History log of /drivers/media/i2c/soc_camera/ov2640.c
Revision Date Author Comments
9aea470b399d797e88be08985c489855759c6c60 21-Dec-2012 Guennadi Liakhovetski <g.liakhovetski@gmx.de> [media] soc-camera: switch I2C subdevice drivers to use v4l2-clk

Instead of centrally enabling and disabling subdevice master clocks in
soc-camera core, let subdevice drivers do that themselves, using the
V4L2 clock API and soc-camera convenience wrappers.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
6be89daa03a4c99b0d22a59a660b225a592ed0a9 29-May-2013 Hans Verkuil <hans.verkuil@cisco.com> [media] soc_camera sensors: remove g_chip_ident op

This is no longer needed since the core now handles this through DBG_G_CHIP_INFO.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
977ba3b1b73f24fae2d0c8bd59d7a4696f1e0ccc 24-Mar-2013 Hans Verkuil <hans.verkuil@cisco.com> [media] v4l2: add const to argument of write-only s_register ioctl

This ioctl is defined as IOW, so pass the argument as const.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
70e176a5a9839ea22f0fbcfa21d1c8ae952a0dd2 21-Dec-2012 Guennadi Liakhovetski <g.liakhovetski@gmx.de> [media] soc-camera: use devm_kzalloc in subdevice drivers

I2C drivers can use devm_kzalloc() too in their .probe() methods. Doing so
simplifies their clean up paths.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
25a348110078cefa99b0b079938dd930cfc3a0be 21-Dec-2012 Guennadi Liakhovetski <g.liakhovetski@gmx.de> [media] soc-camera: split struct soc_camera_link into host and subdevice parts

struct soc_camera_link currently contains fields, used both by sensor and
bridge drivers. To make subdevice driver re-use simpler, split it into a
host and a subdevice parts.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
d1a49eacd944308401ae0417692357dd181b665e 23-Sep-2012 Frank Schäfer <fschaefer.oss@googlemail.com> [media] ov2640: add support for V4L2_MBUS_FMT_YUYV8_2X8, V4L2_MBUS_FMT_RGB565_2X8_BE

This is the result of experimenting with the SpeedLink VAD Laplace webcam.
The register sequence for V4L2_MBUS_FMT_YUYV8_2X8 has been identified by
analyzing USB-logs of this device running on MS Windows.

Signed-off-by: Frank Schäfer <fschaefer.oss@googlemail.com>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
ba4008921ba8144ff307f10d04fe52e6d6e744dc 27-Oct-2012 Mauro Carvalho Chehab <mchehab@redhat.com> [media] soc_camera/ov2640: Don't use a temp var for an unused value

drivers/media/i2c/soc_camera/ov2640.c:899:32: warning: variable 'win' set but not used [-Wunused-but-set-variable]

Cc: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
a52eb6c02fa27efb5f8980312785fce1f77377e2 23-Sep-2012 Frank Schäfer <fschaefer.oss@googlemail.com> [media] ov2640: select sensor register bank before applying h/v-flip settings

We currently don't select the register bank in ov2640_s_ctrl, so we can end up
writing to DSP register 0x04 instead of sensor register 0x04.
This happens for example when calling ov2640_s_ctrl after ov2640_s_fmt.

Signed-off-by: Frank Schäfer <fschaefer.oss@googlemail.com>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
4bbc6d52e61a8a9c19fcc859c4acab89cb8cd4e5 18-Jul-2012 Laurent Pinchart <laurent.pinchart@ideasonboard.com> [media] soc-camera: Push probe-time power management to drivers

Several client drivers access the hardware at probe time, for instance
to read the probe chip ID. Such chips need to be powered up when being
probed.

soc-camera handles this by powering chips up in the soc-camera probe
implementation. However, this will break with non soc-camera hosts that
don't perform the same operations.

Fix the problem by pushing the power up/down from the soc-camera core
down to individual drivers on a needs basis.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
4ec10bacd6bf08de39ebdba9e75060452cc313e0 20-Jul-2012 Laurent Pinchart <laurent.pinchart@ideasonboard.com> [media] soc-camera: Add and use soc_camera_power_[on|off]() helper functions

Instead of forcing all soc-camera drivers to go through the mid-layer to
handle power management, create soc_camera_power_[on|off]() functions
that can be called from the subdev .s_power() operation to manage
regulators and platform-specific power handling. This allows non
soc-camera hosts to use soc-camera-aware clients.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
[g.liakhovetski@gmx.de: fix compile breakage]
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2a2d1cf46500ab7599d0b45ee837f3936763ccac 14-Aug-2012 Mauro Carvalho Chehab <mchehab@redhat.com> [media] move soc_camera i2c drivers into its own dir

Move all soc_camera i2c drivers into drivers/media/i2c/soc_camera/.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>