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media: i2c: sc301iot fixs brightness change

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1、Fixes brightness is increasing to a stable value when
   sensor’s exp reg is fixed value
2、Fixes cross stripe in the first 15 frame

this patch will delay 3ms before frame start

Signed-off-by: Su Yuefu <yuefu.su@rock-chips.com>
Change-Id: I40ea052ae9e4677b5dc0451ce683f5445feeeed5
This commit is contained in:
Su Yuefu
2022-11-09 16:12:02 +08:00
committed by Tao Huang
parent e7b2f688ba
commit cff4b2f03a
1 changed files with 5 additions and 12 deletions
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17
drivers/media/i2c/sc301iot.c
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@@ -335,6 +335,7 @@ static const struct regval SC301IOT_linear_10_2048x1536_regs[] = {
{0x3650, 0x33},
{0x3651, 0x7f},
{0x3028, 0x05},
{REG_NULL, 0x00},
};
@@ -498,6 +499,7 @@ static const struct regval SC301IOT_hdr_10_2048x1536_regs[] = {
{0x3650, 0x33},
{0x3651, 0x7f},
{0x3028, 0x05},
{REG_NULL, 0x00},
};
@@ -653,6 +655,7 @@ static const struct regval SC301IOT_linear_10_1536x1536_regs[] = {
{0x3650, 0x33},
{0x3651, 0x7f},
{0x3028, 0x05},
{REG_NULL, 0x00},
};
@@ -817,6 +820,7 @@ static const struct regval SC301IOT_hdr_10_1536x1536_regs[] = {
{0x3650, 0x33},
{0x3651, 0x7f},
{0x3028, 0x05},
{REG_NULL, 0x00},
};
@@ -1717,7 +1721,7 @@ static int __SC301IOT_power_on(struct SC301IOT *SC301IOT)
ret = clk_prepare_enable(SC301IOT->xvclk);
if (ret < 0) {
dev_err(dev, "Failed to enable xvclk\n");
return ret;
goto disable_clk;
}
if (!IS_ERR(SC301IOT->reset_gpio))
gpiod_set_value_cansleep(SC301IOT->reset_gpio, 0);
@@ -1738,17 +1742,6 @@ static int __SC301IOT_power_on(struct SC301IOT *SC301IOT)
gpiod_set_value_cansleep(SC301IOT->pwdn_gpio, 1);
usleep_range(4500, 5000);
ret = clk_set_rate(SC301IOT->xvclk, SC301IOT_XVCLK_FREQ);
if (ret < 0)
dev_warn(dev, "Failed to set xvclk rate (24MHz)\n");
if (clk_get_rate(SC301IOT->xvclk) != SC301IOT_XVCLK_FREQ)
dev_warn(dev, "xvclk mismatched, modes are based on 24MHz\n");
ret = clk_prepare_enable(SC301IOT->xvclk);
if (ret < 0) {
dev_err(dev, "Failed to enable regulators\n");
goto disable_clk;
}
if (!IS_ERR(SC301IOT->reset_gpio))
usleep_range(6000, 8000);
else