X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=drivers%2Fmedia%2Fvideo%2Fv4l2-common.c;h=f96475626da78949079318fe4372edf0ae7dd37e;hb=b5b2b7ed569cedac4f5da38e08b01c88443187bd;hp=c676b0b0f708340f7644f69d3b6ceaab29fd8eea;hpb=74980159e75e3a6913d23d1508da57d018fe7436;p=safe%2Fjmp%2Flinux-2.6 diff --git a/drivers/media/video/v4l2-common.c b/drivers/media/video/v4l2-common.c index c676b0b..f964756 100644 --- a/drivers/media/video/v4l2-common.c +++ b/drivers/media/video/v4l2-common.c @@ -334,6 +334,12 @@ const char **v4l2_ctrl_get_menu(u32 id) "Aperture Priority Mode", NULL }; + static const char *colorfx[] = { + "None", + "Black & White", + "Sepia", + NULL + }; switch (id) { case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ: @@ -370,6 +376,8 @@ const char **v4l2_ctrl_get_menu(u32 id) return camera_power_line_frequency; case V4L2_CID_EXPOSURE_AUTO: return camera_exposure_auto; + case V4L2_CID_COLORFX: + return colorfx; default: return NULL; } @@ -382,16 +390,16 @@ const char *v4l2_ctrl_get_name(u32 id) switch (id) { /* USER controls */ case V4L2_CID_USER_CLASS: return "User Controls"; + case V4L2_CID_BRIGHTNESS: return "Brightness"; + case V4L2_CID_CONTRAST: return "Contrast"; + case V4L2_CID_SATURATION: return "Saturation"; + case V4L2_CID_HUE: return "Hue"; case V4L2_CID_AUDIO_VOLUME: return "Volume"; - case V4L2_CID_AUDIO_MUTE: return "Mute"; case V4L2_CID_AUDIO_BALANCE: return "Balance"; case V4L2_CID_AUDIO_BASS: return "Bass"; case V4L2_CID_AUDIO_TREBLE: return "Treble"; + case V4L2_CID_AUDIO_MUTE: return "Mute"; case V4L2_CID_AUDIO_LOUDNESS: return "Loudness"; - case V4L2_CID_BRIGHTNESS: return "Brightness"; - case V4L2_CID_CONTRAST: return "Contrast"; - case V4L2_CID_SATURATION: return "Saturation"; - case V4L2_CID_HUE: return "Hue"; case V4L2_CID_BLACK_LEVEL: return "Black Level"; case V4L2_CID_AUTO_WHITE_BALANCE: return "White Balance, Automatic"; case V4L2_CID_DO_WHITE_BALANCE: return "Do White Balance"; @@ -412,6 +420,7 @@ const char *v4l2_ctrl_get_name(u32 id) case V4L2_CID_BACKLIGHT_COMPENSATION: return "Backlight Compensation"; case V4L2_CID_CHROMA_AGC: return "Chroma AGC"; case V4L2_CID_COLOR_KILLER: return "Color Killer"; + case V4L2_CID_COLORFX: return "Color Effects"; /* MPEG controls */ case V4L2_CID_MPEG_CLASS: return "MPEG Encoder Controls"; @@ -490,16 +499,25 @@ int v4l2_ctrl_query_fill(struct v4l2_queryctrl *qctrl, s32 min, s32 max, s32 ste case V4L2_CID_HFLIP: case V4L2_CID_VFLIP: case V4L2_CID_HUE_AUTO: + case V4L2_CID_CHROMA_AGC: + case V4L2_CID_COLOR_KILLER: case V4L2_CID_MPEG_AUDIO_MUTE: case V4L2_CID_MPEG_VIDEO_MUTE: case V4L2_CID_MPEG_VIDEO_GOP_CLOSURE: case V4L2_CID_MPEG_VIDEO_PULLDOWN: case V4L2_CID_EXPOSURE_AUTO_PRIORITY: + case V4L2_CID_FOCUS_AUTO: case V4L2_CID_PRIVACY: qctrl->type = V4L2_CTRL_TYPE_BOOLEAN; min = 0; max = step = 1; break; + case V4L2_CID_PAN_RESET: + case V4L2_CID_TILT_RESET: + qctrl->type = V4L2_CTRL_TYPE_BUTTON; + qctrl->flags |= V4L2_CTRL_FLAG_WRITE_ONLY; + min = max = step = def = 0; + break; case V4L2_CID_POWER_LINE_FREQUENCY: case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ: case V4L2_CID_MPEG_AUDIO_ENCODING: @@ -517,6 +535,7 @@ int v4l2_ctrl_query_fill(struct v4l2_queryctrl *qctrl, s32 min, s32 max, s32 ste case V4L2_CID_MPEG_STREAM_TYPE: case V4L2_CID_MPEG_STREAM_VBI_FMT: case V4L2_CID_EXPOSURE_AUTO: + case V4L2_CID_COLORFX: qctrl->type = V4L2_CTRL_TYPE_MENU; step = 1; break; @@ -547,161 +566,29 @@ int v4l2_ctrl_query_fill(struct v4l2_queryctrl *qctrl, s32 min, s32 max, s32 ste case V4L2_CID_CONTRAST: case V4L2_CID_SATURATION: case V4L2_CID_HUE: + case V4L2_CID_RED_BALANCE: + case V4L2_CID_BLUE_BALANCE: + case V4L2_CID_GAMMA: + case V4L2_CID_SHARPNESS: qctrl->flags |= V4L2_CTRL_FLAG_SLIDER; break; + case V4L2_CID_PAN_RELATIVE: + case V4L2_CID_TILT_RELATIVE: + case V4L2_CID_FOCUS_RELATIVE: + case V4L2_CID_ZOOM_RELATIVE: + qctrl->flags |= V4L2_CTRL_FLAG_WRITE_ONLY; + break; } qctrl->minimum = min; qctrl->maximum = max; qctrl->step = step; qctrl->default_value = def; qctrl->reserved[0] = qctrl->reserved[1] = 0; - snprintf(qctrl->name, sizeof(qctrl->name), name); + strlcpy(qctrl->name, name, sizeof(qctrl->name)); return 0; } EXPORT_SYMBOL(v4l2_ctrl_query_fill); -/* Fill in a struct v4l2_queryctrl with standard values based on - the control ID. */ -int v4l2_ctrl_query_fill_std(struct v4l2_queryctrl *qctrl) -{ - switch (qctrl->id) { - /* USER controls */ - case V4L2_CID_USER_CLASS: - case V4L2_CID_MPEG_CLASS: - return v4l2_ctrl_query_fill(qctrl, 0, 0, 0, 0); - case V4L2_CID_AUDIO_VOLUME: - return v4l2_ctrl_query_fill(qctrl, 0, 65535, 65535 / 100, 58880); - case V4L2_CID_AUDIO_MUTE: - case V4L2_CID_AUDIO_LOUDNESS: - return v4l2_ctrl_query_fill(qctrl, 0, 1, 1, 0); - case V4L2_CID_AUDIO_BALANCE: - case V4L2_CID_AUDIO_BASS: - case V4L2_CID_AUDIO_TREBLE: - return v4l2_ctrl_query_fill(qctrl, 0, 65535, 65535 / 100, 32768); - case V4L2_CID_BRIGHTNESS: - return v4l2_ctrl_query_fill(qctrl, 0, 255, 1, 128); - case V4L2_CID_CONTRAST: - case V4L2_CID_SATURATION: - return v4l2_ctrl_query_fill(qctrl, 0, 127, 1, 64); - case V4L2_CID_HUE: - return v4l2_ctrl_query_fill(qctrl, -128, 127, 1, 0); - - /* MPEG controls */ - case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ: - return v4l2_ctrl_query_fill(qctrl, - V4L2_MPEG_AUDIO_SAMPLING_FREQ_44100, - V4L2_MPEG_AUDIO_SAMPLING_FREQ_32000, 1, - V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000); - case V4L2_CID_MPEG_AUDIO_ENCODING: - return v4l2_ctrl_query_fill(qctrl, - V4L2_MPEG_AUDIO_ENCODING_LAYER_1, - V4L2_MPEG_AUDIO_ENCODING_AC3, 1, - V4L2_MPEG_AUDIO_ENCODING_LAYER_2); - case V4L2_CID_MPEG_AUDIO_L1_BITRATE: - return v4l2_ctrl_query_fill(qctrl, - V4L2_MPEG_AUDIO_L1_BITRATE_32K, - V4L2_MPEG_AUDIO_L1_BITRATE_448K, 1, - V4L2_MPEG_AUDIO_L1_BITRATE_256K); - case V4L2_CID_MPEG_AUDIO_L2_BITRATE: - return v4l2_ctrl_query_fill(qctrl, - V4L2_MPEG_AUDIO_L2_BITRATE_32K, - V4L2_MPEG_AUDIO_L2_BITRATE_384K, 1, - V4L2_MPEG_AUDIO_L2_BITRATE_224K); - case V4L2_CID_MPEG_AUDIO_L3_BITRATE: - return v4l2_ctrl_query_fill(qctrl, - V4L2_MPEG_AUDIO_L3_BITRATE_32K, - V4L2_MPEG_AUDIO_L3_BITRATE_320K, 1, - V4L2_MPEG_AUDIO_L3_BITRATE_192K); - case V4L2_CID_MPEG_AUDIO_AAC_BITRATE: - return v4l2_ctrl_query_fill(qctrl, 0, 6400, 1, 3200000); - case V4L2_CID_MPEG_AUDIO_AC3_BITRATE: - return v4l2_ctrl_query_fill(qctrl, - V4L2_MPEG_AUDIO_AC3_BITRATE_32K, - V4L2_MPEG_AUDIO_AC3_BITRATE_640K, 1, - V4L2_MPEG_AUDIO_AC3_BITRATE_384K); - case V4L2_CID_MPEG_AUDIO_MODE: - return v4l2_ctrl_query_fill(qctrl, - V4L2_MPEG_AUDIO_MODE_STEREO, - V4L2_MPEG_AUDIO_MODE_MONO, 1, - V4L2_MPEG_AUDIO_MODE_STEREO); - case V4L2_CID_MPEG_AUDIO_MODE_EXTENSION: - return v4l2_ctrl_query_fill(qctrl, - V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_4, - V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_16, 1, - V4L2_MPEG_AUDIO_MODE_EXTENSION_BOUND_4); - case V4L2_CID_MPEG_AUDIO_EMPHASIS: - return v4l2_ctrl_query_fill(qctrl, - V4L2_MPEG_AUDIO_EMPHASIS_NONE, - V4L2_MPEG_AUDIO_EMPHASIS_CCITT_J17, 1, - V4L2_MPEG_AUDIO_EMPHASIS_NONE); - case V4L2_CID_MPEG_AUDIO_CRC: - return v4l2_ctrl_query_fill(qctrl, - V4L2_MPEG_AUDIO_CRC_NONE, - V4L2_MPEG_AUDIO_CRC_CRC16, 1, - V4L2_MPEG_AUDIO_CRC_NONE); - case V4L2_CID_MPEG_AUDIO_MUTE: - return v4l2_ctrl_query_fill(qctrl, 0, 1, 1, 0); - case V4L2_CID_MPEG_VIDEO_ENCODING: - return v4l2_ctrl_query_fill(qctrl, - V4L2_MPEG_VIDEO_ENCODING_MPEG_1, - V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC, 1, - V4L2_MPEG_VIDEO_ENCODING_MPEG_2); - case V4L2_CID_MPEG_VIDEO_ASPECT: - return v4l2_ctrl_query_fill(qctrl, - V4L2_MPEG_VIDEO_ASPECT_1x1, - V4L2_MPEG_VIDEO_ASPECT_221x100, 1, - V4L2_MPEG_VIDEO_ASPECT_4x3); - case V4L2_CID_MPEG_VIDEO_B_FRAMES: - return v4l2_ctrl_query_fill(qctrl, 0, 33, 1, 2); - case V4L2_CID_MPEG_VIDEO_GOP_SIZE: - return v4l2_ctrl_query_fill(qctrl, 1, 34, 1, 12); - case V4L2_CID_MPEG_VIDEO_GOP_CLOSURE: - return v4l2_ctrl_query_fill(qctrl, 0, 1, 1, 1); - case V4L2_CID_MPEG_VIDEO_PULLDOWN: - return v4l2_ctrl_query_fill(qctrl, 0, 1, 1, 0); - case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: - return v4l2_ctrl_query_fill(qctrl, - V4L2_MPEG_VIDEO_BITRATE_MODE_VBR, - V4L2_MPEG_VIDEO_BITRATE_MODE_CBR, 1, - V4L2_MPEG_VIDEO_BITRATE_MODE_VBR); - case V4L2_CID_MPEG_VIDEO_BITRATE: - return v4l2_ctrl_query_fill(qctrl, 0, 27000000, 1, 6000000); - case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK: - return v4l2_ctrl_query_fill(qctrl, 0, 27000000, 1, 8000000); - case V4L2_CID_MPEG_VIDEO_TEMPORAL_DECIMATION: - return v4l2_ctrl_query_fill(qctrl, 0, 255, 1, 0); - case V4L2_CID_MPEG_VIDEO_MUTE: - return v4l2_ctrl_query_fill(qctrl, 0, 1, 1, 0); - case V4L2_CID_MPEG_VIDEO_MUTE_YUV: /* Init YUV (really YCbCr) to black */ - return v4l2_ctrl_query_fill(qctrl, 0, 0xffffff, 1, 0x008080); - case V4L2_CID_MPEG_STREAM_TYPE: - return v4l2_ctrl_query_fill(qctrl, - V4L2_MPEG_STREAM_TYPE_MPEG2_PS, - V4L2_MPEG_STREAM_TYPE_MPEG2_SVCD, 1, - V4L2_MPEG_STREAM_TYPE_MPEG2_PS); - case V4L2_CID_MPEG_STREAM_PID_PMT: - return v4l2_ctrl_query_fill(qctrl, 0, (1 << 14) - 1, 1, 16); - case V4L2_CID_MPEG_STREAM_PID_AUDIO: - return v4l2_ctrl_query_fill(qctrl, 0, (1 << 14) - 1, 1, 260); - case V4L2_CID_MPEG_STREAM_PID_VIDEO: - return v4l2_ctrl_query_fill(qctrl, 0, (1 << 14) - 1, 1, 256); - case V4L2_CID_MPEG_STREAM_PID_PCR: - return v4l2_ctrl_query_fill(qctrl, 0, (1 << 14) - 1, 1, 259); - case V4L2_CID_MPEG_STREAM_PES_ID_AUDIO: - return v4l2_ctrl_query_fill(qctrl, 0, 255, 1, 0); - case V4L2_CID_MPEG_STREAM_PES_ID_VIDEO: - return v4l2_ctrl_query_fill(qctrl, 0, 255, 1, 0); - case V4L2_CID_MPEG_STREAM_VBI_FMT: - return v4l2_ctrl_query_fill(qctrl, - V4L2_MPEG_STREAM_VBI_FMT_NONE, - V4L2_MPEG_STREAM_VBI_FMT_IVTV, 1, - V4L2_MPEG_STREAM_VBI_FMT_NONE); - default: - return -EINVAL; - } -} -EXPORT_SYMBOL(v4l2_ctrl_query_fill_std); - /* Fill in a struct v4l2_querymenu based on the struct v4l2_queryctrl and the menu. The qctrl pointer may be NULL, in which case it is ignored. If menu_items is NULL, then the menu items are retrieved using @@ -720,7 +607,7 @@ int v4l2_ctrl_query_menu(struct v4l2_querymenu *qmenu, struct v4l2_queryctrl *qc for (i = 0; i < qmenu->index && menu_items[i]; i++) ; if (menu_items[i] == NULL || menu_items[i][0] == '\0') return -EINVAL; - snprintf(qmenu->name, sizeof(qmenu->name), menu_items[qmenu->index]); + strlcpy(qmenu->name, menu_items[qmenu->index], sizeof(qmenu->name)); return 0; } EXPORT_SYMBOL(v4l2_ctrl_query_menu); @@ -737,8 +624,8 @@ int v4l2_ctrl_query_menu_valid_items(struct v4l2_querymenu *qmenu, const u32 *id return -EINVAL; while (*ids != V4L2_CTRL_MENU_IDS_END) { if (*ids++ == qmenu->index) { - snprintf(qmenu->name, sizeof(qmenu->name), - menu_items[qmenu->index]); + strlcpy(qmenu->name, menu_items[qmenu->index], + sizeof(qmenu->name)); return 0; } } @@ -749,7 +636,7 @@ EXPORT_SYMBOL(v4l2_ctrl_query_menu_valid_items); /* ctrl_classes points to an array of u32 pointers, the last element is a NULL pointer. Each u32 array is a 0-terminated array of control IDs. Each array must be sorted low to high and belong to the same control - class. The array of u32 pointer must also be sorted, from low class IDs + class. The array of u32 pointers must also be sorted, from low class IDs to high class IDs. This function returns the first ID that follows after the given ID. @@ -797,11 +684,11 @@ u32 v4l2_ctrl_next(const u32 * const * ctrl_classes, u32 id) } EXPORT_SYMBOL(v4l2_ctrl_next); -int v4l2_chip_match_host(u32 match_type, u32 match_chip) +int v4l2_chip_match_host(const struct v4l2_dbg_match *match) { - switch (match_type) { + switch (match->type) { case V4L2_CHIP_MATCH_HOST: - return match_chip == 0; + return match->addr == 0; default: return 0; } @@ -809,23 +696,34 @@ int v4l2_chip_match_host(u32 match_type, u32 match_chip) EXPORT_SYMBOL(v4l2_chip_match_host); #if defined(CONFIG_I2C) || (defined(CONFIG_I2C_MODULE) && defined(MODULE)) -int v4l2_chip_match_i2c_client(struct i2c_client *c, u32 match_type, u32 match_chip) +int v4l2_chip_match_i2c_client(struct i2c_client *c, const struct v4l2_dbg_match *match) { - switch (match_type) { + int len; + + if (c == NULL || match == NULL) + return 0; + + switch (match->type) { case V4L2_CHIP_MATCH_I2C_DRIVER: - return (c != NULL && c->driver != NULL && c->driver->id == match_chip); + if (c->driver == NULL || c->driver->driver.name == NULL) + return 0; + len = strlen(c->driver->driver.name); + /* legacy drivers have a ' suffix, don't try to match that */ + if (len && c->driver->driver.name[len - 1] == '\'') + len--; + return len && !strncmp(c->driver->driver.name, match->name, len); case V4L2_CHIP_MATCH_I2C_ADDR: - return (c != NULL && c->addr == match_chip); + return c->addr == match->addr; default: return 0; } } EXPORT_SYMBOL(v4l2_chip_match_i2c_client); -int v4l2_chip_ident_i2c_client(struct i2c_client *c, struct v4l2_chip_ident *chip, +int v4l2_chip_ident_i2c_client(struct i2c_client *c, struct v4l2_dbg_chip_ident *chip, u32 ident, u32 revision) { - if (!v4l2_chip_match_i2c_client(c, chip->match_type, chip->match_chip)) + if (!v4l2_chip_match_i2c_client(c, &chip->match)) return 0; if (chip->ident == V4L2_IDENT_NONE) { chip->ident = ident; @@ -841,38 +739,14 @@ EXPORT_SYMBOL(v4l2_chip_ident_i2c_client); /* ----------------------------------------------------------------- */ -/* Helper function for I2C legacy drivers */ +/* I2C Helper functions */ -int v4l2_i2c_attach(struct i2c_adapter *adapter, int address, struct i2c_driver *driver, - const char *name, - int (*probe)(struct i2c_client *, const struct i2c_device_id *)) -{ - struct i2c_client *client; - int err; - - client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL); - if (!client) - return -ENOMEM; - - client->addr = address; - client->adapter = adapter; - client->driver = driver; - strlcpy(client->name, name, sizeof(client->name)); - - err = probe(client, NULL); - if (err == 0) { - i2c_attach_client(client); - } else { - kfree(client); - } - return err != -ENOMEM ? 0 : err; -} -EXPORT_SYMBOL(v4l2_i2c_attach); void v4l2_i2c_subdev_init(struct v4l2_subdev *sd, struct i2c_client *client, const struct v4l2_subdev_ops *ops) { v4l2_subdev_init(sd, ops); + sd->flags |= V4L2_SUBDEV_FL_IS_I2C; /* the owner is the same as the i2c_client's driver owner */ sd->owner = client->driver->driver.owner; /* i2c_client and v4l2_subdev point to one another */ @@ -887,22 +761,20 @@ EXPORT_SYMBOL_GPL(v4l2_i2c_subdev_init); -/* Load an i2c sub-device. It assumes that i2c_get_adapdata(adapter) - returns the v4l2_device and that i2c_get_clientdata(client) - returns the v4l2_subdev. */ -struct v4l2_subdev *v4l2_i2c_new_subdev(struct i2c_adapter *adapter, +/* 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_device *dev = i2c_get_adapdata(adapter); struct v4l2_subdev *sd = NULL; struct i2c_client *client; struct i2c_board_info info; - BUG_ON(!dev); -#ifdef MODULE + BUG_ON(!v4l2_dev); + if (module_name) request_module(module_name); -#endif + /* Setup the i2c board info with the device type and the device address. */ memset(&info, 0, sizeof(info)); @@ -916,41 +788,44 @@ struct v4l2_subdev *v4l2_i2c_new_subdev(struct i2c_adapter *adapter, We need better support from the kernel so that we can easily wait for the load to finish. */ if (client == NULL || client->driver == NULL) - return NULL; + goto error; /* Lock the module so we can safely get the v4l2_subdev pointer */ if (!try_module_get(client->driver->driver.owner)) - return NULL; + 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(dev, sd)) + 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); - return sd; +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. It assumes that i2c_get_adapdata(adapter) - returns the v4l2_device and that i2c_get_clientdata(client) - returns the v4l2_subdev. */ -struct v4l2_subdev *v4l2_i2c_new_probed_subdev(struct i2c_adapter *adapter, +/* 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_device *dev = i2c_get_adapdata(adapter); struct v4l2_subdev *sd = NULL; struct i2c_client *client = NULL; struct i2c_board_info info; - BUG_ON(!dev); -#ifdef MODULE + BUG_ON(!v4l2_dev); + if (module_name) request_module(module_name); -#endif + /* Setup the i2c board info with the device type and the device address. */ memset(&info, 0, sizeof(info)); @@ -963,21 +838,82 @@ struct v4l2_subdev *v4l2_i2c_new_probed_subdev(struct i2c_adapter *adapter, We need better support from the kernel so that we can easily wait for the load to finish. */ if (client == NULL || client->driver == NULL) - return NULL; + goto error; /* Lock the module so we can safely get the v4l2_subdev pointer */ if (!try_module_get(client->driver->driver.owner)) - return NULL; + 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(dev, sd)) + 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); + +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); + +/* Return i2c client address of v4l2_subdev. */ +unsigned short v4l2_i2c_subdev_addr(struct v4l2_subdev *sd) +{ + struct i2c_client *client = v4l2_get_subdevdata(sd); + + return client ? client->addr : I2C_CLIENT_END; +} +EXPORT_SYMBOL_GPL(v4l2_i2c_subdev_addr); + +/* Return a list of I2C tuner addresses to probe. Use only if the tuner + addresses are unknown. */ +const unsigned short *v4l2_i2c_tuner_addrs(enum v4l2_i2c_tuner_type type) +{ + static const unsigned short radio_addrs[] = { +#if defined(CONFIG_MEDIA_TUNER_TEA5761) || defined(CONFIG_MEDIA_TUNER_TEA5761_MODULE) + 0x10, +#endif + 0x60, + I2C_CLIENT_END + }; + static const unsigned short demod_addrs[] = { + 0x42, 0x43, 0x4a, 0x4b, + I2C_CLIENT_END + }; + static const unsigned short tv_addrs[] = { + 0x42, 0x43, 0x4a, 0x4b, /* tda8290 */ + 0x60, 0x61, 0x62, 0x63, 0x64, + I2C_CLIENT_END + }; + + switch (type) { + case ADDRS_RADIO: + return radio_addrs; + case ADDRS_DEMOD: + return demod_addrs; + case ADDRS_TV: + return tv_addrs; + case ADDRS_TV_WITH_DEMOD: + return tv_addrs + 4; + } + return NULL; +} +EXPORT_SYMBOL_GPL(v4l2_i2c_tuner_addrs); + #endif