[media] media: vpif: use a configurable i2c_adapter_id for vpif display

The vpif display driver uses a static i2c adapter ID of 1 but on the
da850-evm board in DT boot mode the i2c adapter ID is actually 0.

Make the adapter ID configurable like it already is for vpif capture.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Acked-by: Kevin Hilman <khilman@baylibre.com>
Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

arch/arm/mach-davinci/board-da850-evm.c

@@ -1290,6 +1290,7 @@ static struct vpif_display_config da850_vpif_display_config = {
 		.output_count = ARRAY_SIZE(da850_ch0_outputs),
 	},
 	.card_name    = "DA850/OMAP-L138 Video Display",
+	.i2c_adapter_id = 1,
 };
 
 static __init void da850_vpif_init(void)

drivers/media/platform/davinci/vpif_display.c

@@ -1287,7 +1287,7 @@ static __init int vpif_probe(struct platform_device *pdev)
 	}
 
 	if (!vpif_obj.config->asd_sizes) {
-		i2c_adap = i2c_get_adapter(1);
+		i2c_adap = i2c_get_adapter(vpif_obj.config->i2c_adapter_id);
 		for (i = 0; i < subdev_count; i++) {
 			vpif_obj.sd[i] =
 				v4l2_i2c_new_subdev_board(&vpif_obj.v4l2_dev,

include/media/davinci/vpif_types.h

@@ -53,6 +53,7 @@ struct vpif_display_config {
 	int (*set_clock)(int, int);
 	struct vpif_subdev_info *subdevinfo;
 	int subdev_count;
+	int i2c_adapter_id;
 	struct vpif_display_chan_config chan_config[VPIF_DISPLAY_MAX_CHANNELS];
 	const char *card_name;
 	struct v4l2_async_subdev **asd;	/* Flat array, arranged in groups */