From 56a960bf3fedc7dcf72ae072a64ffffe584e1f0e Mon Sep 17 00:00:00 2001 From: Ezequiel Garcia Date: Tue, 9 Oct 2012 18:01:03 -0300 Subject: [PATCH] [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 Signed-off-by: Mauro Carvalho Chehab --- drivers/media/usb/stk1160/stk1160-core.c | 15 +++++++++++---- drivers/media/usb/stk1160/stk1160-v4l.c | 7 ++++++- drivers/media/usb/stk1160/stk1160.h | 3 ++- 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 b6274084606..34a26e0cfe7 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 fe6e857969c..6694f9e2ca5 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 3feba0033f9..68c8707d36a 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 -- 2.46.0