diff options
Diffstat (limited to 'drivers/media/video/v4l2-common.c')
| -rw-r--r-- | drivers/media/video/v4l2-common.c | 185 |
1 files changed, 52 insertions, 133 deletions
diff --git a/drivers/media/video/v4l2-common.c b/drivers/media/video/v4l2-common.c index b91d66a767d7..f5a93ae3cdf9 100644 --- a/drivers/media/video/v4l2-common.c +++ b/drivers/media/video/v4l2-common.c @@ -156,6 +156,8 @@ int v4l2_ctrl_check(struct v4l2_ext_control *ctrl, struct v4l2_queryctrl *qctrl, return -EINVAL; if (qctrl->flags & V4L2_CTRL_FLAG_GRABBED) return -EBUSY; + if (qctrl->type == V4L2_CTRL_TYPE_STRING) + return 0; if (qctrl->type == V4L2_CTRL_TYPE_BUTTON || qctrl->type == V4L2_CTRL_TYPE_INTEGER64 || qctrl->type == V4L2_CTRL_TYPE_CTRL_CLASS) @@ -340,6 +342,12 @@ const char **v4l2_ctrl_get_menu(u32 id) "Sepia", NULL }; + static const char *tune_preemphasis[] = { + "No preemphasis", + "50 useconds", + "75 useconds", + NULL, + }; switch (id) { case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ: @@ -378,6 +386,8 @@ const char **v4l2_ctrl_get_menu(u32 id) return camera_exposure_auto; case V4L2_CID_COLORFX: return colorfx; + case V4L2_CID_TUNE_PREEMPHASIS: + return tune_preemphasis; default: return NULL; } @@ -476,6 +486,28 @@ const char *v4l2_ctrl_get_name(u32 id) case V4L2_CID_ZOOM_CONTINUOUS: return "Zoom, Continuous"; case V4L2_CID_PRIVACY: return "Privacy"; + /* FM Radio Modulator control */ + case V4L2_CID_FM_TX_CLASS: return "FM Radio Modulator Controls"; + case V4L2_CID_RDS_TX_DEVIATION: return "RDS Signal Deviation"; + case V4L2_CID_RDS_TX_PI: return "RDS Program ID"; + case V4L2_CID_RDS_TX_PTY: return "RDS Program Type"; + case V4L2_CID_RDS_TX_PS_NAME: return "RDS PS Name"; + case V4L2_CID_RDS_TX_RADIO_TEXT: return "RDS Radio Text"; + case V4L2_CID_AUDIO_LIMITER_ENABLED: return "Audio Limiter Feature Enabled"; + case V4L2_CID_AUDIO_LIMITER_RELEASE_TIME: return "Audio Limiter Release Time"; + case V4L2_CID_AUDIO_LIMITER_DEVIATION: return "Audio Limiter Deviation"; + case V4L2_CID_AUDIO_COMPRESSION_ENABLED: return "Audio Compression Feature Enabled"; + case V4L2_CID_AUDIO_COMPRESSION_GAIN: return "Audio Compression Gain"; + case V4L2_CID_AUDIO_COMPRESSION_THRESHOLD: return "Audio Compression Threshold"; + case V4L2_CID_AUDIO_COMPRESSION_ATTACK_TIME: return "Audio Compression Attack Time"; + case V4L2_CID_AUDIO_COMPRESSION_RELEASE_TIME: return "Audio Compression Release Time"; + case V4L2_CID_PILOT_TONE_ENABLED: return "Pilot Tone Feature Enabled"; + case V4L2_CID_PILOT_TONE_DEVIATION: return "Pilot Tone Deviation"; + case V4L2_CID_PILOT_TONE_FREQUENCY: return "Pilot Tone Frequency"; + case V4L2_CID_TUNE_PREEMPHASIS: return "Pre-emphasis settings"; + case V4L2_CID_TUNE_POWER_LEVEL: return "Tune Power Level"; + case V4L2_CID_TUNE_ANTENNA_CAPACITOR: return "Tune Antenna Capacitor"; + default: return NULL; } @@ -508,6 +540,9 @@ int v4l2_ctrl_query_fill(struct v4l2_queryctrl *qctrl, s32 min, s32 max, s32 ste case V4L2_CID_EXPOSURE_AUTO_PRIORITY: case V4L2_CID_FOCUS_AUTO: case V4L2_CID_PRIVACY: + case V4L2_CID_AUDIO_LIMITER_ENABLED: + case V4L2_CID_AUDIO_COMPRESSION_ENABLED: + case V4L2_CID_PILOT_TONE_ENABLED: qctrl->type = V4L2_CTRL_TYPE_BOOLEAN; min = 0; max = step = 1; @@ -536,12 +571,18 @@ int v4l2_ctrl_query_fill(struct v4l2_queryctrl *qctrl, s32 min, s32 max, s32 ste case V4L2_CID_MPEG_STREAM_VBI_FMT: case V4L2_CID_EXPOSURE_AUTO: case V4L2_CID_COLORFX: + case V4L2_CID_TUNE_PREEMPHASIS: qctrl->type = V4L2_CTRL_TYPE_MENU; step = 1; break; + case V4L2_CID_RDS_TX_PS_NAME: + case V4L2_CID_RDS_TX_RADIO_TEXT: + qctrl->type = V4L2_CTRL_TYPE_STRING; + break; case V4L2_CID_USER_CLASS: case V4L2_CID_CAMERA_CLASS: case V4L2_CID_MPEG_CLASS: + case V4L2_CID_FM_TX_CLASS: qctrl->type = V4L2_CTRL_TYPE_CTRL_CLASS; qctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY; min = max = step = def = 0; @@ -570,6 +611,17 @@ int v4l2_ctrl_query_fill(struct v4l2_queryctrl *qctrl, s32 min, s32 max, s32 ste case V4L2_CID_BLUE_BALANCE: case V4L2_CID_GAMMA: case V4L2_CID_SHARPNESS: + case V4L2_CID_RDS_TX_DEVIATION: + case V4L2_CID_AUDIO_LIMITER_RELEASE_TIME: + case V4L2_CID_AUDIO_LIMITER_DEVIATION: + case V4L2_CID_AUDIO_COMPRESSION_GAIN: + case V4L2_CID_AUDIO_COMPRESSION_THRESHOLD: + case V4L2_CID_AUDIO_COMPRESSION_ATTACK_TIME: + case V4L2_CID_AUDIO_COMPRESSION_RELEASE_TIME: + case V4L2_CID_PILOT_TONE_DEVIATION: + case V4L2_CID_PILOT_TONE_FREQUENCY: + case V4L2_CID_TUNE_POWER_LEVEL: + case V4L2_CID_TUNE_ANTENNA_CAPACITOR: qctrl->flags |= V4L2_CTRL_FLAG_SLIDER; break; case V4L2_CID_PAN_RELATIVE: @@ -762,139 +814,6 @@ EXPORT_SYMBOL_GPL(v4l2_i2c_subdev_init); /* Load an i2c sub-device. */ -struct v4l2_subdev *v4l2_i2c_new_subdev(struct v4l2_device *v4l2_dev, - struct i2c_adapter *adapter, - const char *module_name, const char *client_type, u8 addr) -{ - struct v4l2_subdev *sd = NULL; - struct i2c_client *client; - struct i2c_board_info info; - - BUG_ON(!v4l2_dev); - - if (module_name) - request_module(module_name); - - /* Setup the i2c board info with the device type and - the device address. */ - memset(&info, 0, sizeof(info)); - strlcpy(info.type, client_type, sizeof(info.type)); - info.addr = addr; - - /* Create the i2c client */ - client = i2c_new_device(adapter, &info); - /* Note: it is possible in the future that - c->driver is NULL if the driver is still being loaded. - We need better support from the kernel so that we - can easily wait for the load to finish. */ - if (client == NULL || client->driver == NULL) - goto error; - - /* Lock the module so we can safely get the v4l2_subdev pointer */ - if (!try_module_get(client->driver->driver.owner)) - goto error; - sd = i2c_get_clientdata(client); - - /* Register with the v4l2_device which increases the module's - use count as well. */ - if (v4l2_device_register_subdev(v4l2_dev, sd)) - sd = NULL; - /* Decrease the module use count to match the first try_module_get. */ - module_put(client->driver->driver.owner); - - if (sd) { - /* We return errors from v4l2_subdev_call only if we have the - callback as the .s_config is not mandatory */ - int err = v4l2_subdev_call(sd, core, s_config, 0, NULL); - - if (err && err != -ENOIOCTLCMD) { - v4l2_device_unregister_subdev(sd); - sd = NULL; - } - } - -error: - /* If we have a client but no subdev, then something went wrong and - we must unregister the client. */ - if (client && sd == NULL) - i2c_unregister_device(client); - return sd; -} -EXPORT_SYMBOL_GPL(v4l2_i2c_new_subdev); - -/* Probe and load an i2c sub-device. */ -struct v4l2_subdev *v4l2_i2c_new_probed_subdev(struct v4l2_device *v4l2_dev, - struct i2c_adapter *adapter, - const char *module_name, const char *client_type, - const unsigned short *addrs) -{ - struct v4l2_subdev *sd = NULL; - struct i2c_client *client = NULL; - struct i2c_board_info info; - - BUG_ON(!v4l2_dev); - - if (module_name) - request_module(module_name); - - /* Setup the i2c board info with the device type and - the device address. */ - memset(&info, 0, sizeof(info)); - strlcpy(info.type, client_type, sizeof(info.type)); - - /* Probe and create the i2c client */ - client = i2c_new_probed_device(adapter, &info, addrs); - /* Note: it is possible in the future that - c->driver is NULL if the driver is still being loaded. - We need better support from the kernel so that we - can easily wait for the load to finish. */ - if (client == NULL || client->driver == NULL) - goto error; - - /* Lock the module so we can safely get the v4l2_subdev pointer */ - if (!try_module_get(client->driver->driver.owner)) - goto error; - sd = i2c_get_clientdata(client); - - /* Register with the v4l2_device which increases the module's - use count as well. */ - if (v4l2_device_register_subdev(v4l2_dev, sd)) - sd = NULL; - /* Decrease the module use count to match the first try_module_get. */ - module_put(client->driver->driver.owner); - - if (sd) { - /* We return errors from v4l2_subdev_call only if we have the - callback as the .s_config is not mandatory */ - int err = v4l2_subdev_call(sd, core, s_config, 0, NULL); - - if (err && err != -ENOIOCTLCMD) { - v4l2_device_unregister_subdev(sd); - sd = NULL; - } - } - -error: - /* If we have a client but no subdev, then something went wrong and - we must unregister the client. */ - if (client && sd == NULL) - i2c_unregister_device(client); - return sd; -} -EXPORT_SYMBOL_GPL(v4l2_i2c_new_probed_subdev); - -struct v4l2_subdev *v4l2_i2c_new_probed_subdev_addr(struct v4l2_device *v4l2_dev, - struct i2c_adapter *adapter, - const char *module_name, const char *client_type, u8 addr) -{ - unsigned short addrs[2] = { addr, I2C_CLIENT_END }; - - return v4l2_i2c_new_probed_subdev(v4l2_dev, adapter, - module_name, client_type, addrs); -} -EXPORT_SYMBOL_GPL(v4l2_i2c_new_probed_subdev_addr); - -/* Load an i2c sub-device. */ struct v4l2_subdev *v4l2_i2c_new_subdev_board(struct v4l2_device *v4l2_dev, struct i2c_adapter *adapter, const char *module_name, struct i2c_board_info *info, const unsigned short *probe_addrs) |