PNG  IHDR;IDATxܻn0K )(pA 7LeG{ §㻢|ذaÆ 6lذaÆ 6lذaÆ 6lom$^yذag5bÆ 6lذaÆ 6lذa{ 6lذaÆ `}HFkm,mӪôô! x|'ܢ˟;E:9&ᶒ}{v]n&6 h_tڠ͵-ҫZ;Z$.Pkž)!o>}leQfJTu іچ\X=8Rن4`Vwl>nG^is"ms$ui?wbs[m6K4O.4%/bC%t Mז -lG6mrz2s%9s@-k9=)kB5\+͂Zsٲ Rn~GRC wIcIn7jJhۛNCS|j08yiHKֶۛkɈ+;SzL/F*\Ԕ#"5m2[S=gnaPeғL lذaÆ 6l^ḵaÆ 6lذaÆ 6lذa; _ذaÆ 6lذaÆ 6lذaÆ RIENDB` /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ /* * Copyright (C) 2007, 2008 Karsten Wiese */ #ifndef __SOUND_USB_STREAM_H #define __SOUND_USB_STREAM_H #define USB_STREAM_INTERFACE_VERSION 2 #define SNDRV_USB_STREAM_IOCTL_SET_PARAMS \ _IOW('H', 0x90, struct usb_stream_config) struct usb_stream_packet { unsigned offset; unsigned length; }; struct usb_stream_config { unsigned version; unsigned sample_rate; unsigned period_frames; unsigned frame_size; }; struct usb_stream { struct usb_stream_config cfg; unsigned read_size; unsigned write_size; int period_size; unsigned state; int idle_insize; int idle_outsize; int sync_packet; unsigned insize_done; unsigned periods_done; unsigned periods_polled; struct usb_stream_packet outpacket[2]; unsigned inpackets; unsigned inpacket_head; unsigned inpacket_split; unsigned inpacket_split_at; unsigned next_inpacket_split; unsigned next_inpacket_split_at; struct usb_stream_packet inpacket[0]; }; enum usb_stream_state { usb_stream_invalid, usb_stream_stopped, usb_stream_sync0, usb_stream_sync1, usb_stream_ready, usb_stream_running, usb_stream_xrun, }; #endif /* __SOUND_USB_STREAM_H */