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media: i2c: Fix max gain in ov8865

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The maximum gain figure in the v4l2 ctrl is wrong. The field is 12 bits
wide, which is where the 8191 figure comes from, but the datasheet is
specific that maximum gain is 16x (the low seven bits are fractional, so
16x gain is 2048)

Signed-off-by: Daniel Scally <djrscally@gmail.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Daniel Scally 2021-11-23 01:00:16 +01:00 committed by Mauro Carvalho Chehab
parent 91f08141d3
commit 3fdd94e2bf
1 changed files with 1 additions and 1 deletions
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2
drivers/media/i2c/ov8865.c
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@ -2535,7 +2535,7 @@ static int ov8865_ctrls_init(struct ov8865_sensor *sensor)
/* Gain */
v4l2_ctrl_new_std(handler, ops, V4L2_CID_ANALOGUE_GAIN, 128, 8191, 128,
v4l2_ctrl_new_std(handler, ops, V4L2_CID_ANALOGUE_GAIN, 128, 2048, 128,
128);
/* White Balance */