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media: rockchip: isp: clear csi rdbk fifo when first open

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Change-Id: Ib6ccf4656d1ce4926364736bdba9f7c03aab8141
Signed-off-by: Cai YiWei <cyw@rock-chips.com>
This commit is contained in:
Cai YiWei
2020-09-17 10:42:01 +08:00
parent be6c7ee5a3
commit 2f3804a21c
1 changed files with 5 additions and 3 deletions
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8
drivers/media/platform/rockchip/isp/rkisp.c
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@@ -1614,11 +1614,13 @@ static int rkisp_isp_sd_s_power(struct v4l2_subdev *sd, int on)
v4l2_dbg(1, rkisp_debug, &isp_dev->v4l2_dev,
"%s on:%d\n", __func__, on);
if (on)
if (on) {
if (isp_dev->isp_ver == ISP_V20)
kfifo_reset(&isp_dev->csi_dev.rdbk_kfifo);
ret = pm_runtime_get_sync(isp_dev->dev);
else
} else {
ret = pm_runtime_put(isp_dev->dev);
}
return ret;
}