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Filename Latest commit message Latest commit date
Janusz Krzysztofik 933c132084 media: ov6650: Fix sensor possibly not detected on probe 
After removal of clock_start() from before soc_camera_init_i2c() in
soc_camera_probe() by commit 9aea470b39 ("[media] soc-camera: switch
I2C subdevice drivers to use v4l2-clk") introduced in v3.11, the ov6650
driver could no longer probe the sensor successfully because its clock
was no longer turned on in advance.  The issue was initially worked
around by adding that missing clock_start() equivalent to OMAP1 camera
interface driver - the only user of this sensor - but a propoer fix
should be rather implemented in the sensor driver code itself.

Fix the issue by inserting a delay between the clock is turned on and
the sensor I2C registers are read for the first time.

Tested on Amstrad Delta with now out of tree but still locally
maintained omap1_camera host driver.

Fixes: 9aea470b39 ("[media] soc-camera: switch I2C subdevice drivers to use v4l2-clk")

Signed-off-by: Janusz Krzysztofik <jmkrzyszt@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2019-04-22 11:32:36 -04:00
arch Kbuild updates for v5.1 (2nd) 2019-03-17 13:25:26 -07:00
block for-5.1/block-post-20190315 2019-03-16 12:36:39 -07:00
certs
crypto
Documentation media: Media Device Allocator API 2019-04-22 11:18:26 -04:00
drivers media: ov6650: Fix sensor possibly not detected on probe 2019-04-22 11:32:36 -04:00
fs Pull request for inlusion in 5.1 2019-03-17 09:10:56 -07:00
include media: media.h: Enable ALSA MEDIA_INTF_T* interface types 2019-04-22 11:19:56 -04:00
init
ipc
kernel pidfd patches for v5.1-rc1 2019-03-16 13:47:14 -07:00
lib Kbuild updates for v5.1 (2nd) 2019-03-17 13:25:26 -07:00
LICENSES
mm device-dax for 5.1 2019-03-16 13:05:32 -07:00
net Pull request for inlusion in 5.1 2019-03-17 09:10:56 -07:00
samples
scripts kconfig: remove stale lxdialog/.gitignore 2019-03-17 15:47:02 +09:00
security
sound media: sound/usb: Use Media Controller API to share media resources 2019-04-22 11:21:06 -04:00
tools media: selftests: media_dev_allocator api test 2019-04-22 11:23:14 -04:00
usr
virt ARM: some cleanups, direct physical timer assignment, cache sanitization 2019-03-15 15:00:28 -07:00
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS media: MAINTAINERS: Fix files for obsolete SoC camera framework 2019-03-29 10:45:07 -04:00
Makefile Linux 5.1-rc1 2019-03-17 14:22:26 -07:00
README

README 

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.