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[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>
This commit is contained in:
Mauro Carvalho Chehab 2016-01-29 08:44:28 -02:00
parent f92c70ad28
commit af7d374a4c
1 changed files with 19 additions and 0 deletions
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19
drivers/media/i2c/saa7115.c
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@ -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;