[v2,2/2] smiapp: Support the "upside-down" property

Use the "upside-down" property to tell that the sensor is mounted upside
down. This reverses the behaviour of the VFLIP and HFLIP controls as well
as the pixel order.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
---
 .../devicetree/bindings/media/i2c/nokia,smia.txt         |  2 ++
 drivers/media/i2c/smiapp/smiapp-core.c                   | 16 ++++++++++++++++
 2 files changed, 18 insertions(+)

Hi,

On Fri, May 25, 2018 at 03:27:26PM +0300, Sakari Ailus wrote:
> Use the "upside-down" property to tell that the sensor is mounted upside
> down. This reverses the behaviour of the VFLIP and HFLIP controls as well
> as the pixel order.
> 
> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
> ---

Patch subject and description should be s/"upside-down"/"rotation"/g ?

>  .../devicetree/bindings/media/i2c/nokia,smia.txt         |  2 ++
>  drivers/media/i2c/smiapp/smiapp-core.c                   | 16 ++++++++++++++++
>  2 files changed, 18 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/media/i2c/nokia,smia.txt b/Documentation/devicetree/bindings/media/i2c/nokia,smia.txt
> index 33f10a94c381..6f509657470e 100644
> --- a/Documentation/devicetree/bindings/media/i2c/nokia,smia.txt
> +++ b/Documentation/devicetree/bindings/media/i2c/nokia,smia.txt
> @@ -29,6 +29,8 @@ Optional properties
>  - reset-gpios: XSHUTDOWN GPIO
>  - flash-leds: See ../video-interfaces.txt
>  - lens-focus: See ../video-interfaces.txt
> +- rotation: Integer property; valid values are 0 (sensor mounted upright)
> +	    and 180 (sensor mounted upside down).
>  
>  
>  Endpoint node mandatory properties
> diff --git a/drivers/media/i2c/smiapp/smiapp-core.c b/drivers/media/i2c/smiapp/smiapp-core.c
> index e1f8208581aa..32286df6ab43 100644
> --- a/drivers/media/i2c/smiapp/smiapp-core.c
> +++ b/drivers/media/i2c/smiapp/smiapp-core.c
> @@ -2764,6 +2764,7 @@ static struct smiapp_hwconfig *smiapp_get_hwconfig(struct device *dev)
>  	struct v4l2_fwnode_endpoint *bus_cfg;
>  	struct fwnode_handle *ep;
>  	struct fwnode_handle *fwnode = dev_fwnode(dev);
> +	u32 rotation;
>  	int i;
>  	int rval;
>  
> @@ -2800,6 +2801,21 @@ static struct smiapp_hwconfig *smiapp_get_hwconfig(struct device *dev)
>  
>  	dev_dbg(dev, "lanes %u\n", hwcfg->lanes);
>  
> +	rval = fwnode_property_read_u32(fwnode, "upside-down", &rotation);

"rotation"

> +	if (!rval) {
> +		switch (rotation) {
> +		case 180:
> +			hwcfg->module_board_orient =
> +				SMIAPP_MODULE_BOARD_ORIENT_180;
> +			/* Fall through */
> +		case 0:
> +			break;
> +		default:
> +			dev_err(dev, "invalid rotation %u\n", rotation);
> +			goto out_err;
> +		}
> +	}
> +
>  	/* NVM size is not mandatory */
>  	fwnode_property_read_u32(fwnode, "nokia,nvm-size", &hwcfg->nvm_size);

-- Sebastian

On Fri, May 25, 2018 at 03:41:59PM +0200, Sebastian Reichel wrote:
> Hi,
> 
> On Fri, May 25, 2018 at 03:27:26PM +0300, Sakari Ailus wrote:
> > Use the "upside-down" property to tell that the sensor is mounted upside
> > down. This reverses the behaviour of the VFLIP and HFLIP controls as well
> > as the pixel order.
> > 
> > Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
> > ---
> 
> Patch subject and description should be s/"upside-down"/"rotation"/g ?
> 
> >  .../devicetree/bindings/media/i2c/nokia,smia.txt         |  2 ++
> >  drivers/media/i2c/smiapp/smiapp-core.c                   | 16 ++++++++++++++++
> >  2 files changed, 18 insertions(+)
> > 
> > diff --git a/Documentation/devicetree/bindings/media/i2c/nokia,smia.txt b/Documentation/devicetree/bindings/media/i2c/nokia,smia.txt
> > index 33f10a94c381..6f509657470e 100644
> > --- a/Documentation/devicetree/bindings/media/i2c/nokia,smia.txt
> > +++ b/Documentation/devicetree/bindings/media/i2c/nokia,smia.txt
> > @@ -29,6 +29,8 @@ Optional properties
> >  - reset-gpios: XSHUTDOWN GPIO
> >  - flash-leds: See ../video-interfaces.txt
> >  - lens-focus: See ../video-interfaces.txt
> > +- rotation: Integer property; valid values are 0 (sensor mounted upright)
> > +	    and 180 (sensor mounted upside down).
> >  
> >  
> >  Endpoint node mandatory properties
> > diff --git a/drivers/media/i2c/smiapp/smiapp-core.c b/drivers/media/i2c/smiapp/smiapp-core.c
> > index e1f8208581aa..32286df6ab43 100644
> > --- a/drivers/media/i2c/smiapp/smiapp-core.c
> > +++ b/drivers/media/i2c/smiapp/smiapp-core.c
> > @@ -2764,6 +2764,7 @@ static struct smiapp_hwconfig *smiapp_get_hwconfig(struct device *dev)
> >  	struct v4l2_fwnode_endpoint *bus_cfg;
> >  	struct fwnode_handle *ep;
> >  	struct fwnode_handle *fwnode = dev_fwnode(dev);
> > +	u32 rotation;
> >  	int i;
> >  	int rval;
> >  
> > @@ -2800,6 +2801,21 @@ static struct smiapp_hwconfig *smiapp_get_hwconfig(struct device *dev)
> >  
> >  	dev_dbg(dev, "lanes %u\n", hwcfg->lanes);
> >  
> > +	rval = fwnode_property_read_u32(fwnode, "upside-down", &rotation);
> 
> "rotation"

Thanks. Both fixed in v2.2.