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linux/drivers/media/i2c
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Akinobu Mita 12f6153d45 media: ov7670: don't access registers when the device is powered off 
Since commit 3d6a8fe25605 ("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: 3d6a8fe25605 ("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: Lubomir Rintel <lkundrak@v3.sk>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2019-03-20 06:34:09 -04:00
..
adv748x
media: i2c: adv748x: Remove PAGE_WAIT
2019-02-18 11:25:30 -05:00
cx25840
media: i2c: fix several typos
2019-03-01 09:29:58 -05:00
et8ek8
media: i2c: fix several typos
2019-03-01 09:29:58 -05:00
m5mols
media: i2c: fix several typos
2019-03-01 09:29:58 -05:00
s5c73m3
media: i2c: fix several typos
2019-03-01 09:29:58 -05:00
smiapp
media: smiapp: Query the V4L2 endpoint for a specific bus type
2018-10-04 16:24:25 -04:00
ad5820.c
media: replace strcpy() by strscpy()
2018-09-11 13:32:17 -04:00
ad9389b.c
media: adv*/tc358743/ths8200: fill in min width/height/pixelclock
2018-11-23 06:20:55 -05:00
adp1653.c
[media] media: Drop FSF's postal address from the source code files
2017-01-27 11:38:09 -02:00
adv7170.c
[media] adv7170: drop redundant ret local
2017-01-30 15:47:05 -02:00
adv7175.c
media: i2c: fix several typos
2019-03-01 09:29:58 -05:00
adv7180.c
media: adv7180: add g_skip_frames support
2018-12-03 14:26:27 -05:00
adv7183_regs.h
scripts/spelling.txt: add "swithc" pattern and fix typo instances
2017-02-27 18:43:46 -08:00
adv7183.c
[media] media: Drop FSF's postal address from the source code files
2017-01-27 11:38:09 -02:00
adv7343_regs.h
…
adv7343.c
media: fix usage of whitespaces and on indentation
2018-01-04 13:12:01 -05:00
adv7393_regs.h
…
adv7393.c
media: fix usage of whitespaces and on indentation
2018-01-04 13:12:01 -05:00
adv7511.c
media fixes for v4.20-rc8
2018-12-25 13:00:14 -08:00
adv7604.c
media fixes for v4.20-rc8
2018-12-25 13:00:14 -08:00
adv7842.c
media: i2c: fix several typos
2019-03-01 09:29:58 -05:00
ak881x.c
media: v4l: Remove support for crop default target in subdev drivers
2018-10-03 11:58:24 -04:00
ak7375.c
media: ak7375: Add ak7375 lens voice coil driver
2018-07-04 07:13:34 -04:00
aptina-pll.c
[media] media: Drop FSF's postal address from the source code files
2017-01-27 11:38:09 -02:00
aptina-pll.h
[media] media: Drop FSF's postal address from the source code files
2017-01-27 11:38:09 -02:00
bt819.c
media: i2c: fix several typos
2019-03-01 09:29:58 -05:00
bt856.c
[media] media: Drop FSF's postal address from the source code files
2017-01-27 11:38:09 -02:00
bt866.c
Replace <asm/uaccess.h> with <linux/uaccess.h> globally
2016-12-24 11:46:01 -08:00
cs53l32a.c
media: use strscpy() instead of strlcpy()
2018-09-11 13:32:17 -04:00
cs3308.c
[media] media/i2c: Delete owner assignment
2016-09-06 16:21:24 -03:00
cs5345.c
[media] media: Drop FSF's postal address from the source code files
2017-01-27 11:38:09 -02:00
dw9714.c
media: ipu3-cio2, dw9714: Remove Jian Xu's e-mail
2019-01-16 13:34:01 -05:00
dw9807-vcm.c
media: dw9807-vcm: Fix probe error handling
2018-10-08 11:51:31 -04:00
imx214.c
media: i2c: fix several typos
2019-03-01 09:29:58 -05:00
imx258.c
media: unify some sony camera sensors pattern naming
2018-12-05 06:34:26 -05:00
imx274.c
media: i2c: fix several typos
2019-03-01 09:29:58 -05:00
imx319.c
media: unify some sony camera sensors pattern naming
2018-12-05 06:34:26 -05:00
imx355.c
media: unify some sony camera sensors pattern naming
2018-12-05 06:34:26 -05:00
ir-kbd-i2c.c
media: rc: probe zilog transmitter when zilog receiver is found
2018-05-04 08:22:36 -04:00
Kconfig
media: i2c: adv748x: select V4L2_FWNODE
2019-03-19 16:35:09 -04:00
ks0127.c
media: replace all <spaces><tab> occurrences
2018-01-04 13:15:05 -05:00
ks0127.h
[media] media: Drop FSF's postal address from the source code files
2017-01-27 11:38:09 -02:00
lm3560.c
media: i2c: fix several typos
2019-03-01 09:29:58 -05:00
lm3646.c
media: i2c: fix several typos
2019-03-01 09:29:58 -05:00
m52790.c
[media] media: Drop FSF's postal address from the source code files
2017-01-27 11:38:09 -02:00
Makefile
media: soc_camera: Move to the staging tree
2019-02-18 12:09:19 -05:00
max2175.c
media: i2c: max2175: convert to SPDX identifiers
2018-09-12 10:51:18 -04:00
max2175.h
media: i2c: max2175: convert to SPDX identifiers
2018-09-12 10:51:18 -04:00
ml86v7667.c
[media] drivers: media: i2c: ml86v7667: constify v4l2_subdev_* structures
2017-02-03 09:34:43 -02:00
msp3400-driver.c
media: i2c: fix several typos
2019-03-01 09:29:58 -05:00
msp3400-driver.h
media: msp3400: declare its own pads
2018-09-17 13:16:19 -04:00
msp3400-kthreads.c
treewide: Align function definition open/close braces
2018-03-26 11:13:09 +02:00
mt9m001.c
media: mt9m001: set all mbus format field when G_FMT and S_FMT ioctls
2019-01-25 10:59:51 -02:00
mt9m032.c
media: media/i2c: add missing entity functions
2018-07-25 08:04:00 -04:00
mt9m111.c
media: mt9m111: set initial frame size other than 0x0
2019-01-25 11:01:12 -02:00
mt9p031.c
media: media/i2c: add missing entity functions
2018-07-25 08:04:00 -04:00
mt9t001.c
media: media/i2c: add missing entity functions
2018-07-25 08:04:00 -04:00
mt9t112.c
media: i2c: fix several typos
2019-03-01 09:29:58 -05:00
mt9v011.c
media: convert g/s_parm to g/s_frame_interval in subdevs
2018-02-22 12:27:35 -05:00
mt9v032.c
media: v4l: fwnode: Initialise the V4L2 fwnode endpoints to zero
2018-10-04 16:21:02 -04:00
mt9v111.c
media: i2c: mt9v111: Fix v4l2-ctrl error handling
2018-09-12 06:44:01 -04:00
noon010pc30.c
media: v4l: i2c: Add a comment not to use static sub-device names in the future
2018-10-03 11:55:44 -04:00
ov772x.c
media: ov772x: support log_status ioctl and event interface
2018-11-23 04:47:45 -05:00
ov2640.c
media: ov2640: fix initial try format
2019-01-25 11:02:04 -02:00
ov2659.c
media: v4l: fwnode: Let the caller provide V4L2 fwnode endpoint
2018-10-04 16:08:09 -04:00
ov2680.c
media: ov2680: fix null dereference at power on
2018-11-23 05:16:29 -05:00
ov2685.c
media: i2c: Fix pm_runtime_get_if_in_use() usage in sensor drivers
2018-08-31 09:23:53 -04:00
ov5640.c
media: i2c: fix several typos
2019-03-01 09:29:58 -05:00
ov5645.c
media: ov5645: constify v4l2_ctrl_ops structure
2018-11-06 07:16:38 -05:00
ov5647.c
media: v4l: fwnode: Initialise the V4L2 fwnode endpoints to zero
2018-10-04 16:21:02 -04:00
ov5670.c
media: i2c: Fix pm_runtime_get_if_in_use() usage in sensor drivers
2018-08-31 09:23:53 -04:00
ov5695.c
media: i2c: Fix pm_runtime_get_if_in_use() usage in sensor drivers
2018-08-31 09:23:53 -04:00
ov6650.c
media: i2c: fix several typos
2019-03-01 09:29:58 -05:00
ov7251.c
media: v4l: mediabus: Recognise CSI-2 D-PHY and C-PHY
2018-10-04 16:06:15 -04:00
ov7640.c
[media] media: Drop FSF's postal address from the source code files
2017-01-27 11:38:09 -02:00
ov7670.c
media: ov7670: don't access registers when the device is powered off
2019-03-20 06:34:09 -04:00
ov7740.c
media: i2c: fix several typos
2019-03-01 09:29:58 -05:00
ov8856.c
media: ov8856: Modify ov8856 register reading function to be simplified
2019-01-25 10:46:03 -02:00
ov9640.c
media: ov9640: Wrap long and unwrap short lines, align wrapped lines correctly
2019-01-16 13:32:34 -05:00
ov9640.h
media: i2c: ov9640: add missing SPDX identifiers
2019-01-16 13:30:44 -05:00
ov9650.c
media: i2c: fix several typos
2019-03-01 09:29:58 -05:00
ov13858.c
media: ov13858: Check for possible null pointer
2018-11-06 07:15:53 -05:00
rj54n1cb0c.c
media: v4l: Remove support for crop default target in subdev drivers
2018-10-03 11:58:24 -04:00
s5k4ecgx.c
media: s5k4ecgx: delete a bogus error message
2019-01-25 11:01:42 -02:00
s5k5baf.c
media: v4l: fwnode: Initialise the V4L2 fwnode endpoints to zero
2018-10-04 16:21:02 -04:00
s5k6a3.c
media: s5k6a3: document some fields at struct s5k6a3
2017-11-30 04:18:57 -05:00
s5k6aa.c
media: i2c: fix several typos
2019-03-01 09:29:58 -05:00
saa711x_regs.h
MAINTAINERS & files: Canonize the e-mails I use at files
2018-05-04 06:21:06 -04:00
saa717x.c
media: i2c: fix several typos
2019-03-01 09:29:58 -05:00
saa6588.c
[poll] annotate SAA6588_CMD_POLL users
2018-02-15 13:11:48 -05:00
saa6752hs.c
media: replace all <spaces><tab> occurrences
2018-01-04 13:15:05 -05:00
saa7110.c
[media] media: Drop FSF's postal address from the source code files
2017-01-27 11:38:09 -02:00
saa7115.c
media: i2c: fix several typos
2019-03-01 09:29:58 -05:00
saa7127.c
media: use strscpy() instead of strlcpy()
2018-09-11 13:32:17 -04:00
saa7185.c
[media] media: Drop FSF's postal address from the source code files
2017-01-27 11:38:09 -02:00
smiapp-pll.c
[media] smiapp-pll: Don't complain aloud about failing PLL calculation
2016-10-21 15:15:06 -02:00
smiapp-pll.h
…
sony-btf-mpx.c
[media] media: Drop FSF's postal address from the source code files
2017-01-27 11:38:09 -02:00
sr030pc30.c
media: sr030pc30: remove NULL in sr030pc30_base_config()
2018-09-17 15:19:10 -04:00
tc358743_regs.h
media: i2c: add SPDX license info
2018-02-14 13:16:31 -05:00
tc358743.c
media fixes for v4.20-rc8
2018-12-25 13:00:14 -08:00
tda1997x_regs.h
media: i2c: fix several typos
2019-03-01 09:29:58 -05:00
tda1997x.c
media: tda1997x: fix get_edid
2019-02-18 15:27:35 -05:00
tda7432.c
media: tda7432: fix spelling mistake "maximium" -> "maximum"
2018-12-03 14:44:54 -05:00
tda9840.c
media: i2c: fix several typos
2019-03-01 09:29:58 -05:00
tea6415c.c
media: i2c: fix several typos
2019-03-01 09:29:58 -05:00
tea6415c.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
tea6420.c
media: i2c: fix several typos
2019-03-01 09:29:58 -05:00
tea6420.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
ths7303.c
media: replace all <spaces><tab> occurrences
2018-01-04 13:15:05 -05:00
ths8200_regs.h
…
ths8200.c
media: adv*/tc358743/ths8200: fill in min width/height/pixelclock
2018-11-23 06:20:55 -05:00
tlv320aic23b.c
[media] media: Drop FSF's postal address from the source code files
2017-01-27 11:38:09 -02:00
tvaudio.c
media: i2c: fix several typos
2019-03-01 09:29:58 -05:00
tvp514x_regs.h
[media] media: Drop FSF's postal address from the source code files
2017-01-27 11:38:09 -02:00
tvp514x.c
media: i2c: fix several typos
2019-03-01 09:29:58 -05:00
tvp5150_reg.h
media: tvp5150: Add sync lock interrupt handling
2018-09-17 13:30:28 -04:00
tvp5150.c
media: tvp5150: fix irq_request error path during probe
2018-12-05 04:40:10 -05:00
tvp7002_reg.h
MAINTAINERS & files: Canonize the e-mails I use at files
2018-05-04 06:21:06 -04:00
tvp7002.c
media: v4l: fwnode: Initialise the V4L2 fwnode endpoints to zero
2018-10-04 16:21:02 -04:00
tw2804.c
[media] media: Drop FSF's postal address from the source code files
2017-01-27 11:38:09 -02:00
tw9903.c
[media] media: Drop FSF's postal address from the source code files
2017-01-27 11:38:09 -02:00
tw9906.c
[media] media: Drop FSF's postal address from the source code files
2017-01-27 11:38:09 -02:00
tw9910.c
media: tw9910: Unregister subdevice with v4l2-async
2019-01-21 11:39:36 -02:00
uda1342.c
[media] media: Drop FSF's postal address from the source code files
2017-01-27 11:38:09 -02:00
upd64031a.c
[media] media: Drop FSF's postal address from the source code files
2017-01-27 11:38:09 -02:00
upd64083.c
[media] media: Drop FSF's postal address from the source code files
2017-01-27 11:38:09 -02:00
video-i2c.c
media: video-i2c: add Melexis MLX90640 thermal camera
2019-01-21 15:39:42 -02:00
vp27smpx.c
[media] media: Drop FSF's postal address from the source code files
2017-01-27 11:38:09 -02:00
vpx3220.c
media: replace all <spaces><tab> occurrences
2018-01-04 13:15:05 -05:00
vs6624_regs.h
[media] media: Drop FSF's postal address from the source code files
2017-01-27 11:38:09 -02:00
vs6624.c
media: i2c: vs6624: Replace mdelay() with msleep() and usleep_range() in vs6624_probe()
2018-07-27 08:11:57 -04:00
wm8739.c
[media] media: Drop FSF's postal address from the source code files
2017-01-27 11:38:09 -02:00
wm8775.c
[media] media: Drop FSF's postal address from the source code files
2017-01-27 11:38:09 -02:00