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authorEzequiel Garcia <elezegarcia@gmail.com>2012-10-09 18:01:03 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-10-09 21:54:26 -0300
commit56a960bf3fedc7dcf72ae072a64ffffe584e1f0e (patch)
tree2d4f34d467752a78dcef92c2001467dc45a6210e
parentd6d022e7382343b57184c83f5fea0532be240b98 (diff)
[media] stk1160: Add support for S-Video input
In order to fully replace easycap driver with stk1160, it's also necessary to add S-Video support. A similar patch backported for v3.2 kernel has been tested by three different users. Signed-off-by: Ezequiel Garcia <elezegarcia@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
-rw-r--r--drivers/media/usb/stk1160/stk1160-core.c15
-rw-r--r--drivers/media/usb/stk1160/stk1160-v4l.c7
-rw-r--r--drivers/media/usb/stk1160/stk1160.h3
3 files changed, 19 insertions, 6 deletions
diff --git a/drivers/media/usb/stk1160/stk1160-core.c b/drivers/media/usb/stk1160/stk1160-core.c
index b62740846061..34a26e0cfe77 100644
--- a/drivers/media/usb/stk1160/stk1160-core.c
+++ b/drivers/media/usb/stk1160/stk1160-core.c
@@ -100,12 +100,21 @@ int stk1160_write_reg(struct stk1160 *dev, u16 reg, u16 value)
void stk1160_select_input(struct stk1160 *dev)
{
+ int route;
static const u8 gctrl[] = {
- 0x98, 0x90, 0x88, 0x80
+ 0x98, 0x90, 0x88, 0x80, 0x98
};
- if (dev->ctl_input < ARRAY_SIZE(gctrl))
+ if (dev->ctl_input == STK1160_SVIDEO_INPUT)
+ route = SAA7115_SVIDEO3;
+ else
+ route = SAA7115_COMPOSITE0;
+
+ if (dev->ctl_input < ARRAY_SIZE(gctrl)) {
+ v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_routing,
+ route, 0, 0);
stk1160_write_reg(dev, STK1160_GCTRL, gctrl[dev->ctl_input]);
+ }
}
/* TODO: We should break this into pieces */
@@ -351,8 +360,6 @@ static int stk1160_probe(struct usb_interface *interface,
/* i2c reset saa711x */
v4l2_device_call_all(&dev->v4l2_dev, 0, core, reset, 0);
- v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_routing,
- 0, 0, 0);
v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_stream, 0);
/* reset stk1160 to default values */
diff --git a/drivers/media/usb/stk1160/stk1160-v4l.c b/drivers/media/usb/stk1160/stk1160-v4l.c
index fe6e857969ca..6694f9e2ca57 100644
--- a/drivers/media/usb/stk1160/stk1160-v4l.c
+++ b/drivers/media/usb/stk1160/stk1160-v4l.c
@@ -419,7 +419,12 @@ static int vidioc_enum_input(struct file *file, void *priv,
if (i->index > STK1160_MAX_INPUT)
return -EINVAL;
- sprintf(i->name, "Composite%d", i->index);
+ /* S-Video special handling */
+ if (i->index == STK1160_SVIDEO_INPUT)
+ sprintf(i->name, "S-Video");
+ else
+ sprintf(i->name, "Composite%d", i->index);
+
i->type = V4L2_INPUT_TYPE_CAMERA;
i->std = dev->vdev.tvnorms;
return 0;
diff --git a/drivers/media/usb/stk1160/stk1160.h b/drivers/media/usb/stk1160/stk1160.h
index 3feba0033f98..68c8707d36ab 100644
--- a/drivers/media/usb/stk1160/stk1160.h
+++ b/drivers/media/usb/stk1160/stk1160.h
@@ -46,7 +46,8 @@
#define STK1160_MIN_PKT_SIZE 3072
-#define STK1160_MAX_INPUT 3
+#define STK1160_MAX_INPUT 4
+#define STK1160_SVIDEO_INPUT 4
#define STK1160_I2C_TIMEOUT 100

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