[media] v4l: vsp1: Support VSP1 instances without any UDS

Not all VSP1 instances include a UDS. Make the renesas,#uds DT property
optional and accept a number of UDS equal to 0 as valid.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Laurent Pinchart 2015-07-28 16:13:27 -03:00 committed by Mauro Carvalho Chehab
parent b58faa95ea
commit 62a409034c
2 changed files with 3 additions and 2 deletions

View File

@ -13,12 +13,13 @@ Required properties:
- clocks: A phandle + clock-specifier pair for the VSP1 functional clock.
- renesas,#rpf: Number of Read Pixel Formatter (RPF) modules in the VSP1.
- renesas,#uds: Number of Up Down Scaler (UDS) modules in the VSP1.
- renesas,#wpf: Number of Write Pixel Formatter (WPF) modules in the VSP1.
Optional properties:
- renesas,#uds: Number of Up Down Scaler (UDS) modules in the VSP1. Defaults
to 0 if not present.
- renesas,has-lif: Boolean, indicates that the LCD Interface (LIF) module is
available.
- renesas,has-lut: Boolean, indicates that the Look Up Table (LUT) module is

View File

@ -511,7 +511,7 @@ static int vsp1_parse_dt(struct vsp1_device *vsp1)
return -EINVAL;
}
if (pdata->uds_count <= 0 || pdata->uds_count > VSP1_MAX_UDS) {
if (pdata->uds_count > VSP1_MAX_UDS) {
dev_err(vsp1->dev, "invalid number of UDS (%u)\n",
pdata->uds_count);
return -EINVAL;