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path: root/drivers/media/video/saa7134/saa7134-empress.c
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Diffstat (limited to 'drivers/media/video/saa7134/saa7134-empress.c')
-rw-r--r--drivers/media/video/saa7134/saa7134-empress.c63
1 files changed, 51 insertions, 12 deletions
diff --git a/drivers/media/video/saa7134/saa7134-empress.c b/drivers/media/video/saa7134/saa7134-empress.c
index c0c5d7509c25..9a8766a78a0c 100644
--- a/drivers/media/video/saa7134/saa7134-empress.c
+++ b/drivers/media/video/saa7134/saa7134-empress.c
@@ -29,6 +29,7 @@
#include <media/saa6752hs.h>
#include <media/v4l2-common.h>
+#include <media/v4l2-chip-ident.h>
/* ------------------------------------------------------------------ */
@@ -63,10 +64,19 @@ static void ts_reset_encoder(struct saa7134_dev* dev)
static int ts_init_encoder(struct saa7134_dev* dev)
{
- struct v4l2_ext_controls ctrls = { V4L2_CTRL_CLASS_MPEG, 0 };
+ u32 leading_null_bytes = 0;
+ /* If more cards start to need this, then this
+ should probably be added to the card definitions. */
+ switch (dev->board) {
+ case SAA7134_BOARD_BEHOLD_M6:
+ case SAA7134_BOARD_BEHOLD_M63:
+ case SAA7134_BOARD_BEHOLD_M6_EXTRA:
+ leading_null_bytes = 1;
+ break;
+ }
ts_reset_encoder(dev);
- saa7134_i2c_call_clients(dev, VIDIOC_S_EXT_CTRLS, &ctrls);
+ saa7134_i2c_call_clients(dev, VIDIOC_INT_INIT, &leading_null_bytes);
dev->empress_started = 1;
return 0;
}
@@ -79,9 +89,11 @@ static int ts_open(struct inode *inode, struct file *file)
struct saa7134_dev *dev;
int err;
+ lock_kernel();
list_for_each_entry(dev, &saa7134_devlist, devlist)
if (dev->empress_dev && dev->empress_dev->minor == minor)
goto found;
+ unlock_kernel();
return -ENODEV;
found:
@@ -103,6 +115,7 @@ static int ts_open(struct inode *inode, struct file *file)
done_up:
mutex_unlock(&dev->empress_tsq.vb_lock);
done:
+ unlock_kernel();
return err;
}
@@ -290,15 +303,6 @@ static int empress_streamoff(struct file *file, void *priv,
return videobuf_streamoff(&dev->empress_tsq);
}
-static int saa7134_i2c_call_saa6752(struct saa7134_dev *dev,
- unsigned int cmd, void *arg)
-{
- if (dev->mpeg_i2c_client == NULL)
- return -EINVAL;
- return dev->mpeg_i2c_client->driver->command(dev->mpeg_i2c_client,
- cmd, arg);
-}
-
static int empress_s_ext_ctrls(struct file *file, void *priv,
struct v4l2_ext_controls *ctrls)
{
@@ -400,6 +404,39 @@ static int empress_querymenu(struct file *file, void *priv,
return saa7134_i2c_call_saa6752(dev, VIDIOC_QUERYMENU, c);
}
+static int empress_g_chip_ident(struct file *file, void *fh,
+ struct v4l2_chip_ident *chip)
+{
+ struct saa7134_dev *dev = file->private_data;
+
+ chip->ident = V4L2_IDENT_NONE;
+ chip->revision = 0;
+ if (dev->mpeg_i2c_client == NULL)
+ return -EINVAL;
+ if (chip->match_type == V4L2_CHIP_MATCH_I2C_DRIVER &&
+ chip->match_chip == I2C_DRIVERID_SAA6752HS)
+ return saa7134_i2c_call_saa6752(dev, VIDIOC_G_CHIP_IDENT, chip);
+ if (chip->match_type == V4L2_CHIP_MATCH_I2C_ADDR &&
+ chip->match_chip == dev->mpeg_i2c_client->addr)
+ return saa7134_i2c_call_saa6752(dev, VIDIOC_G_CHIP_IDENT, chip);
+ return -EINVAL;
+}
+
+static int empress_s_std(struct file *file, void *priv, v4l2_std_id *id)
+{
+ struct saa7134_dev *dev = file->private_data;
+
+ return saa7134_s_std_internal(dev, NULL, id);
+}
+
+static int empress_g_std(struct file *file, void *priv, v4l2_std_id *id)
+{
+ struct saa7134_dev *dev = file->private_data;
+
+ *id = dev->tvnorm->id;
+ return 0;
+}
+
static const struct file_operations ts_fops =
{
.owner = THIS_MODULE,
@@ -428,11 +465,13 @@ static const struct v4l2_ioctl_ops ts_ioctl_ops = {
.vidioc_enum_input = empress_enum_input,
.vidioc_g_input = empress_g_input,
.vidioc_s_input = empress_s_input,
-
.vidioc_queryctrl = empress_queryctrl,
.vidioc_querymenu = empress_querymenu,
.vidioc_g_ctrl = empress_g_ctrl,
.vidioc_s_ctrl = empress_s_ctrl,
+ .vidioc_g_chip_ident = empress_g_chip_ident,
+ .vidioc_s_std = empress_s_std,
+ .vidioc_g_std = empress_g_std,
};
/* ----------------------------------------------------------- */