diff options
| author | Andy Walls <awalls@radix.net> | 2009-02-21 05:52:13 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-03-30 19:43:01 +0400 |
| commit | ff2a20018094c593a35f4887bbdabf8926ddb6e6 (patch) | |
| tree | e6c89f8e06e6006035420ea20a6754dd4ca7e89c /drivers/media/video/cx18/cx18-driver.h | |
| parent | fa3e70360c86480acbaa54c9791e843196327a66 (diff) | |
| download | linux-ff2a20018094c593a35f4887bbdabf8926ddb6e6.tar.xz | |
V4L/DVB (10758): cx18: Convert I2C devices to v4l2_subdevices
This is a major perturbation to cx18 I2C device handling to convert it to the
v4l2_device/subdeivce framework. This change breaks GPIO audio multiplexer
control for the time being. It will be fixed in a coming change.
Signed-off-by: Andy Walls <awalls@radix.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/cx18/cx18-driver.h')
| -rw-r--r-- | drivers/media/video/cx18/cx18-driver.h | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/drivers/media/video/cx18/cx18-driver.h b/drivers/media/video/cx18/cx18-driver.h index 4b50878fc265..b81106d682ae 100644 --- a/drivers/media/video/cx18/cx18-driver.h +++ b/drivers/media/video/cx18/cx18-driver.h @@ -448,7 +448,8 @@ struct cx18 { int instance; struct pci_dev *pci_dev; struct v4l2_device v4l2_dev; - struct v4l2_subdev *sd_av; + struct v4l2_subdev *sd_av; /* A/V decoder/digitizer sub-device */ + struct v4l2_subdev *sd_extmux; /* External audio multiplexer sub-dev */ const struct cx18_card *card; /* card information */ const char *card_name; /* full name of the card */ @@ -528,9 +529,6 @@ struct cx18 { struct i2c_adapter i2c_adap[2]; struct i2c_algo_bit_data i2c_algo[2]; struct cx18_i2c_algo_callback_data i2c_algo_cb_data[2]; - struct i2c_client i2c_client[2]; - struct mutex i2c_bus_lock[2]; - struct i2c_client *i2c_clients[I2C_CLIENTS_MAX]; /* gpio */ u32 gpio_dir; @@ -573,4 +571,22 @@ static inline int cx18_raw_vbi(const struct cx18 *cx) return cx->vbi.in.type == V4L2_BUF_TYPE_VBI_CAPTURE; } +/* Call the specified callback for all subdevs with a grp_id bit matching the + * mask in hw (if 0, then match them all). Ignore any errors. */ +#define cx18_call_hw(cx, hw, o, f, args...) \ + __v4l2_device_call_subdevs(&(cx)->v4l2_dev, \ + !(hw) || (sd->grp_id & (hw)), o, f , ##args) + +#define cx18_call_all(cx, o, f, args...) cx18_call_hw(cx, 0, o, f , ##args) + +/* Call the specified callback for all subdevs with a grp_id bit matching the + * mask in hw (if 0, then match them all). If the callback returns an error + * other than 0 or -ENOIOCTLCMD, then return with that error code. */ +#define cx18_call_hw_err(cx, hw, o, f, args...) \ + __v4l2_device_call_subdevs_until_err( \ + &(cx)->v4l2_dev, !(hw) || (sd->grp_id & (hw)), o, f , ##args) + +#define cx18_call_all_err(cx, o, f, args...) \ + cx18_call_hw_err(cx, 0, o, f , ##args) + #endif /* CX18_DRIVER_H */ |