sound/usb/card.h

1 /* SPDX-License-Identifier: GPL-2.0 */
16 	unsigned int fmt_type;		/* USB audio format type (1-3) */
18 	unsigned int frame_size;	/* samples per frame for non-audio */
33 	unsigned int maxpacksize;	/* max. packet size */
35 	unsigned int rate_min, rate_max;	/* min/max rates */
53 	unsigned int buffer_size;	/* size of data buffer, if data URB */
59 	int packet_size[MAX_PACKS_HS]; /* size of packets for next submission */
68 	int opened;		/* open refcount; protect with chip->mutex */
116 	unsigned int maxpacksize;	/* max packet size in bytes */
117 	unsigned int maxframesize;      /* max packet size in frames */
118 	unsigned int max_urb_frames;	/* max URB size in frames */
119 	unsigned int curpacksize;	/* current packet size in bytes (for capture) */
120 	unsigned int curframesize;      /* current packet size in frames (for capture) */
121 	unsigned int syncmaxsize;	/* sync endpoint packet size */
122 	unsigned int fill_max:1;	/* fill max packet size always */
131 	bool lowlatency_playback;	/* low-latency playback mode */
132 	bool need_setup;		/* (re-)need for hw_params? */
133 	bool need_prepare;		/* (re-)need for prepare? */
160 	unsigned int channels_max;	/* max channels in the all audiofmts */
161 	unsigned int txfr_quirk:1;	/* allow sub-frame alignment */
163 	unsigned int fmt_type;		/* USB audio format type (1-3) */
164 …unsigned int pkt_offset_adj;	/* Bytes to drop from beginning of packets (for non-compliant devices…
165 …unsigned int stream_offset_adj;	/* Bytes to drop from beginning of stream (for non-compliant devic…
170 	unsigned int buffer_bytes;	/* buffer size in bytes */
171 	unsigned int inflight_bytes;	/* in-flight data bytes on buffer (for playback) */
188 	unsigned int last_frame_number;	/* stored frame number */
197 	bool lowlatency_playback;	/* low-latency playback mode */
205 	unsigned int fmt_type;		/* USB audio format type (1-3) */