Hi Sakari, On Sat, 2020-05-09 at 00:13 +0300, Sakari Ailus wrote: > Hi Dongchun, > > On Fri, May 08, 2020 at 11:08:08AM +0800, Dongchun Zhu wrote: > > Hi Sakari, Tomasz, > > > > Thanks for the review. > > > > On Thu, 2020-05-07 at 15:46 +0200, Tomasz Figa wrote: > > > Hi Sakari, Dongchun, > > > > > > On Thu, May 7, 2020 at 3:12 PM Sakari Ailus > > > <sakari.ailus@xxxxxxxxxxxxxxx> wrote: > > > > > > > > HI Dongchun, > > > > > > > > On Thu, May 07, 2020 at 08:45:24PM +0800, Dongchun Zhu wrote: > > > > > Hi Sakari, > > > > > > > > > > Thanks for the review. > > > > > > > > > > On Wed, 2020-05-06 at 18:13 +0300, Sakari Ailus wrote: > > > > > > Hi Dongchun, > > > > > > > > > > > > On Sun, May 03, 2020 at 12:17:27AM +0800, Dongchun Zhu wrote: > > > > > > > Add a V4L2 sub-device driver for DW9768 voice coil motor, providing > > > > > > > control to set the desired focus via IIC serial interface. > > > > > > > > > > > > > > Signed-off-by: Dongchun Zhu <dongchun.zhu@xxxxxxxxxxxx> > > > > > > > --- > > > > > > > MAINTAINERS | 1 + > > > > > > > drivers/media/i2c/Kconfig | 11 ++ > > > > > > > drivers/media/i2c/Makefile | 1 + > > > > > > > drivers/media/i2c/dw9768.c | 440 +++++++++++++++++++++++++++++++++++++++++++++ > > > > > > > 4 files changed, 453 insertions(+) > > > > > > > create mode 100644 drivers/media/i2c/dw9768.c > > > > > > > > > > > > > > diff --git a/MAINTAINERS b/MAINTAINERS > > > > > > > index 8d72c41..c92dc99 100644 > > > > > > > --- a/MAINTAINERS > > > > > > > +++ b/MAINTAINERS > > > > > > > @@ -5157,6 +5157,7 @@ L: linux-media@xxxxxxxxxxxxxxx > > > > > > > S: Maintained > > > > > > > T: git git://linuxtv.org/media_tree.git > > > > > > > F: Documentation/devicetree/bindings/media/i2c/dongwoon,dw9768.yaml > > > > > > > +F: drivers/media/i2c/dw9768.c > > > > > > > > > > > > > > DONGWOON DW9807 LENS VOICE COIL DRIVER > > > > > > > M: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx> > > > > > > > diff --git a/drivers/media/i2c/Kconfig b/drivers/media/i2c/Kconfig > > > > > > > index 125d596..6a3f9da 100644 > > > > > > > --- a/drivers/media/i2c/Kconfig > > > > > > > +++ b/drivers/media/i2c/Kconfig > > > > > > > @@ -1040,6 +1040,17 @@ config VIDEO_DW9714 > > > > > > > capability. This is designed for linear control of > > > > > > > voice coil motors, controlled via I2C serial interface. > > > > > > > > > > > > > > +config VIDEO_DW9768 > > > > > > > + tristate "DW9768 lens voice coil support" > > > > > > > + depends on I2C && VIDEO_V4L2 && MEDIA_CONTROLLER > > > > > > > + depends on VIDEO_V4L2_SUBDEV_API > > > > > > > > > > > > Please check how this works in the media tree master branch now --- it's > > > > > > largely select based. > > > > > > > > > > > > > > > > The actuator driver uses some structures that require the > > > > > VIDEO_V4L2_SUBDEV_API code, so here we add VIDEO_V4L2_SUBDEV_API > > > > > dependency to avoid possible build error when it's not enabled. > > > > > > > > Please make sure this works with current media tree master. Right now it > > > > does not. > > > > > > > > > > Dongchun, as Sakari said, please make sure to base the patches on the > > > master branch of the media tree. > > > (https://git.linuxtv.org/media_tree.git/). The approach for Kconfig > > > dependency selection there seems to have changed recently. > > > > > > > I searched the patches on the media tree master branch. > > It seems that we need to remove the VIDEO_V4L2_SUBDEV_API dependency in > > Kconfig, and add #ifdef CONFIG_VIDEO_V4L2_SUBDEV_API to include > > v4l2-subdev code. > > The change mainly is to make build pass, and don't return ENOTTY if > > SUBDEV_API is not set. > > Am I right? > > Please see Kconfig entries for other similar drivers from Dongwoon. > Sorry for the mistake :-) Just found the current media tree master branch code... I would update Kconfig entries in next release by referring to: https://git.linuxtv.org/media_tree.git/tree/drivers/media/i2c/Kconfig ...
