162306a36Sopenharmony_ciWhat:		/config/usb-gadget/gadget/functions/uac2.name
262306a36Sopenharmony_ciDate:		Sep 2014
362306a36Sopenharmony_ciKernelVersion:	3.18
462306a36Sopenharmony_ciDescription:
562306a36Sopenharmony_ci		The attributes:
662306a36Sopenharmony_ci
762306a36Sopenharmony_ci		=====================	=======================================
862306a36Sopenharmony_ci		c_chmask		capture channel mask
962306a36Sopenharmony_ci		c_srate			list of capture sampling rates (comma-separated)
1062306a36Sopenharmony_ci		c_ssize			capture sample size (bytes)
1162306a36Sopenharmony_ci		c_hs_bint		capture bInterval for HS/SS (1-4: fixed, 0: auto)
1262306a36Sopenharmony_ci		c_sync			capture synchronization type
1362306a36Sopenharmony_ci					(async/adaptive)
1462306a36Sopenharmony_ci		c_mute_present		capture mute control enable
1562306a36Sopenharmony_ci		c_volume_present	capture volume control enable
1662306a36Sopenharmony_ci		c_volume_min		capture volume control min value
1762306a36Sopenharmony_ci					(in 1/256 dB)
1862306a36Sopenharmony_ci		c_volume_max		capture volume control max value
1962306a36Sopenharmony_ci					(in 1/256 dB)
2062306a36Sopenharmony_ci		c_volume_res		capture volume control resolution
2162306a36Sopenharmony_ci					(in 1/256 dB)
2262306a36Sopenharmony_ci		fb_max			maximum extra bandwidth in async mode
2362306a36Sopenharmony_ci		p_chmask		playback channel mask
2462306a36Sopenharmony_ci		p_srate			list of playback sampling rates (comma-separated)
2562306a36Sopenharmony_ci		p_ssize			playback sample size (bytes)
2662306a36Sopenharmony_ci		p_hs_bint		playback bInterval for HS/SS (1-4: fixed, 0: auto)
2762306a36Sopenharmony_ci		p_mute_present		playback mute control enable
2862306a36Sopenharmony_ci		p_volume_present	playback volume control enable
2962306a36Sopenharmony_ci		p_volume_min		playback volume control min value
3062306a36Sopenharmony_ci					(in 1/256 dB)
3162306a36Sopenharmony_ci		p_volume_max		playback volume control max value
3262306a36Sopenharmony_ci					(in 1/256 dB)
3362306a36Sopenharmony_ci		p_volume_res		playback volume control resolution
3462306a36Sopenharmony_ci					(in 1/256 dB)
3562306a36Sopenharmony_ci		req_number		the number of pre-allocated requests
3662306a36Sopenharmony_ci					for both capture and playback
3762306a36Sopenharmony_ci		function_name		name of the interface
3862306a36Sopenharmony_ci		=====================	=======================================
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