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This makes all string descriptors configurable for the UAC2 gadget so the user can configure names of terminals and controls. Alt mode names are not included for now and will be in future work related to adding alternate settings. discussion thread for api changes for alt mode settings: https://lore.kernel.org/linux-usb/35be4668-58d3-894a-72cf-de1afaacae45@ivitera.com/T/ Signed-off-by: Chris Wulff <chris.wulff@biamp.com> Link: https://lore.kernel.org/r/20240804001923.3279431-2-crwulff@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
52 lines
2.0 KiB
Plaintext
52 lines
2.0 KiB
Plaintext
What: /config/usb-gadget/gadget/functions/uac2.name
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Date: Sep 2014
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KernelVersion: 3.18
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Description:
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The attributes:
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===================== =======================================
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c_chmask capture channel mask
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c_srate list of capture sampling rates (comma-separated)
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c_ssize capture sample size (bytes)
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c_hs_bint capture bInterval for HS/SS (1-4: fixed, 0: auto)
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c_sync capture synchronization type
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(async/adaptive)
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c_mute_present capture mute control enable
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c_volume_present capture volume control enable
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c_volume_min capture volume control min value
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(in 1/256 dB)
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c_volume_max capture volume control max value
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(in 1/256 dB)
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c_volume_res capture volume control resolution
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(in 1/256 dB)
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fb_max maximum extra bandwidth in async mode
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p_chmask playback channel mask
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p_srate list of playback sampling rates (comma-separated)
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p_ssize playback sample size (bytes)
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p_hs_bint playback bInterval for HS/SS (1-4: fixed, 0: auto)
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p_mute_present playback mute control enable
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p_volume_present playback volume control enable
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p_volume_min playback volume control min value
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(in 1/256 dB)
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p_volume_max playback volume control max value
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(in 1/256 dB)
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p_volume_res playback volume control resolution
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(in 1/256 dB)
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req_number the number of pre-allocated requests
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for both capture and playback
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function_name name of the interface
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if_ctrl_name topology control name
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clksrc_in_name input clock name
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clksrc_out_name output clock name
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p_it_name playback input terminal name
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p_it_ch_name playback input first channel name
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p_ot_name playback output terminal name
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p_fu_vol_name playback mute/volume function unit name
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c_it_name capture input terminal name
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c_it_ch_name capture input first channel name
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c_ot_name capture output terminal name
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c_fu_vol_name capture mute/volume functional unit name
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c_terminal_type code of the capture terminal type
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p_terminal_type code of the playback terminal type
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===================== =======================================
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