sound/usb/uaudio.c

110     &uaudio_default_channels, 0, "uaudio default sample channels");
154 #define	UAUDIO_MATRIX_MAX	8	/* channels */
228 	uint8_t channels;
1055 			    sc->sc_play_chan[i].usb_alt[x].channels,
1086 			    sc->sc_rec_chan[i].usb_alt[x].channels,
1747     uint32_t rate, uint8_t channels, uint8_t bit_resolution)
1962 			if ((bChannels != channels) ||
1964 				DPRINTF("Wrong number of channels\n");
2040 			if ((bChannels != channels) ||
2042 				DPRINTF("Wrong number of channels\n");
2070 		DPRINTF("Sample rate = %dHz, channels = %d, "
2071 		    "bits = %d, format = %s, ep 0x%02x, chan %p\n", rate, channels,
2087 		chan_alt->sample_size = (UAUDIO_MAX_CHAN(channels) *
2089 		chan_alt->channels = channels;
2103 		format = SND_FORMAT(format, chan_alt->channels, 0);
2105 		switch (chan_alt->channels) {
2144 		if (chan_alt->channels > UAUDIO_MATRIX_MAX)
2157 				    channels, p_fmt->bPrecision,
2200 	uint8_t channels = uaudio_default_channels;
2210 	if (channels > UAUDIO_CHANNELS_MAX)
2211 		channels = UAUDIO_CHANNELS_MAX;
2222 		/* more channels on request */
2223 		if (channels > channels_max)
2224 			channels_max = channels;
2230 	if (channels == 0)
2231 		channels = channels_max;
2238 	for (x = channels; x; x--) {
2259 		/* after default value in first round, proceed with max channels */
2260 		if (x == channels)
2263 		if (x == (channels + 1))
2720 		DPRINTF("ERROR: PCM channels does not have a mutex!\n");
2799 	.channels = 2,
3283 		/* set default value for all channels */
3371 	uint32_t mc;			/* matching channels */
3372 	uint32_t ichs;			/* input channels */
3373 	uint32_t ochs;			/* output channels */
3375 	uint32_t chs;			/* channels */
3382 	/* compute the number of input channels */
3392 	/* and the number of output channels */
3448 	uint32_t mc;			/* matching channels */
3449 	uint32_t ichs;			/* input channels */
3450 	uint32_t ochs;			/* output channels */
3452 	uint32_t chs;			/* channels */
3459 	/* compute the number of input channels */
3469 	/* and the number of output channels */