diff options
author | Daniel Mack <daniel@caiaq.de> | 2009-04-01 19:05:39 +0200 |
---|---|---|
committer | Takashi Iwai <tiwai@suse.de> | 2009-04-14 13:31:17 +0200 |
commit | 936e7d03394bc6238091db10d060326622c87ed7 (patch) | |
tree | ce5e863a2a9669d3540fc2a4edb19db6cc67b6ea /sound/usb/caiaq/caiaq-audio.c | |
parent | e431cf45687d1ccb7c7d818defc2af34bd783db2 (diff) |
ALSA: snd-usb-caiaq: rename files to remove redundant information in file pathes
Cleanup only, no functional change.
Signed-off-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/usb/caiaq/caiaq-audio.c')
-rw-r--r-- | sound/usb/caiaq/caiaq-audio.c | 700 |
1 files changed, 0 insertions, 700 deletions
diff --git a/sound/usb/caiaq/caiaq-audio.c b/sound/usb/caiaq/caiaq-audio.c deleted file mode 100644 index cf373311086..00000000000 --- a/sound/usb/caiaq/caiaq-audio.c +++ /dev/null @@ -1,700 +0,0 @@ -/* - * Copyright (c) 2006-2008 Daniel Mack, Karsten Wiese - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA -*/ - -#include <linux/spinlock.h> -#include <linux/init.h> -#include <linux/usb.h> -#include <sound/core.h> -#include <sound/pcm.h> - -#include "caiaq-device.h" -#include "caiaq-audio.h" - -#define N_URBS 32 -#define CLOCK_DRIFT_TOLERANCE 5 -#define FRAMES_PER_URB 8 -#define BYTES_PER_FRAME 512 -#define CHANNELS_PER_STREAM 2 -#define BYTES_PER_SAMPLE 3 -#define BYTES_PER_SAMPLE_USB 4 -#define MAX_BUFFER_SIZE (128*1024) -#define MAX_ENDPOINT_SIZE 512 - -#define ENDPOINT_CAPTURE 2 -#define ENDPOINT_PLAYBACK 6 - -#define MAKE_CHECKBYTE(dev,stream,i) \ - (stream << 1) | (~(i / (dev->n_streams * BYTES_PER_SAMPLE_USB)) & 1) - -static struct snd_pcm_hardware snd_usb_caiaq_pcm_hardware = { - .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | - SNDRV_PCM_INFO_BLOCK_TRANSFER), - .formats = SNDRV_PCM_FMTBIT_S24_3BE, - .rates = (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | - SNDRV_PCM_RATE_96000), - .rate_min = 44100, - .rate_max = 0, /* will overwrite later */ - .channels_min = CHANNELS_PER_STREAM, - .channels_max = CHANNELS_PER_STREAM, - .buffer_bytes_max = MAX_BUFFER_SIZE, - .period_bytes_min = 128, - .period_bytes_max = MAX_BUFFER_SIZE, - .periods_min = 1, - .periods_max = 1024, -}; - -static void -activate_substream(struct snd_usb_caiaqdev *dev, - struct snd_pcm_substream *sub) -{ - if (sub->stream == SNDRV_PCM_STREAM_PLAYBACK) - dev->sub_playback[sub->number] = sub; - else - dev->sub_capture[sub->number] = sub; -} - -static void -deactivate_substream(struct snd_usb_caiaqdev *dev, - struct snd_pcm_substream *sub) -{ - unsigned long flags; - spin_lock_irqsave(&dev->spinlock, flags); - - if (sub->stream == SNDRV_PCM_STREAM_PLAYBACK) - dev->sub_playback[sub->number] = NULL; - else - dev->sub_capture[sub->number] = NULL; - - spin_unlock_irqrestore(&dev->spinlock, flags); -} - -static int -all_substreams_zero(struct snd_pcm_substream **subs) -{ - int i; - for (i = 0; i < MAX_STREAMS; i++) - if (subs[i] != NULL) - return 0; - return 1; -} - -static int stream_start(struct snd_usb_caiaqdev *dev) -{ - int i, ret; - - debug("%s(%p)\n", __func__, dev); - - if (dev->streaming) - return -EINVAL; - - memset(dev->sub_playback, 0, sizeof(dev->sub_playback)); - memset(dev->sub_capture, 0, sizeof(dev->sub_capture)); - dev->input_panic = 0; - dev->output_panic = 0; - dev->first_packet = 1; - dev->streaming = 1; - dev->warned = 0; - - for (i = 0; i < N_URBS; i++) { - ret = usb_submit_urb(dev->data_urbs_in[i], GFP_ATOMIC); - if (ret) { - log("unable to trigger read #%d! (ret %d)\n", i, ret); - dev->streaming = 0; - return -EPIPE; - } - } - - return 0; -} - -static void stream_stop(struct snd_usb_caiaqdev *dev) -{ - int i; - - debug("%s(%p)\n", __func__, dev); - if (!dev->streaming) - return; - - dev->streaming = 0; - - for (i = 0; i < N_URBS; i++) { - usb_kill_urb(dev->data_urbs_in[i]); - usb_kill_urb(dev->data_urbs_out[i]); - } -} - -static int snd_usb_caiaq_substream_open(struct snd_pcm_substream *substream) -{ - struct snd_usb_caiaqdev *dev = snd_pcm_substream_chip(substream); - debug("%s(%p)\n", __func__, substream); - substream->runtime->hw = dev->pcm_info; - snd_pcm_limit_hw_rates(substream->runtime); - return 0; -} - -static int snd_usb_caiaq_substream_close(struct snd_pcm_substream *substream) -{ - struct snd_usb_caiaqdev *dev = snd_pcm_substream_chip(substream); - - debug("%s(%p)\n", __func__, substream); - if (all_substreams_zero(dev->sub_playback) && - all_substreams_zero(dev->sub_capture)) { - /* when the last client has stopped streaming, - * all sample rates are allowed again */ - stream_stop(dev); - dev->pcm_info.rates = dev->samplerates; - } - - return 0; -} - -static int snd_usb_caiaq_pcm_hw_params(struct snd_pcm_substream *sub, - struct snd_pcm_hw_params *hw_params) -{ - debug("%s(%p)\n", __func__, sub); - return snd_pcm_lib_malloc_pages(sub, params_buffer_bytes(hw_params)); -} - -static int snd_usb_caiaq_pcm_hw_free(struct snd_pcm_substream *sub) -{ - struct snd_usb_caiaqdev *dev = snd_pcm_substream_chip(sub); - debug("%s(%p)\n", __func__, sub); - deactivate_substream(dev, sub); - return snd_pcm_lib_free_pages(sub); -} - -/* this should probably go upstream */ -#if SNDRV_PCM_RATE_5512 != 1 << 0 || SNDRV_PCM_RATE_192000 != 1 << 12 -#error "Change this table" -#endif - -static unsigned int rates[] = { 5512, 8000, 11025, 16000, 22050, 32000, 44100, - 48000, 64000, 88200, 96000, 176400, 192000 }; - -static int snd_usb_caiaq_pcm_prepare(struct snd_pcm_substream *substream) -{ - int bytes_per_sample, bpp, ret, i; - int index = substream->number; - struct snd_usb_caiaqdev *dev = snd_pcm_substream_chip(substream); - struct snd_pcm_runtime *runtime = substream->runtime; - - debug("%s(%p)\n", __func__, substream); - - if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) - dev->audio_out_buf_pos[index] = BYTES_PER_SAMPLE + 1; - else - dev->audio_in_buf_pos[index] = BYTES_PER_SAMPLE; - - if (dev->streaming) - return 0; - - /* the first client that opens a stream defines the sample rate - * setting for all subsequent calls, until the last client closed. */ - for (i=0; i < ARRAY_SIZE(rates); i++) - if (runtime->rate == rates[i]) - dev->pcm_info.rates = 1 << i; - - snd_pcm_limit_hw_rates(runtime); - - bytes_per_sample = BYTES_PER_SAMPLE; - if (dev->spec.data_alignment == 2) - bytes_per_sample++; - - bpp = ((runtime->rate / 8000) + CLOCK_DRIFT_TOLERANCE) - * bytes_per_sample * CHANNELS_PER_STREAM * dev->n_streams; - - if (bpp > MAX_ENDPOINT_SIZE) - bpp = MAX_ENDPOINT_SIZE; - - ret = snd_usb_caiaq_set_audio_params(dev, runtime->rate, - runtime->sample_bits, bpp); - if (ret) - return ret; - - ret = stream_start(dev); - if (ret) - return ret; - - dev->output_running = 0; - wait_event_timeout(dev->prepare_wait_queue, dev->output_running, HZ); - if (!dev->output_running) { - stream_stop(dev); - return -EPIPE; - } - - return 0; -} - -static int snd_usb_caiaq_pcm_trigger(struct snd_pcm_substream *sub, int cmd) -{ - struct snd_usb_caiaqdev *dev = snd_pcm_substream_chip(sub); - - switch (cmd) { - case SNDRV_PCM_TRIGGER_START: - case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: - activate_substream(dev, sub); - break; - case SNDRV_PCM_TRIGGER_STOP: - case SNDRV_PCM_TRIGGER_PAUSE_PUSH: - deactivate_substream(dev, sub); - break; - default: - return -EINVAL; - } - - return 0; -} - -static snd_pcm_uframes_t -snd_usb_caiaq_pcm_pointer(struct snd_pcm_substream *sub) -{ - int index = sub->number; - struct snd_usb_caiaqdev *dev = snd_pcm_substream_chip(sub); - - if (dev->input_panic || dev->output_panic) - return SNDRV_PCM_POS_XRUN; - - if (sub->stream == SNDRV_PCM_STREAM_PLAYBACK) - return bytes_to_frames(sub->runtime, - dev->audio_out_buf_pos[index]); - else - return bytes_to_frames(sub->runtime, - dev->audio_in_buf_pos[index]); -} - -/* operators for both playback and capture */ -static struct snd_pcm_ops snd_usb_caiaq_ops = { - .open = snd_usb_caiaq_substream_open, - .close = snd_usb_caiaq_substream_close, - .ioctl = snd_pcm_lib_ioctl, - .hw_params = snd_usb_caiaq_pcm_hw_params, - .hw_free = snd_usb_caiaq_pcm_hw_free, - .prepare = snd_usb_caiaq_pcm_prepare, - .trigger = snd_usb_caiaq_pcm_trigger, - .pointer = snd_usb_caiaq_pcm_pointer -}; - -static void check_for_elapsed_periods(struct snd_usb_caiaqdev *dev, - struct snd_pcm_substream **subs) -{ - int stream, pb, *cnt; - struct snd_pcm_substream *sub; - - for (stream = 0; stream < dev->n_streams; stream++) { - sub = subs[stream]; - if (!sub) - continue; - - pb = frames_to_bytes(sub->runtime, - sub->runtime->period_size); - cnt = (sub->stream == SNDRV_PCM_STREAM_PLAYBACK) ? - &dev->period_out_count[stream] : - &dev->period_in_count[stream]; - - if (*cnt >= pb) { - snd_pcm_period_elapsed(sub); - *cnt %= pb; - } - } -} - -static void read_in_urb_mode0(struct snd_usb_caiaqdev *dev, - const struct urb *urb, - const struct usb_iso_packet_descriptor *iso) -{ - unsigned char *usb_buf = urb->transfer_buffer + iso->offset; - struct snd_pcm_substream *sub; - int stream, i; - - if (all_substreams_zero(dev->sub_capture)) - return; - - for (i = 0; i < iso->actual_length;) { - for (stream = 0; stream < dev->n_streams; stream++, i++) { - sub = dev->sub_capture[stream]; - if (sub) { - struct snd_pcm_runtime *rt = sub->runtime; - char *audio_buf = rt->dma_area; - int sz = frames_to_bytes(rt, rt->buffer_size); - audio_buf[dev->audio_in_buf_pos[stream]++] - = usb_buf[i]; - dev->period_in_count[stream]++; - if (dev->audio_in_buf_pos[stream] == sz) - dev->audio_in_buf_pos[stream] = 0; - } - } - } -} - -static void read_in_urb_mode2(struct snd_usb_caiaqdev *dev, - const struct urb *urb, - const struct usb_iso_packet_descriptor *iso) -{ - unsigned char *usb_buf = urb->transfer_buffer + iso->offset; - unsigned char check_byte; - struct snd_pcm_substream *sub; - int stream, i; - - for (i = 0; i < iso->actual_length;) { - if (i % (dev->n_streams * BYTES_PER_SAMPLE_USB) == 0) { - for (stream = 0; - stream < dev->n_streams; - stream++, i++) { - if (dev->first_packet) - continue; - - check_byte = MAKE_CHECKBYTE(dev, stream, i); - - if ((usb_buf[i] & 0x3f) != check_byte) - dev->input_panic = 1; - - if (usb_buf[i] & 0x80) - dev->output_panic = 1; - } - } - dev->first_packet = 0; - - for (stream = 0; stream < dev->n_streams; stream++, i++) { - sub = dev->sub_capture[stream]; - if (dev->input_panic) - usb_buf[i] = 0; - - if (sub) { - struct snd_pcm_runtime *rt = sub->runtime; - char *audio_buf = rt->dma_area; - int sz = frames_to_bytes(rt, rt->buffer_size); - audio_buf[dev->audio_in_buf_pos[stream]++] = - usb_buf[i]; - dev->period_in_count[stream]++; - if (dev->audio_in_buf_pos[stream] == sz) - dev->audio_in_buf_pos[stream] = 0; - } - } - } -} - -static void read_in_urb(struct snd_usb_caiaqdev *dev, - const struct urb *urb, - const struct usb_iso_packet_descriptor *iso) -{ - if (!dev->streaming) - return; - - if (iso->actual_length < dev->bpp) - return; - - switch (dev->spec.data_alignment) { - case 0: - read_in_urb_mode0(dev, urb, iso); - break; - case 2: - read_in_urb_mode2(dev, urb, iso); - break; - } - - if ((dev->input_panic || dev->output_panic) && !dev->warned) { - debug("streaming error detected %s %s\n", - dev->input_panic ? "(input)" : "", - dev->output_panic ? "(output)" : ""); - dev->warned = 1; - } -} - -static void fill_out_urb(struct snd_usb_caiaqdev *dev, - struct urb *urb, - const struct usb_iso_packet_descriptor *iso) -{ - unsigned char *usb_buf = urb->transfer_buffer + iso->offset; - struct snd_pcm_substream *sub; - int stream, i; - - for (i = 0; i < iso->length;) { - for (stream = 0; stream < dev->n_streams; stream++, i++) { - sub = dev->sub_playback[stream]; - if (sub) { - struct snd_pcm_runtime *rt = sub->runtime; - char *audio_buf = rt->dma_area; - int sz = frames_to_bytes(rt, rt->buffer_size); - usb_buf[i] = - audio_buf[dev->audio_out_buf_pos[stream]]; - dev->period_out_count[stream]++; - dev->audio_out_buf_pos[stream]++; - if (dev->audio_out_buf_pos[stream] == sz) - dev->audio_out_buf_pos[stream] = 0; - } else - usb_buf[i] = 0; - } - - /* fill in the check bytes */ - if (dev->spec.data_alignment == 2 && - i % (dev->n_streams * BYTES_PER_SAMPLE_USB) == - (dev->n_streams * CHANNELS_PER_STREAM)) - for (stream = 0; stream < dev->n_streams; stream++, i++) - usb_buf[i] = MAKE_CHECKBYTE(dev, stream, i); - } -} - -static void read_completed(struct urb *urb) -{ - struct snd_usb_caiaq_cb_info *info = urb->context; - struct snd_usb_caiaqdev *dev; - struct urb *out; - int frame, len, send_it = 0, outframe = 0; - - if (urb->status || !info) - return; - - dev = info->dev; - - if (!dev->streaming) - return; - - out = dev->data_urbs_out[info->index]; - - /* read the recently received packet and send back one which has - * the same layout */ - for (frame = 0; frame < FRAMES_PER_URB; frame++) { - if (urb->iso_frame_desc[frame].status) - continue; - - len = urb->iso_frame_desc[outframe].actual_length; - out->iso_frame_desc[outframe].length = len; - out->iso_frame_desc[outframe].actual_length = 0; - out->iso_frame_desc[outframe].offset = BYTES_PER_FRAME * frame; - - if (len > 0) { - spin_lock(&dev->spinlock); - fill_out_urb(dev, out, &out->iso_frame_desc[outframe]); - read_in_urb(dev, urb, &urb->iso_frame_desc[frame]); - spin_unlock(&dev->spinlock); - check_for_elapsed_periods(dev, dev->sub_playback); - check_for_elapsed_periods(dev, dev->sub_capture); - send_it = 1; - } - - outframe++; - } - - if (send_it) { - out->number_of_packets = FRAMES_PER_URB; - out->transfer_flags = URB_ISO_ASAP; - usb_submit_urb(out, GFP_ATOMIC); - } - - /* re-submit inbound urb */ - for (frame = 0; frame < FRAMES_PER_URB; frame++) { - urb->iso_frame_desc[frame].offset = BYTES_PER_FRAME * frame; - urb->iso_frame_desc[frame].length = BYTES_PER_FRAME; - urb->iso_frame_desc[frame].actual_length = 0; - } - - urb->number_of_packets = FRAMES_PER_URB; - urb->transfer_flags = URB_ISO_ASAP; - usb_submit_urb(urb, GFP_ATOMIC); -} - -static void write_completed(struct urb *urb) -{ - struct snd_usb_caiaq_cb_info *info = urb->context; - struct snd_usb_caiaqdev *dev = info->dev; - - if (!dev->output_running) { - dev->output_running = 1; - wake_up(&dev->prepare_wait_queue); - } -} - -static struct urb **alloc_urbs(struct snd_usb_caiaqdev *dev, int dir, int *ret) -{ - int i, frame; - struct urb **urbs; - struct usb_device *usb_dev = dev->chip.dev; - unsigned int pipe; - - pipe = (dir == SNDRV_PCM_STREAM_PLAYBACK) ? - usb_sndisocpipe(usb_dev, ENDPOINT_PLAYBACK) : - usb_rcvisocpipe(usb_dev, ENDPOINT_CAPTURE); - - urbs = kmalloc(N_URBS * sizeof(*urbs), GFP_KERNEL); - if (!urbs) { - log("unable to kmalloc() urbs, OOM!?\n"); - *ret = -ENOMEM; - return NULL; - } - - for (i = 0; i < N_URBS; i++) { - urbs[i] = usb_alloc_urb(FRAMES_PER_URB, GFP_KERNEL); - if (!urbs[i]) { - log("unable to usb_alloc_urb(), OOM!?\n"); - *ret = -ENOMEM; - return urbs; - } - - urbs[i]->transfer_buffer = - kmalloc(FRAMES_PER_URB * BYTES_PER_FRAME, GFP_KERNEL); - if (!urbs[i]->transfer_buffer) { - log("unable to kmalloc() transfer buffer, OOM!?\n"); - *ret = -ENOMEM; - return urbs; - } - - for (frame = 0; frame < FRAMES_PER_URB; frame++) { - struct usb_iso_packet_descriptor *iso = - &urbs[i]->iso_frame_desc[frame]; - - iso->offset = BYTES_PER_FRAME * frame; - iso->length = BYTES_PER_FRAME; - } - - urbs[i]->dev = usb_dev; - urbs[i]->pipe = pipe; - urbs[i]->transfer_buffer_length = FRAMES_PER_URB - * BYTES_PER_FRAME; - urbs[i]->context = &dev->data_cb_info[i]; - urbs[i]->interval = 1; - urbs[i]->transfer_flags = URB_ISO_ASAP; - urbs[i]->number_of_packets = FRAMES_PER_URB; - urbs[i]->complete = (dir == SNDRV_PCM_STREAM_CAPTURE) ? - read_completed : write_completed; - } - - *ret = 0; - return urbs; -} - -static void free_urbs(struct urb **urbs) -{ - int i; - - if (!urbs) - return; - - for (i = 0; i < N_URBS; i++) { - if (!urbs[i]) - continue; - - usb_kill_urb(urbs[i]); - kfree(urbs[i]->transfer_buffer); - usb_free_urb(urbs[i]); - } - - kfree(urbs); -} - -int snd_usb_caiaq_audio_init(struct snd_usb_caiaqdev *dev) -{ - int i, ret; - - dev->n_audio_in = max(dev->spec.num_analog_audio_in, - dev->spec.num_digital_audio_in) / - CHANNELS_PER_STREAM; - dev->n_audio_out = max(dev->spec.num_analog_audio_out, - dev->spec.num_digital_audio_out) / - CHANNELS_PER_STREAM; - dev->n_streams = max(dev->n_audio_in, dev->n_audio_out); - - debug("dev->n_audio_in = %d\n", dev->n_audio_in); - debug("dev->n_audio_out = %d\n", dev->n_audio_out); - debug("dev->n_streams = %d\n", dev->n_streams); - - if (dev->n_streams > MAX_STREAMS) { - log("unable to initialize device, too many streams.\n"); - return -EINVAL; - } - - ret = snd_pcm_new(dev->chip.card, dev->product_name, 0, - dev->n_audio_out, dev->n_audio_in, &dev->pcm); - - if (ret < 0) { - log("snd_pcm_new() returned %d\n", ret); - return ret; - } - - dev->pcm->private_data = dev; - strcpy(dev->pcm->name, dev->product_name); - - memset(dev->sub_playback, 0, sizeof(dev->sub_playback)); - memset(dev->sub_capture, 0, sizeof(dev->sub_capture)); - - memcpy(&dev->pcm_info, &snd_usb_caiaq_pcm_hardware, - sizeof(snd_usb_caiaq_pcm_hardware)); - - /* setup samplerates */ - dev->samplerates = dev->pcm_info.rates; - switch (dev->chip.usb_id) { - case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AK1): - case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_RIGKONTROL3): - case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_SESSIONIO): - case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_GUITARRIGMOBILE): - dev->samplerates |= SNDRV_PCM_RATE_192000; - /* fall thru */ - case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO4DJ): - case USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_AUDIO8DJ): - dev->samplerates |= SNDRV_PCM_RATE_88200; - break; - } - - snd_pcm_set_ops(dev->pcm, SNDRV_PCM_STREAM_PLAYBACK, - &snd_usb_caiaq_ops); - snd_pcm_set_ops(dev->pcm, SNDRV_PCM_STREAM_CAPTURE, - &snd_usb_caiaq_ops); - - snd_pcm_lib_preallocate_pages_for_all(dev->pcm, - SNDRV_DMA_TYPE_CONTINUOUS, - snd_dma_continuous_data(GFP_KERNEL), - MAX_BUFFER_SIZE, MAX_BUFFER_SIZE); - - dev->data_cb_info = - kmalloc(sizeof(struct snd_usb_caiaq_cb_info) * N_URBS, - GFP_KERNEL); - - if (!dev->data_cb_info) - return -ENOMEM; - - for (i = 0; i < N_URBS; i++) { - dev->data_cb_info[i].dev = dev; - dev->data_cb_info[i].index = i; - } - - dev->data_urbs_in = alloc_urbs(dev, SNDRV_PCM_STREAM_CAPTURE, &ret); - if (ret < 0) { - kfree(dev->data_cb_info); - free_urbs(dev->data_urbs_in); - return ret; - } - - dev->data_urbs_out = alloc_urbs(dev, SNDRV_PCM_STREAM_PLAYBACK, &ret); - if (ret < 0) { - kfree(dev->data_cb_info); - free_urbs(dev->data_urbs_in); - free_urbs(dev->data_urbs_out); - return ret; - } - - return 0; -} - -void snd_usb_caiaq_audio_free(struct snd_usb_caiaqdev *dev) -{ - debug("%s(%p)\n", __func__, dev); - stream_stop(dev); - free_urbs(dev->data_urbs_in); - free_urbs(dev->data_urbs_out); - kfree(dev->data_cb_info); -} - |