[media] saa7115: initialize demod type and add the needed pads

The saa7115 driver is used on several em28xx-based devices.
Now that we're about to add MC support to em28xx, we need to
be sure that the saa711x demod will be properly mapped at MC.

Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

diff --git a/drivers/media/i2c/saa7115.c b/drivers/media/i2c/saa7115.c
index 24d2b76dbe97e7a24d762b2bc58a6ba2bc2c6051..d2a1ce2bc7f5ce41eec4c1c6d5069280c358df5d 100644 (file)
--- a/drivers/media/i2c/saa7115.c
+++ b/drivers/media/i2c/saa7115.c
@@ -46,6 +46,7 @@
 #include <linux/videodev2.h>
 #include <media/v4l2-device.h>
 #include <media/v4l2-ctrls.h>
+#include <media/v4l2-mc.h>
 #include <media/i2c/saa7115.h>
 #include <asm/div64.h>
 
@@ -74,6 +75,9 @@ enum saa711x_model {
 
 struct saa711x_state {
        struct v4l2_subdev sd;
+#ifdef CONFIG_MEDIA_CONTROLLER
+       struct media_pad pads[DEMOD_NUM_PADS];
+#endif
        struct v4l2_ctrl_handler hdl;
 
        struct {
@@ -1809,6 +1813,9 @@ static int saa711x_probe(struct i2c_client *client,
        struct saa7115_platform_data *pdata;
        int ident;
        char name[CHIP_VER_SIZE + 1];
+#if defined(CONFIG_MEDIA_CONTROLLER)
+       int ret;
+#endif
 
        /* Check if the adapter supports the needed features */
        if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
@@ -1832,6 +1839,18 @@ static int saa711x_probe(struct i2c_client *client,
        sd = &state->sd;
        v4l2_i2c_subdev_init(sd, client, &saa711x_ops);
 
+#if defined(CONFIG_MEDIA_CONTROLLER)
+       state->pads[DEMOD_PAD_IF_INPUT].flags = MEDIA_PAD_FL_SINK;
+       state->pads[DEMOD_PAD_VID_OUT].flags = MEDIA_PAD_FL_SOURCE;
+       state->pads[DEMOD_PAD_VBI_OUT].flags = MEDIA_PAD_FL_SOURCE;
+
+       sd->entity.function = MEDIA_ENT_F_ATV_DECODER;
+
+       ret = media_entity_pads_init(&sd->entity, DEMOD_NUM_PADS, state->pads);
+       if (ret < 0)
+               return ret;
+#endif
+
        v4l_info(client, "%s found @ 0x%x (%s)\n", name,
                 client->addr << 1, client->adapter->name);
        hdl = &state->hdl;