diff options
| author | Guennadi Liakhovetski <g.liakhovetski@gmx.de> | 2013-07-30 05:59:49 (GMT) |
|---|---|---|
| committer | Mauro Carvalho Chehab <m.chehab@samsung.com> | 2013-08-18 12:06:37 (GMT) |
| commit | 4dbfd040757b8bf22f4ac17e80b39c068061a16c (patch) | |
| tree | a2b870228cecc9d6da02c55730b8831927b50e83 /drivers/media/platform | |
| parent | 2bcccaec9937a49a65c258789d33ecc5ee1f8fff (diff) | |
| download | linux-4dbfd040757b8bf22f4ac17e80b39c068061a16c.tar.xz | |
[media] V4L2: mx3_camera: add support for asynchronous subdevice registration
The soc-camera core does all the work on supporting asynchronous
subdevice probing, host drivers only have to pass a subdevice list to
soc-camera. Typically this list is provided by the platform.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Diffstat (limited to 'drivers/media/platform')
| -rw-r--r-- | drivers/media/platform/soc_camera/mx3_camera.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/drivers/media/platform/soc_camera/mx3_camera.c b/drivers/media/platform/soc_camera/mx3_camera.c index 83592e4..8f9f621 100644 --- a/drivers/media/platform/soc_camera/mx3_camera.c +++ b/drivers/media/platform/soc_camera/mx3_camera.c @@ -1144,6 +1144,7 @@ static struct soc_camera_host_ops mx3_soc_camera_host_ops = { static int mx3_camera_probe(struct platform_device *pdev) { + struct mx3_camera_pdata *pdata = pdev->dev.platform_data; struct mx3_camera_dev *mx3_cam; struct resource *res; void __iomem *base; @@ -1155,6 +1156,9 @@ static int mx3_camera_probe(struct platform_device *pdev) if (IS_ERR(base)) return PTR_ERR(base); + if (!pdata) + return -EINVAL; + mx3_cam = devm_kzalloc(&pdev->dev, sizeof(*mx3_cam), GFP_KERNEL); if (!mx3_cam) { dev_err(&pdev->dev, "Could not allocate mx3 camera object\n"); @@ -1165,8 +1169,8 @@ static int mx3_camera_probe(struct platform_device *pdev) if (IS_ERR(mx3_cam->clk)) return PTR_ERR(mx3_cam->clk); - mx3_cam->pdata = pdev->dev.platform_data; - mx3_cam->platform_flags = mx3_cam->pdata->flags; + mx3_cam->pdata = pdata; + mx3_cam->platform_flags = pdata->flags; if (!(mx3_cam->platform_flags & MX3_CAMERA_DATAWIDTH_MASK)) { /* * Platform hasn't set available data widths. This is bad. @@ -1185,7 +1189,7 @@ static int mx3_camera_probe(struct platform_device *pdev) if (mx3_cam->platform_flags & MX3_CAMERA_DATAWIDTH_15) mx3_cam->width_flags |= 1 << 14; - mx3_cam->mclk = mx3_cam->pdata->mclk_10khz * 10000; + mx3_cam->mclk = pdata->mclk_10khz * 10000; if (!mx3_cam->mclk) { dev_warn(&pdev->dev, "mclk_10khz == 0! Please, fix your platform data. " @@ -1210,6 +1214,11 @@ static int mx3_camera_probe(struct platform_device *pdev) if (IS_ERR(mx3_cam->alloc_ctx)) return PTR_ERR(mx3_cam->alloc_ctx); + if (pdata->asd_sizes) { + soc_host->asd = pdata->asd; + soc_host->asd_sizes = pdata->asd_sizes; + } + err = soc_camera_host_register(soc_host); if (err) goto ecamhostreg; @@ -1249,6 +1258,7 @@ static int mx3_camera_remove(struct platform_device *pdev) static struct platform_driver mx3_camera_driver = { .driver = { .name = MX3_CAM_DRV_NAME, + .owner = THIS_MODULE, }, .probe = mx3_camera_probe, .remove = mx3_camera_remove, |