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media: i2c: gc2053 supports modifying frame rate

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Signed-off-by: Frank Liu <frank.liu@rock-chips.com>
Change-Id: I8df05d5105d9e654515de2703726a34fde1d09a3
This commit is contained in:
Frank Liu
2020-11-30 14:33:35 +08:00
parent 572ab8ceb5
commit 75c6fb9f54
1 changed files with 7 additions and 1 deletions
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8
drivers/media/i2c/gc2053.c
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@@ -50,6 +50,9 @@
#define GC2053_REG_EXP_H 0x03
#define GC2053_REG_EXP_L 0x04
#define GC2053_REG_VTS_H 0x41
#define GC2053_REG_VTS_L 0x42
#define GC2053_REG_CTRL_MODE 0x3E
#define GC2053_MODE_SW_STANDBY 0x11
#define GC2053_MODE_STREAMING 0x91
@@ -523,6 +526,7 @@ static int gc2053_set_ctrl(struct v4l2_ctrl *ctrl)
struct i2c_client *client = gc2053->client;
s64 max;
int ret = 0;
u32 vts = 0;
/* Propagate change of current control to all related controls */
switch (ctrl->id) {
@@ -550,7 +554,9 @@ static int gc2053_set_ctrl(struct v4l2_ctrl *ctrl)
gc2053_set_gain(gc2053, ctrl->val);
break;
case V4L2_CID_VBLANK:
/* The exposure goes up and reduces the frame rate, no need to write vb */
vts = ctrl->val + gc2053->cur_mode->height;
ret = gc2053_write_reg(gc2053->client, GC2053_REG_VTS_H, (vts >> 8) & 0x3f);
ret |= gc2053_write_reg(gc2053->client, GC2053_REG_VTS_L, vts & 0xff);
break;
case V4L2_CID_HFLIP:
if (ctrl->val)