clarify fl_release_private behavior locks: move locks_free_lock calls in do_fcntl_add_lease outside spinlock locks: defer freeing locks in locks_delete_lock until after i_lock has been dropped locks: don't reuse file_lock in __posix_lock_file locks: don't call locks_release_private from locks_copy_lock locks: show delegations as "DELEG" in /proc/locks
2014-08-16Merge git://git.kvack.org/~bcrl/aio-nextLinus Torvalds1-56/+30
Pull aio updates from Ben LaHaise. * git://git.kvack.org/~bcrl/aio-next: aio: use iovec array rather than the single one aio: fix some comments aio: use the macro rather than the inline magic number aio: remove the needless registration of ring file's private_data aio: remove no longer needed preempt_disable() aio: kill the misleading rcu read locks in ioctx_add_table() and kill_ioctx() aio: change exit_aio() to load mm->ioctx_table once and avoid rcu_read_lock()
2014-08-16platform/x86: Enable build support for toshiba_hapsAzael Avalos2-0/+20
Makefile and Kconfig build support patch for the newly introduced kernel module toshiba_haps. Signed-off-by: Azael Avalos <coproscefalo@gmail.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
2014-08-16Documentation: Add file about toshiba_haps moduleAzael Avalos2-0/+78
This patch provides information about the Toshiba HDD Active Protection Sensor driver module toshiba_haps. Signed-off-by: Azael Avalos <coproscefalo@gmail.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
2014-08-16platform/x86: Toshiba HDD Active Protection SensorAzael Avalos1-0/+265
This driver adds support for the built-in accelereometer found on recent Toshiba laptops with HID TOS620A. This driver receives ACPI notify events 0x80 when the sensor detects a sudden move or a harsh vibration, as well as an ACPI notify event 0x81 whenever the movement or vibration has been stabilized. Also provides sysfs entries to get/set the desired protection level and reseting the HDD protection interface. Signed-off-by: Azael Avalos <coproscefalo@gmail.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
2014-08-16asus-nb-wmi: Add wapf4 quirk for the U32UHans de Goede1-0/+14
As reported here: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1173681 the U32U needs wapf=4 too. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
2014-08-16alienware-wmi: make hdmi_mux enabled on case-by-case basisMario Limonciello1-2/+20
Not all HW supporting WMAX method will support the HDMI mux feature. Explicitly quirk the HW that does support it. Signed-off-by: Mario Limonciello <mario_limonciello@dell.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
2014-08-16ideapad-laptop: Constify DMI table and other r/o variablesMathias Krause1-2/+2
Constify the rfkill_blacklist[] DMI table, the ideapad_rfk_data[] table and the ideapad_attribute_group attribute group. There's no need to have them writeable during runtime. Signed-off-by: Mathias Krause <minipli@googlemail.com> Cc: Ike Panhc <ike.pan@canonical.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
2014-08-16asus-nb-wmi.c: Rename x401u quirk to wapf4Hans de Goede1-13/+13
The actual x401u does not use the so named x401u quirk but the x55u quirk. All that the x401u quirk does it setting wapf to 4, so rename it to wapf4 to stop the confusion. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
2014-08-16compal-laptop: correct invalid hwmon nameRoald Frederickx1-1/+1
Change the name of the hwmon interface from "compal-laptop" to "compal". A dash is an invalid character for a hwmon name and caused the call to hwmon_device_register_with_groups() to fail. Signed-off-by: Roald Frederickx <roald.frederickx@gmail.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
2014-08-16toshiba_acpi: Add Qosmio X75-A to the alt keymap dmi listAzael Avalos1-0/+7
The Toshiba Qosmio X75-A series models also come with the new keymap layout. This patch adds this model to the alt_keymap_dmi list, along with an extra key found on these models. Signed-off-by: Azael Avalos <coproscefalo@gmail.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
2014-08-16toshiba_acpi: Add extra check to backlight codeAzael Avalos1-4/+17
Some Toshiba models (most notably Qosmios) come with an incomplete backlight method where the AML code doesn't check for write or read commands and always returns HCI_SUCCESS and the actual brightness (and in some cases the max brightness), thus allowing the backlight interface to be registered without write support. This patch changes the set_lcd_brightness function, checking the returned values for values greater than zero to avoid registering a broken backlight interface. Signed-off-by: Azael Avalos <coproscefalo@gmail.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
2014-08-16Fix log message about future removal of interfaceMartin Kepplinger1-3/+3
If this is going away, it won't be in 2012. Signed-off-by: Martin Kepplinger <martink@posteo.de> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
2014-08-16ideapad-laptop: Disable touchpad interface on Yoga modelsHans de Goede1-0/+27
Yoga models don't offer touchpad ctrl through the ideapad interface, causing ideapad_sync_touchpad_state to send wrong touchpad enable/disable events. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
2014-08-16asus-nb-wmi: Add wapf4 quirk for the X550CCHans de Goede1-0/+9
As reported here: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1173681 the X550CC needs wapf=4 too. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
2014-08-16intel_ips: Make ips_mcp_limits variables staticMathias Krause1-3/+3
These variables don't need to be visible outside of this compilation unit, make them static. Signed-off-by: Mathias Krause <minipli@googlemail.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
2014-08-16thinkpad_acpi: Mark volume_alsa_control_{vol,mute} as __initdataMathias Krause1-2/+2
Mark volume_alsa_control_vol and volume_alsa_control_mute as __initdata, as snd_ctl_new1() will copy the relevant parts, so there is no need to keep the master copies around after initialization. Signed-off-by: Mathias Krause <minipli@googlemail.com> Cc: Henrique de Moraes Holschuh <ibm-acpi@hmh.eng.br> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
2014-08-16fujitsu-laptop: Mark fujitsu_dmi_table[] DMI table as __initconstMathias Krause1-5/+5
The DMI table is only ever used during initialization. Mark it as __initconst so its memory can be released afterwards -- roughly 1.5 kB. In turn, the callback functions can be marked with __init, too. Signed-off-by: Mathias Krause <minipli@googlemail.com> Cc: Jonathan Woithe <jwoithe@just42.net> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
2014-08-16hp-wmi: Add missing __init annotations to initialization codeMathias Krause1-3/+3
These functions are only called from other initialization routines, so can be marked __init, too. Signed-off-by: Mathias Krause <minipli@googlemail.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
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