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SubjectRe: [PATCH v3 1/3] media: ov7670: Add entity pads initialization
Hi Wenyou,

[auto build test ERROR on linuxtv-media/master]
[also build test ERROR on v4.14-rc1 next-20170915]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://github.com/0day-ci/linux/commits/Wenyou-Yang/media-ov7670-Add-entity-init-and-power-operation/20170918-093913
base: git://linuxtv.org/media_tree.git master
config: i386-randconfig-x009-09180108 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
# save the attached .config to linux build tree
make ARCH=i386

All errors (new ones prefixed by >>):

drivers/media/i2c/ov7670.c: In function 'ov7670_probe':
>> drivers/media/i2c/ov7670.c:1694:10: error: 'struct v4l2_subdev' has no member named 'entity'
info->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR;
^
drivers/media/i2c/ov7670.c:1695:40: error: 'struct v4l2_subdev' has no member named 'entity'
ret = media_entity_pads_init(&info->sd.entity, 1, &info->pad);
^
drivers/media/i2c/ov7670.c:1708:32: error: 'struct v4l2_subdev' has no member named 'entity'
media_entity_cleanup(&info->sd.entity);
^
drivers/media/i2c/ov7670.c: In function 'ov7670_remove':
drivers/media/i2c/ov7670.c:1725:32: error: 'struct v4l2_subdev' has no member named 'entity'
media_entity_cleanup(&info->sd.entity);
^

vim +1694 drivers/media/i2c/ov7670.c

1575
1576 static int ov7670_probe(struct i2c_client *client,
1577 const struct i2c_device_id *id)
1578 {
1579 struct v4l2_fract tpf;
1580 struct v4l2_subdev *sd;
1581 struct ov7670_info *info;
1582 int ret;
1583
1584 info = devm_kzalloc(&client->dev, sizeof(*info), GFP_KERNEL);
1585 if (info == NULL)
1586 return -ENOMEM;
1587 sd = &info->sd;
1588 v4l2_i2c_subdev_init(sd, client, &ov7670_ops);
1589
1590 info->clock_speed = 30; /* default: a guess */
1591 if (client->dev.platform_data) {
1592 struct ov7670_config *config = client->dev.platform_data;
1593
1594 /*
1595 * Must apply configuration before initializing device, because it
1596 * selects I/O method.
1597 */
1598 info->min_width = config->min_width;
1599 info->min_height = config->min_height;
1600 info->use_smbus = config->use_smbus;
1601
1602 if (config->clock_speed)
1603 info->clock_speed = config->clock_speed;
1604
1605 /*
1606 * It should be allowed for ov7670 too when it is migrated to
1607 * the new frame rate formula.
1608 */
1609 if (config->pll_bypass && id->driver_data != MODEL_OV7670)
1610 info->pll_bypass = true;
1611
1612 if (config->pclk_hb_disable)
1613 info->pclk_hb_disable = true;
1614 }
1615
1616 info->clk = devm_clk_get(&client->dev, "xclk");
1617 if (IS_ERR(info->clk))
1618 return PTR_ERR(info->clk);
1619 ret = clk_prepare_enable(info->clk);
1620 if (ret)
1621 return ret;
1622
1623 ret = ov7670_init_gpio(client, info);
1624 if (ret)
1625 goto clk_disable;
1626
1627 info->clock_speed = clk_get_rate(info->clk) / 1000000;
1628 if (info->clock_speed < 10 || info->clock_speed > 48) {
1629 ret = -EINVAL;
1630 goto clk_disable;
1631 }
1632
1633 /* Make sure it's an ov7670 */
1634 ret = ov7670_detect(sd);
1635 if (ret) {
1636 v4l_dbg(1, debug, client,
1637 "chip found @ 0x%x (%s) is not an ov7670 chip.\n",
1638 client->addr << 1, client->adapter->name);
1639 goto clk_disable;
1640 }
1641 v4l_info(client, "chip found @ 0x%02x (%s)\n",
1642 client->addr << 1, client->adapter->name);
1643
1644 info->devtype = &ov7670_devdata[id->driver_data];
1645 info->fmt = &ov7670_formats[0];
1646 info->clkrc = 0;
1647
1648 /* Set default frame rate to 30 fps */
1649 tpf.numerator = 1;
1650 tpf.denominator = 30;
1651 info->devtype->set_framerate(sd, &tpf);
1652
1653 if (info->pclk_hb_disable)
1654 ov7670_write(sd, REG_COM10, COM10_PCLK_HB);
1655
1656 v4l2_ctrl_handler_init(&info->hdl, 10);
1657 v4l2_ctrl_new_std(&info->hdl, &ov7670_ctrl_ops,
1658 V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
1659 v4l2_ctrl_new_std(&info->hdl, &ov7670_ctrl_ops,
1660 V4L2_CID_CONTRAST, 0, 127, 1, 64);
1661 v4l2_ctrl_new_std(&info->hdl, &ov7670_ctrl_ops,
1662 V4L2_CID_VFLIP, 0, 1, 1, 0);
1663 v4l2_ctrl_new_std(&info->hdl, &ov7670_ctrl_ops,
1664 V4L2_CID_HFLIP, 0, 1, 1, 0);
1665 info->saturation = v4l2_ctrl_new_std(&info->hdl, &ov7670_ctrl_ops,
1666 V4L2_CID_SATURATION, 0, 256, 1, 128);
1667 info->hue = v4l2_ctrl_new_std(&info->hdl, &ov7670_ctrl_ops,
1668 V4L2_CID_HUE, -180, 180, 5, 0);
1669 info->gain = v4l2_ctrl_new_std(&info->hdl, &ov7670_ctrl_ops,
1670 V4L2_CID_GAIN, 0, 255, 1, 128);
1671 info->auto_gain = v4l2_ctrl_new_std(&info->hdl, &ov7670_ctrl_ops,
1672 V4L2_CID_AUTOGAIN, 0, 1, 1, 1);
1673 info->exposure = v4l2_ctrl_new_std(&info->hdl, &ov7670_ctrl_ops,
1674 V4L2_CID_EXPOSURE, 0, 65535, 1, 500);
1675 info->auto_exposure = v4l2_ctrl_new_std_menu(&info->hdl, &ov7670_ctrl_ops,
1676 V4L2_CID_EXPOSURE_AUTO, V4L2_EXPOSURE_MANUAL, 0,
1677 V4L2_EXPOSURE_AUTO);
1678 sd->ctrl_handler = &info->hdl;
1679 if (info->hdl.error) {
1680 ret = info->hdl.error;
1681
1682 goto hdl_free;
1683 }
1684 /*
1685 * We have checked empirically that hw allows to read back the gain
1686 * value chosen by auto gain but that's not the case for auto exposure.
1687 */
1688 v4l2_ctrl_auto_cluster(2, &info->auto_gain, 0, true);
1689 v4l2_ctrl_auto_cluster(2, &info->auto_exposure,
1690 V4L2_EXPOSURE_MANUAL, false);
1691 v4l2_ctrl_cluster(2, &info->saturation);
1692
1693 info->pad.flags = MEDIA_PAD_FL_SOURCE;
> 1694 info->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR;
1695 ret = media_entity_pads_init(&info->sd.entity, 1, &info->pad);
1696 if (ret < 0)
1697 goto hdl_free;
1698
1699 v4l2_ctrl_handler_setup(&info->hdl);
1700
1701 ret = v4l2_async_register_subdev(&info->sd);
1702 if (ret < 0)
1703 goto entity_cleanup;
1704
1705 return 0;
1706
1707 entity_cleanup:
1708 media_entity_cleanup(&info->sd.entity);
1709 hdl_free:
1710 v4l2_ctrl_handler_free(&info->hdl);
1711 clk_disable:
1712 clk_disable_unprepare(info->clk);
1713 return ret;
1714 }
1715

---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
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