in drivers/media/v4l2-core/v4l2-ctrls.c [925:1201]
void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type,
s64 *min, s64 *max, u64 *step, s64 *def, u32 *flags)
{
*name = v4l2_ctrl_get_name(id);
*flags = 0;
switch (id) {
case V4L2_CID_AUDIO_MUTE:
case V4L2_CID_AUDIO_LOUDNESS:
case V4L2_CID_AUTO_WHITE_BALANCE:
case V4L2_CID_AUTOGAIN:
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_AUTOBRIGHTNESS:
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:
case V4L2_CID_AUDIO_LIMITER_ENABLED:
case V4L2_CID_AUDIO_COMPRESSION_ENABLED:
case V4L2_CID_PILOT_TONE_ENABLED:
case V4L2_CID_ILLUMINATORS_1:
case V4L2_CID_ILLUMINATORS_2:
case V4L2_CID_FLASH_STROBE_STATUS:
case V4L2_CID_FLASH_CHARGE:
case V4L2_CID_FLASH_READY:
case V4L2_CID_MPEG_VIDEO_DECODER_MPEG4_DEBLOCK_FILTER:
case V4L2_CID_MPEG_VIDEO_DECODER_SLICE_INTERFACE:
case V4L2_CID_MPEG_VIDEO_FRAME_RC_ENABLE:
case V4L2_CID_MPEG_VIDEO_MB_RC_ENABLE:
case V4L2_CID_MPEG_VIDEO_H264_8X8_TRANSFORM:
case V4L2_CID_MPEG_VIDEO_H264_VUI_SAR_ENABLE:
case V4L2_CID_MPEG_VIDEO_MPEG4_QPEL:
case V4L2_CID_MPEG_VIDEO_REPEAT_SEQ_HEADER:
case V4L2_CID_WIDE_DYNAMIC_RANGE:
case V4L2_CID_IMAGE_STABILIZATION:
case V4L2_CID_RDS_RECEPTION:
case V4L2_CID_RF_TUNER_LNA_GAIN_AUTO:
case V4L2_CID_RF_TUNER_MIXER_GAIN_AUTO:
case V4L2_CID_RF_TUNER_IF_GAIN_AUTO:
case V4L2_CID_RF_TUNER_BANDWIDTH_AUTO:
case V4L2_CID_RF_TUNER_PLL_LOCK:
case V4L2_CID_RDS_TX_MONO_STEREO:
case V4L2_CID_RDS_TX_ARTIFICIAL_HEAD:
case V4L2_CID_RDS_TX_COMPRESSED:
case V4L2_CID_RDS_TX_DYNAMIC_PTY:
case V4L2_CID_RDS_TX_TRAFFIC_ANNOUNCEMENT:
case V4L2_CID_RDS_TX_TRAFFIC_PROGRAM:
case V4L2_CID_RDS_TX_MUSIC_SPEECH:
case V4L2_CID_RDS_TX_ALT_FREQS_ENABLE:
case V4L2_CID_RDS_RX_TRAFFIC_ANNOUNCEMENT:
case V4L2_CID_RDS_RX_TRAFFIC_PROGRAM:
case V4L2_CID_RDS_RX_MUSIC_SPEECH:
*type = V4L2_CTRL_TYPE_BOOLEAN;
*min = 0;
*max = *step = 1;
break;
case V4L2_CID_MPEG_VIDEO_MV_H_SEARCH_RANGE:
case V4L2_CID_MPEG_VIDEO_MV_V_SEARCH_RANGE:
*type = V4L2_CTRL_TYPE_INTEGER;
break;
case V4L2_CID_PAN_RESET:
case V4L2_CID_TILT_RESET:
case V4L2_CID_FLASH_STROBE:
case V4L2_CID_FLASH_STROBE_STOP:
case V4L2_CID_AUTO_FOCUS_START:
case V4L2_CID_AUTO_FOCUS_STOP:
*type = V4L2_CTRL_TYPE_BUTTON;
*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:
case V4L2_CID_MPEG_AUDIO_L1_BITRATE:
case V4L2_CID_MPEG_AUDIO_L2_BITRATE:
case V4L2_CID_MPEG_AUDIO_L3_BITRATE:
case V4L2_CID_MPEG_AUDIO_AC3_BITRATE:
case V4L2_CID_MPEG_AUDIO_MODE:
case V4L2_CID_MPEG_AUDIO_MODE_EXTENSION:
case V4L2_CID_MPEG_AUDIO_EMPHASIS:
case V4L2_CID_MPEG_AUDIO_CRC:
case V4L2_CID_MPEG_AUDIO_DEC_PLAYBACK:
case V4L2_CID_MPEG_AUDIO_DEC_MULTILINGUAL_PLAYBACK:
case V4L2_CID_MPEG_VIDEO_ENCODING:
case V4L2_CID_MPEG_VIDEO_ASPECT:
case V4L2_CID_MPEG_VIDEO_BITRATE_MODE:
case V4L2_CID_MPEG_STREAM_TYPE:
case V4L2_CID_MPEG_STREAM_VBI_FMT:
case V4L2_CID_EXPOSURE_AUTO:
case V4L2_CID_AUTO_FOCUS_RANGE:
case V4L2_CID_COLORFX:
case V4L2_CID_AUTO_N_PRESET_WHITE_BALANCE:
case V4L2_CID_TUNE_PREEMPHASIS:
case V4L2_CID_FLASH_LED_MODE:
case V4L2_CID_FLASH_STROBE_SOURCE:
case V4L2_CID_MPEG_VIDEO_HEADER_MODE:
case V4L2_CID_MPEG_VIDEO_MULTI_SLICE_MODE:
case V4L2_CID_MPEG_VIDEO_H264_ENTROPY_MODE:
case V4L2_CID_MPEG_VIDEO_H264_LEVEL:
case V4L2_CID_MPEG_VIDEO_H264_LOOP_FILTER_MODE:
case V4L2_CID_MPEG_VIDEO_H264_PROFILE:
case V4L2_CID_MPEG_VIDEO_H264_VUI_SAR_IDC:
case V4L2_CID_MPEG_VIDEO_H264_SEI_FP_ARRANGEMENT_TYPE:
case V4L2_CID_MPEG_VIDEO_H264_FMO_MAP_TYPE:
case V4L2_CID_MPEG_VIDEO_MPEG4_LEVEL:
case V4L2_CID_MPEG_VIDEO_MPEG4_PROFILE:
case V4L2_CID_JPEG_CHROMA_SUBSAMPLING:
case V4L2_CID_ISO_SENSITIVITY_AUTO:
case V4L2_CID_EXPOSURE_METERING:
case V4L2_CID_SCENE_MODE:
case V4L2_CID_DV_TX_MODE:
case V4L2_CID_DV_TX_RGB_RANGE:
case V4L2_CID_DV_RX_RGB_RANGE:
case V4L2_CID_TEST_PATTERN:
case V4L2_CID_TUNE_DEEMPHASIS:
case V4L2_CID_MPEG_VIDEO_VPX_GOLDEN_FRAME_SEL:
case V4L2_CID_DETECT_MD_MODE:
*type = V4L2_CTRL_TYPE_MENU;
break;
case V4L2_CID_LINK_FREQ:
*type = V4L2_CTRL_TYPE_INTEGER_MENU;
break;
case V4L2_CID_RDS_TX_PS_NAME:
case V4L2_CID_RDS_TX_RADIO_TEXT:
case V4L2_CID_RDS_RX_PS_NAME:
case V4L2_CID_RDS_RX_RADIO_TEXT:
*type = V4L2_CTRL_TYPE_STRING;
break;
case V4L2_CID_ISO_SENSITIVITY:
case V4L2_CID_AUTO_EXPOSURE_BIAS:
case V4L2_CID_MPEG_VIDEO_VPX_NUM_PARTITIONS:
case V4L2_CID_MPEG_VIDEO_VPX_NUM_REF_FRAMES:
*type = V4L2_CTRL_TYPE_INTEGER_MENU;
break;
case V4L2_CID_USER_CLASS:
case V4L2_CID_CAMERA_CLASS:
case V4L2_CID_MPEG_CLASS:
case V4L2_CID_FM_TX_CLASS:
case V4L2_CID_FLASH_CLASS:
case V4L2_CID_JPEG_CLASS:
case V4L2_CID_IMAGE_SOURCE_CLASS:
case V4L2_CID_IMAGE_PROC_CLASS:
case V4L2_CID_DV_CLASS:
case V4L2_CID_FM_RX_CLASS:
case V4L2_CID_RF_TUNER_CLASS:
case V4L2_CID_DETECT_CLASS:
*type = V4L2_CTRL_TYPE_CTRL_CLASS;
/* You can neither read not write these */
*flags |= V4L2_CTRL_FLAG_READ_ONLY | V4L2_CTRL_FLAG_WRITE_ONLY;
*min = *max = *step = *def = 0;
break;
case V4L2_CID_BG_COLOR:
*type = V4L2_CTRL_TYPE_INTEGER;
*step = 1;
*min = 0;
/* Max is calculated as RGB888 that is 2^24 */
*max = 0xFFFFFF;
break;
case V4L2_CID_FLASH_FAULT:
case V4L2_CID_JPEG_ACTIVE_MARKER:
case V4L2_CID_3A_LOCK:
case V4L2_CID_AUTO_FOCUS_STATUS:
case V4L2_CID_DV_TX_HOTPLUG:
case V4L2_CID_DV_TX_RXSENSE:
case V4L2_CID_DV_TX_EDID_PRESENT:
case V4L2_CID_DV_RX_POWER_PRESENT:
*type = V4L2_CTRL_TYPE_BITMASK;
break;
case V4L2_CID_MIN_BUFFERS_FOR_CAPTURE:
case V4L2_CID_MIN_BUFFERS_FOR_OUTPUT:
*type = V4L2_CTRL_TYPE_INTEGER;
*flags |= V4L2_CTRL_FLAG_READ_ONLY;
break;
case V4L2_CID_MPEG_VIDEO_DEC_PTS:
*type = V4L2_CTRL_TYPE_INTEGER64;
*flags |= V4L2_CTRL_FLAG_VOLATILE | V4L2_CTRL_FLAG_READ_ONLY;
*min = *def = 0;
*max = 0x1ffffffffLL;
*step = 1;
break;
case V4L2_CID_MPEG_VIDEO_DEC_FRAME:
*type = V4L2_CTRL_TYPE_INTEGER64;
*flags |= V4L2_CTRL_FLAG_VOLATILE | V4L2_CTRL_FLAG_READ_ONLY;
*min = *def = 0;
*max = 0x7fffffffffffffffLL;
*step = 1;
break;
case V4L2_CID_PIXEL_RATE:
*type = V4L2_CTRL_TYPE_INTEGER64;
*flags |= V4L2_CTRL_FLAG_READ_ONLY;
break;
case V4L2_CID_DETECT_MD_REGION_GRID:
*type = V4L2_CTRL_TYPE_U8;
break;
case V4L2_CID_DETECT_MD_THRESHOLD_GRID:
*type = V4L2_CTRL_TYPE_U16;
break;
case V4L2_CID_RDS_TX_ALT_FREQS:
*type = V4L2_CTRL_TYPE_U32;
break;
default:
*type = V4L2_CTRL_TYPE_INTEGER;
break;
}
switch (id) {
case V4L2_CID_MPEG_AUDIO_ENCODING:
case V4L2_CID_MPEG_AUDIO_MODE:
case V4L2_CID_MPEG_VIDEO_BITRATE_MODE:
case V4L2_CID_MPEG_VIDEO_B_FRAMES:
case V4L2_CID_MPEG_STREAM_TYPE:
*flags |= V4L2_CTRL_FLAG_UPDATE;
break;
case V4L2_CID_AUDIO_VOLUME:
case V4L2_CID_AUDIO_BALANCE:
case V4L2_CID_AUDIO_BASS:
case V4L2_CID_AUDIO_TREBLE:
case V4L2_CID_BRIGHTNESS:
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:
case V4L2_CID_CHROMA_GAIN:
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:
case V4L2_CID_RF_TUNER_LNA_GAIN:
case V4L2_CID_RF_TUNER_MIXER_GAIN:
case V4L2_CID_RF_TUNER_IF_GAIN:
case V4L2_CID_RF_TUNER_BANDWIDTH:
case V4L2_CID_DETECT_MD_GLOBAL_THRESHOLD:
*flags |= V4L2_CTRL_FLAG_SLIDER;
break;
case V4L2_CID_PAN_RELATIVE:
case V4L2_CID_TILT_RELATIVE:
case V4L2_CID_FOCUS_RELATIVE:
case V4L2_CID_IRIS_RELATIVE:
case V4L2_CID_ZOOM_RELATIVE:
*flags |= V4L2_CTRL_FLAG_WRITE_ONLY;
break;
case V4L2_CID_FLASH_STROBE_STATUS:
case V4L2_CID_AUTO_FOCUS_STATUS:
case V4L2_CID_FLASH_READY:
case V4L2_CID_DV_TX_HOTPLUG:
case V4L2_CID_DV_TX_RXSENSE:
case V4L2_CID_DV_TX_EDID_PRESENT:
case V4L2_CID_DV_RX_POWER_PRESENT:
case V4L2_CID_RDS_RX_PTY:
case V4L2_CID_RDS_RX_PS_NAME:
case V4L2_CID_RDS_RX_RADIO_TEXT:
case V4L2_CID_RDS_RX_TRAFFIC_ANNOUNCEMENT:
case V4L2_CID_RDS_RX_TRAFFIC_PROGRAM:
case V4L2_CID_RDS_RX_MUSIC_SPEECH:
*flags |= V4L2_CTRL_FLAG_READ_ONLY;
break;
case V4L2_CID_RF_TUNER_PLL_LOCK:
*flags |= V4L2_CTRL_FLAG_VOLATILE;
break;
}
}