diff options
Diffstat (limited to 'drivers/media/video/saa7134/saa7134-empress.c')
| -rw-r--r-- | drivers/media/video/saa7134/saa7134-empress.c | 63 |
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 c0c5d7509c2..9a8766a78a0 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, }; /* ----------------------------------------------------------- */ |