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media: i2c: os04c10: fix the gain error problem

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Signed-off-by: Fenrir Lin <fenrir.lin@rock-chips.com>
Change-Id: I20bbf598d4bcc9f3029112f6d729286d40bf338d
This commit is contained in:
Fenrir Lin
2021-06-16 15:33:56 +08:00
committed by Tao Huang
parent febcd380ef
commit 8a735d4ec1
1 changed files with 6 additions and 6 deletions
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12
drivers/media/i2c/os04c10.c
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@@ -57,7 +57,7 @@
#define OS04C10_SOFTWARE_RESET_VAL 0x1
#define OS04C10_GAIN_MIN 0x0080
#define OS04C10_GAIN_MAX 0x07C0
#define OS04C10_GAIN_MAX 0x7820
#define OS04C10_GAIN_STEP 1
#define OS04C10_GAIN_DEFAULT 0x0080
@@ -422,7 +422,7 @@ static const struct regval os04c10_linear10bit_2688x1520_regs[] = {
{0x3815, 0x01},
{0x3816, 0x01},
{0x3817, 0x01},
{0x3820, 0x88},
{0x3820, 0x80},
{0x3821, 0x00},
{0x3880, 0x25},
{0x3882, 0x20},
@@ -1227,9 +1227,9 @@ static int os04c10_set_ctrl(struct v4l2_ctrl *ctrl)
dev_dbg(&client->dev, "set exposure 0x%x\n", ctrl->val);
break;
case V4L2_CID_ANALOGUE_GAIN:
if (ctrl->val > 248) {
dgain = ctrl->val * 1024 / 248;
again = 248;
if (ctrl->val > 1984) {
dgain = ctrl->val * 1024 / 1984;
again = 1984;
} else {
dgain = 1024;
again = ctrl->val;
@@ -1237,7 +1237,7 @@ static int os04c10_set_ctrl(struct v4l2_ctrl *ctrl)
ret = os04c10_write_reg(os04c10->client,
OS04C10_REG_AGAIN_LONG_H,
OS04C10_REG_VALUE_16BIT,
again & 0x1ff0);
again & 0x1fff);
ret |= os04c10_write_reg(os04c10->client,
OS04C10_REG_DGAIN_LONG_H,
OS04C10_REG_VALUE_16BIT,