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phy: rockchip: samsung-dcphy: restart rx after apb reset when rx is streaming

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Signed-off-by: Zefa Chen <zefa.chen@rock-chips.com>
Change-Id: I9e5e8607b8c824daca8ea820d785323e0ac8c8fa
This commit is contained in:
Zefa Chen
2023-05-04 20:20:55 +08:00
committed by Tao Huang
parent 33f4a54037
commit fefe9843bc
1 changed files with 16 additions and 0 deletions
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16
drivers/phy/rockchip/phy-rockchip-samsung-dcphy.c
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@@ -1731,15 +1731,31 @@ static void samsung_mipi_cphy_power_on(struct samsung_mipi_dcphy *samsung)
reset_control_deassert(samsung->m_phy_rst);
}
static struct v4l2_subdev *get_remote_sensor(struct v4l2_subdev *sd);
static int samsung_mipi_dcphy_power_on(struct phy *phy)
{
struct samsung_mipi_dcphy *samsung = phy_get_drvdata(phy);
enum phy_mode mode = phy_get_mode(phy);
int on = 0;
struct v4l2_subdev *sensor_sd = NULL;
pm_runtime_get_sync(samsung->dev);
reset_control_assert(samsung->apb_rst);
udelay(1);
reset_control_deassert(samsung->apb_rst);
if (atomic_read(&samsung->stream_cnt)) {
sensor_sd = get_remote_sensor(&samsung->dphy_dev[0]->sd);
samsung->stream_off(samsung->dphy_dev[0], &samsung->dphy_dev[0]->sd);
if (sensor_sd)
v4l2_subdev_call(sensor_sd, core, ioctl,
RKMODULE_SET_QUICK_STREAM, &on);
samsung->stream_on(samsung->dphy_dev[0], &samsung->dphy_dev[0]->sd);
on = 1;
if (sensor_sd)
v4l2_subdev_call(sensor_sd, core, ioctl,
RKMODULE_SET_QUICK_STREAM, &on);
}
switch (mode) {
case PHY_MODE_MIPI_DPHY: