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media: staging: atomisp: Update TODO regarding sensors

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There was no specific item regarding what should be done to sensor, lens
and flash drivers. Add one, to replace the vague item denoting support
only to particular sensor, lens and flash devices.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Sakari Ailus 2017-09-25 13:17:31 +02:00 committed by Mauro Carvalho Chehab
parent 90ebe55ab8
commit af7db4e90e
1 changed files with 15 additions and 7 deletions
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22
drivers/staging/media/atomisp/TODO
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@ -36,13 +36,21 @@
there are any specific things that can be done to fold in support for
multiple firmware versions.
8. Switch to V4L2 async API to set up sensor, lens and flash devices.
Control those devices using V4L2 sub-device API without custom
extensions.
9. Switch to standard V4L2 sub-device API for sensor and lens. In
particular, the user space API needs to support V4L2 controls as
defined in the V4L2 spec and references to atomisp must be removed from
these drivers.
10. Use LED flash API for flash LED drivers such as LM3554 (which already
has a LED class driver).
Limitations:
1. Currently the patch only support some camera sensors
gc2235/gc0310/0v2680/ov2722/ov5693/mt9m114...
2. To test the patches, you also need the ISP firmware
1. To test the patches, you also need the ISP firmware
for BYT:/lib/firmware/shisp_2400b0_v21.bin
for CHT:/lib/firmware/shisp_2401a0_v21.bin
@ -51,14 +59,14 @@ Limitations:
device but can also be extracted from the upgrade kit if you've managed
to lose them somehow.
3. Without a 3A libary the capture behaviour is not very good. To take a good
2. Without a 3A libary the capture behaviour is not very good. To take a good
picture, you need tune ISP parameters by IOCTL functions or use a 3A libary
such as libxcam.
4. The driver is intended to drive the PCI exposed versions of the device.
3. The driver is intended to drive the PCI exposed versions of the device.
It will not detect those devices enumerated via ACPI as a field of the
i915 GPU driver.
5. The driver supports only v2 of the IPU/Camera. It will not work with the
4. The driver supports only v2 of the IPU/Camera. It will not work with the
versions of the hardware in other SoCs.