kernel_5.10 no rt

hc

2023-12-11 6778948f9de86c3cfaf36725a7c87dcff9ba247f

 kernel/drivers/media/i2c/gc2053.c
..
..
@@ -574,11 +574,13 @@
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 		break;
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 	case V4L2_CID_VBLANK:
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 		vts = ctrl->val + gc2053->cur_mode->height;
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-		ret = gc2053_write_reg(gc2053->client, GC2053_REG_VTS_H, (vts >> 8) & 0x3f);
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-		ret |= gc2053_write_reg(gc2053->client, GC2053_REG_VTS_L, vts & 0xff);
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 		/* Note: In master-slave mode, Galaxycore request slave sensor frame rate bigger than master. */
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 		if (gc2053->sync_mode == INTERNAL_MASTER_MODE)
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-			gc2053_write_reg(gc2053->client, GC2053_REG_VTS_L, (vts & 0xff) + 10);
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+			vts += 10;
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+		ret = gc2053_write_reg(gc2053->client, GC2053_REG_VTS_H, (vts >> 8) & 0x3f);
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+		ret |= gc2053_write_reg(gc2053->client, GC2053_REG_VTS_L, vts & 0xff);
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+		/* TBD: master and slave not sync to streaming, but except sleep 20ms below */
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+		usleep_range(20000, 50000);
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 		break;
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 	case V4L2_CID_HFLIP:
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 		if (ctrl->val)