Lines Matching defs:snd_usb_substream

108 struct snd_usb_substream {  struct
109 	struct snd_usb_stream *stream;
110 	struct usb_device *dev;
111 	struct snd_pcm_substream *pcm_substream;
112 	int direction;	/* playback or capture */
113 	int interface;	/* current interface */
114 	int endpoint;	/* assigned endpoint */
115 	struct audioformat *cur_audiofmt;	/* current audioformat pointer (for hw_params callback) */
116 	snd_pcm_format_t pcm_format;	/* current audio format (for hw_params callback) */
117 	unsigned int channels;		/* current number of channels (for hw_params callback) */
118 	unsigned int channels_max;	/* max channels in the all audiofmts */
119 	unsigned int cur_rate;		/* current rate (for hw_params callback) */
120 	unsigned int period_bytes;	/* current period bytes (for hw_params callback) */
121 	unsigned int period_frames;	/* current frames per period */
122 	unsigned int buffer_periods;	/* current periods per buffer */
123 	unsigned int altset_idx;     /* USB data format: index of alternate setting */
124 	unsigned int txfr_quirk:1;	/* allow sub-frame alignment */
125 	unsigned int fmt_type;		/* USB audio format type (1-3) */
126 …igned int pkt_offset_adj;	/* Bytes to drop from beginning of packets (for non-compliant devices) */
128 	unsigned int running: 1;	/* running status */
130 	unsigned int hwptr_done;	/* processed byte position in the buffer */
131 	unsigned int transfer_done;		/* processed frames since last period update */
132 	unsigned int frame_limit;	/* limits number of packets in URB */
135 	unsigned int ep_num;		/* the endpoint number */
136 	struct snd_usb_endpoint *data_endpoint;
137 	struct snd_usb_endpoint *sync_endpoint;
138 	unsigned long flags;
139 	bool need_setup_ep;		/* (re)configure EP at prepare? */
163 	struct snd_usb_substream substream[2];  argument