media: smiapp: Support the "rotation" property

Use the "rotation" 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>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

diff --git a/drivers/media/i2c/smiapp/smiapp-core.c b/drivers/media/i2c/smiapp/smiapp-core.c
index e1f8208581aaca03d41dfd53bdd0e218541a2885..e9e0f21efc2a9349327fab9c68d67abb0350453a 100644 (file)
--- 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, "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);