Lines Matching +full:max +full:- +full:frequency
1 .. SPDX-License-Identifier: GPL-2.0
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26 Users must comply with local regulations on radio frequency (RF) transmission.
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34 The I2C device driver exports a v4l2-subdev interface to the kernel.
36 using the v4l2-subdev calls (g_ext_ctrls, s_ext_ctrls).
42 Applications can use v4l2 radio API to specify frequency of operation, mute state,
48 ----------------------
51 Here is an output from v4l2-ctl util:
53 .. code-block:: none
55 / # v4l2-ctl -d /dev/radio0 --all -L
57 Driver name : radio-si4713
65 Frequency: 1408000 (88.000000 MHz)
70 Frequency range : 76.0 MHz - 108.0 MHz
79 rds_signal_deviation (int) : min=0 max=90000 step=10 default=200 value=200 flags=slider
80 rds_program_id (int) : min=0 max=65535 step=1 default=0 value=0
81 rds_program_type (int) : min=0 max=31 step=1 default=0 value=0
82 rds_ps_name (str) : min=0 max=96 step=8 value='si4713 '
83 rds_radio_text (str) : min=0 max=384 step=32 value=''
85 audio_limiter_release_time (int) : min=250 max=102390 step=50 default=5010 value=5010 flags=slider
86 audio_limiter_deviation (int) : min=0 max=90000 step=10 default=66250 value=66250 flags=slider
88 audio_compression_gain (int) : min=0 max=20 step=1 default=15 value=15 flags=slider
89 audio_compression_threshold (int) : min=-40 max=0 step=1 default=-40 value=-40 flags=slider
90 audio_compression_attack_time (int) : min=0 max=5000 step=500 default=0 value=0 flags=slider
91 …audio_compression_release_time (int) : min=100000 max=1000000 step=100000 default=1000000 value=1…
93 pilot_tone_deviation (int) : min=0 max=90000 step=10 default=6750 value=6750 flags=slider
94 pilot_tone_frequency (int) : min=0 max=19000 step=1 default=19000 value=19000 flags=slider
95 pre_emphasis_settings (menu) : min=0 max=2 default=1 value=1
96 tune_power_level (int) : min=0 max=120 step=1 default=88 value=88 flags=slider
97 tune_antenna_capacitor (int) : min=0 max=191 step=1 default=0 value=110 flags=slider
103 - pilot_frequency - Configures the frequency of the stereo pilot tone.
104 - pilot_deviation - Configures pilot tone frequency deviation level.
105 - pilot_enabled - Enables or disables the pilot tone feature.
110 - acomp_enabled - Enables or disables the audio dynamic range control feature.
111 - acomp_gain - Sets the gain for audio dynamic range control.
112 - acomp_threshold - Sets the threshold level for audio dynamic range control.
113 - acomp_attack_time - Sets the attack time for audio dynamic range control.
114 - acomp_release_time - Sets the release time for audio dynamic range control.
117 it is possible to adjust the front-end gain of the audio input and always
120 - limiter_enabled - Enables or disables the limiter feature.
121 - limiter_deviation - Configures audio frequency deviation level.
122 - limiter_release_time - Sets the limiter release time.
126 - power_level - Sets the output power level for signal transmission.
127 antenna_capacitor - This selects the value of antenna tuning capacitor
132 - rds_ps_name - Sets the RDS ps name field for transmission.
133 - rds_radio_text - Sets the RDS radio text for transmission.
134 - rds_pi - Sets the RDS PI field for transmission.
135 - rds_pty - Sets the RDS PTY field for transmission.
139 - preemphasis - sets the preemphasis to be applied for transmission.
142 ---
147 .. code-block:: none
156 return -EINVAL;
161 sscanf(argv[1], "%d", &rnl.frequency);
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183 -------
184 Testing is usually done with v4l2-ctl utility for managing FM tuner cards.
185 The tool can be found in v4l-dvb repository under v4l2-apps/util directory.
189 .. code-block:: none
191 # v4l2-ctl -d /dev/radio0 --set-ctrl=rds_ps_name="Dummy"