Commit Graph

10 Commits

Author SHA1 Message Date
Sakari Ailus
1c55ecab31 media: dw9714: Remove useless error message
If probe fails, the kernel will print the error code. There's no need to
driver to do that.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-10-08 11:51:05 -04:00
Rajmohan Mani
f9a0b14240 media: dw9714: Fix error handling in probe function
Fixed the case where v4l2_async_unregister_subdev()
is called unnecessarily in the error handling path
in probe function.

Signed-off-by: Rajmohan Mani <rajmohan.mani@intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2018-10-08 11:50:40 -04:00
Rajmohan Mani
136fe99234 media: dw9714: Update to SPDX license identifier
Remove the GPL v2 license boilerplate and update with the SPDX license
identifier.

Signed-off-by: Rajmohan Mani <rajmohan.mani@intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2018-04-04 06:12:53 -04:00
Mauro Carvalho Chehab
a4a02b6ec3 media: dw9714: annotate a __be16 integer value
As warned:
   drivers/media/i2c/dw9714.c: warning: incorrect type in initializer (different base types):  => 64:19

Acked-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2018-01-23 08:04:51 -05:00
Sakari Ailus
a69e99723f media: dw9714: Remove client field in driver's struct
The client field in driver's struct is redundant. Remove it.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Tested-by: Rajmohan Mani <rajmohan.mani@intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2018-01-23 07:44:45 -05:00
Sakari Ailus
fa4293346b media: dw9714: Call pm_runtime_idle() at the end of probe()
Call pm_runtime_idle() at the end of the driver's probe() function to
enable the device to reach low power state once probe() finishes.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Tested-by: Rajmohan Mani <rajmohan.mani@intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2018-01-23 07:44:01 -05:00
Rajmohan Mani
1a58fbf513 [media] dw9714: Set the v4l2 focus ctrl step as 1
Current v4l2 focus ctrl step value of 16, limits the minimum granularity
of focus positions to 16. Setting this value as 1, enables more accurate
focus positions.

Signed-off-by: Rajmohan Mani <rajmohan.mani@intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2017-10-04 17:08:47 -03:00
Sakari Ailus
f758eb2363 media: dw9714: Remove ACPI match tables, convert to use probe_new
The ACPI match table is empty. Remove it.

Also convert the drive to use probe_new callback in struct i2c_driver.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-08-26 13:41:16 -04:00
Sakari Ailus
c2bc8b06ca media: dw9714: Add Devicetree support
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-08-26 08:47:19 -04:00
Rajmohan Mani
cc95d3423c [media] dw9714: Initial driver for dw9714 VCM
DW9714 is a 10 bit DAC, designed for linear
control of voice coil motor.

This driver creates a V4L2 subdevice and
provides control to set the desired focus.

[Sakari Ailus: Add MAINTAINERS entry.]

Signed-off-by: Rajmohan Mani <rajmohan.mani@intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
2017-06-20 08:17:48 -03:00