FROMLIST: [media] i2c: 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>
(am from https://patchwork.kernel.org/patch/9930407/)

BUG=b:65421174
TEST=Ensure any desired focus position can be set and read back

Change-Id: Ibee28db83529a24920d36154a36cc6b7431b8907
Reviewed-on: https://chromium-review.googlesource.com/653382
Commit-Ready: Ricky Liang <jcliang@chromium.org>
Tested-by: Yong Zhi <yong.zhi@intel.corp-partner.google.com>
Reviewed-by: Tomasz Figa <tfiga@chromium.org>
1 file changed