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media: i2c: gc8034 optimize drivers for cts issues

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Signed-off-by: Wang Panzhenzhuan <randy.wang@rock-chips.com>
Change-Id: I942e5690acd729aacf9b3d39925a3166ec1c9695
This commit is contained in:
Wang Panzhenzhuan
2020-08-24 10:42:49 +08:00
committed by Tao Huang
parent 8b82f490da
commit e6f03e192b
1 changed files with 31 additions and 13 deletions
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44
drivers/media/i2c/gc8034.c
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@@ -47,9 +47,9 @@
#define GC8034_REG_SET_PAGE 0xfe
#define GC8034_SET_PAGE_ZERO 0x00
#define GC8034_REG_CTRL_MODE 0x00
#define GC8034_REG_CTRL_MODE 0x3f
#define GC8034_MODE_SW_STANDBY 0x00
#define GC8034_MODE_STREAMING 0x01
#define GC8034_MODE_STREAMING 0xd0
#define GC8034_REG_EXPOSURE_H 0x03
#define GC8034_REG_EXPOSURE_L 0x04
@@ -377,15 +377,7 @@ static const struct regval gc8034_global_regs[] = {
{0x2b, 0x04},
{0xfe, 0x00},
{0x3f, 0x00},
{REG_NULL, 0x00},
};
/*
* Xclk 24Mhz
* max_framerate 30fps
* mipi_datarate per lane 656Mbps
*/
static const struct regval gc8034_3264x2448_regs[] = {
/*SYS*/
{0xf2, 0x00},
{0xf4, 0x80},
@@ -441,7 +433,17 @@ static const struct regval gc8034_3264x2448_regs[] = {
{0x2a, 0x12},
{0x2b, 0x07},
{0xfe, 0x00},
{0x3f, 0xd0},
{0x3f, 0x00},
{REG_NULL, 0x00},
};
/*
* Xclk 24Mhz
* max_framerate 30fps
* mipi_datarate per lane 656Mbps
*/
static const struct regval gc8034_3264x2448_regs[] = {
{REG_NULL, 0x00},
};
@@ -451,11 +453,11 @@ static const struct gc8034_mode supported_modes[] = {
.height = 2448,
.max_fps = {
.numerator = 10000,
.denominator = 299625,
.denominator = 300000,
},
.exp_def = 0x08c6,
.hts_def = 0x10b0,
.vts_def = 0x09c4,
.vts_def = 0x09c0,
.reg_list = gc8034_3264x2448_regs,
},
};
@@ -1466,11 +1468,27 @@ static int __gc8034_start_stream(struct gc8034 *gc8034)
mutex_unlock(&gc8034->mutex);
ret = v4l2_ctrl_handler_setup(&gc8034->ctrl_handler);
mutex_lock(&gc8034->mutex);
ret = gc8034_write_reg(gc8034->client,
GC8034_REG_SET_PAGE,
GC8034_SET_PAGE_ZERO);
ret |= gc8034_write_reg(gc8034->client,
GC8034_REG_CTRL_MODE,
GC8034_MODE_STREAMING);
return ret;
}
static int __gc8034_stop_stream(struct gc8034 *gc8034)
{
int ret;
ret = gc8034_write_reg(gc8034->client,
GC8034_REG_SET_PAGE,
GC8034_SET_PAGE_ZERO);
ret |= gc8034_write_reg(gc8034->client,
GC8034_REG_CTRL_MODE,
GC8034_MODE_SW_STANDBY);
return 0;
}