diff options
author | Takashi Iwai <tiwai@suse.de> | 2015-01-23 16:10:57 +0100 |
---|---|---|
committer | Takashi Iwai <tiwai@suse.de> | 2015-01-28 07:21:18 +0100 |
commit | ad0119abe29fe3d506486a789de4c4619fa7602c (patch) | |
tree | ebbb5c893a11998437fba5bbfd0b22a63f70fe71 | |
parent | ab5cdcbab2efb833b4c199d0b0a6603af080eaa2 (diff) |
ALSA: line6: Rearrange PCM structure
Introduce a new line6_pcm_stream structure and group individual
fields of snd_line6_pcm struct to playback and capture groups.
This patch itself just does rename and nothing else. More
meaningful cleanups based on these fields shuffling will follow.
Tested-by: Chris Rorvick <chris@rorvick.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
-rw-r--r-- | sound/usb/line6/capture.c | 64 | ||||
-rw-r--r-- | sound/usb/line6/pcm.c | 50 | ||||
-rw-r--r-- | sound/usb/line6/pcm.h | 158 | ||||
-rw-r--r-- | sound/usb/line6/playback.c | 78 |
4 files changed, 142 insertions, 208 deletions
diff --git a/sound/usb/line6/capture.c b/sound/usb/line6/capture.c index bad1b5b02786..439f1941eb56 100644 --- a/sound/usb/line6/capture.c +++ b/sound/usb/line6/capture.c @@ -29,17 +29,17 @@ static int submit_audio_in_urb(struct snd_line6_pcm *line6pcm) int ret; struct urb *urb_in; - spin_lock_irqsave(&line6pcm->lock_audio_in, flags); + spin_lock_irqsave(&line6pcm->in.lock, flags); index = - find_first_zero_bit(&line6pcm->active_urb_in, LINE6_ISO_BUFFERS); + find_first_zero_bit(&line6pcm->in.active_urbs, LINE6_ISO_BUFFERS); if (index < 0 || index >= LINE6_ISO_BUFFERS) { - spin_unlock_irqrestore(&line6pcm->lock_audio_in, flags); + spin_unlock_irqrestore(&line6pcm->in.lock, flags); dev_err(line6pcm->line6->ifcdev, "no free URB found\n"); return -EINVAL; } - urb_in = line6pcm->urb_audio_in[index]; + urb_in = line6pcm->in.urbs[index]; urb_size = 0; for (i = 0; i < LINE6_ISO_PACKETS; ++i) { @@ -51,7 +51,7 @@ static int submit_audio_in_urb(struct snd_line6_pcm *line6pcm) } urb_in->transfer_buffer = - line6pcm->buffer_in + + line6pcm->in.buffer + index * LINE6_ISO_PACKETS * line6pcm->max_packet_size; urb_in->transfer_buffer_length = urb_size; urb_in->context = line6pcm; @@ -59,12 +59,12 @@ static int submit_audio_in_urb(struct snd_line6_pcm *line6pcm) ret = usb_submit_urb(urb_in, GFP_ATOMIC); if (ret == 0) - set_bit(index, &line6pcm->active_urb_in); + set_bit(index, &line6pcm->in.active_urbs); else dev_err(line6pcm->line6->ifcdev, "URB in #%d submission failed (%d)\n", index, ret); - spin_unlock_irqrestore(&line6pcm->lock_audio_in, flags); + spin_unlock_irqrestore(&line6pcm->in.lock, flags); return 0; } @@ -92,9 +92,9 @@ void line6_unlink_audio_in_urbs(struct snd_line6_pcm *line6pcm) unsigned int i; for (i = 0; i < LINE6_ISO_BUFFERS; i++) { - if (test_bit(i, &line6pcm->active_urb_in)) { - if (!test_and_set_bit(i, &line6pcm->unlink_urb_in)) { - struct urb *u = line6pcm->urb_audio_in[i]; + if (test_bit(i, &line6pcm->in.active_urbs)) { + if (!test_and_set_bit(i, &line6pcm->in.unlink_urbs)) { + struct urb *u = line6pcm->in.urbs[i]; usb_unlink_urb(u); } @@ -115,7 +115,7 @@ void line6_wait_clear_audio_in_urbs(struct snd_line6_pcm *line6pcm) do { alive = 0; for (i = 0; i < LINE6_ISO_BUFFERS; i++) { - if (test_bit(i, &line6pcm->active_urb_in)) + if (test_bit(i, &line6pcm->in.active_urbs)) alive++; } if (!alive) @@ -150,18 +150,18 @@ void line6_capture_copy(struct snd_line6_pcm *line6pcm, char *fbuf, int fsize) if (runtime == NULL) return; - if (line6pcm->pos_in_done + frames > runtime->buffer_size) { + if (line6pcm->in.pos_done + frames > runtime->buffer_size) { /* The transferred area goes over buffer boundary, copy two separate chunks. */ int len; - len = runtime->buffer_size - line6pcm->pos_in_done; + len = runtime->buffer_size - line6pcm->in.pos_done; if (len > 0) { memcpy(runtime->dma_area + - line6pcm->pos_in_done * bytes_per_frame, fbuf, + line6pcm->in.pos_done * bytes_per_frame, fbuf, len * bytes_per_frame); memcpy(runtime->dma_area, fbuf + len * bytes_per_frame, (frames - len) * bytes_per_frame); @@ -173,12 +173,12 @@ void line6_capture_copy(struct snd_line6_pcm *line6pcm, char *fbuf, int fsize) } else { /* copy single chunk */ memcpy(runtime->dma_area + - line6pcm->pos_in_done * bytes_per_frame, fbuf, fsize); + line6pcm->in.pos_done * bytes_per_frame, fbuf, fsize); } - line6pcm->pos_in_done += frames; - if (line6pcm->pos_in_done >= runtime->buffer_size) - line6pcm->pos_in_done -= runtime->buffer_size; + line6pcm->in.pos_done += frames; + if (line6pcm->in.pos_done >= runtime->buffer_size) + line6pcm->in.pos_done -= runtime->buffer_size; } void line6_capture_check_period(struct snd_line6_pcm *line6pcm, int length) @@ -186,17 +186,17 @@ void line6_capture_check_period(struct snd_line6_pcm *line6pcm, int length) struct snd_pcm_substream *substream = get_substream(line6pcm, SNDRV_PCM_STREAM_CAPTURE); - line6pcm->bytes_in += length; - if (line6pcm->bytes_in >= line6pcm->period_in) { - line6pcm->bytes_in %= line6pcm->period_in; + line6pcm->in.bytes += length; + if (line6pcm->in.bytes >= line6pcm->in.period) { + line6pcm->in.bytes %= line6pcm->in.period; snd_pcm_period_elapsed(substream); } } void line6_free_capture_buffer(struct snd_line6_pcm *line6pcm) { - kfree(line6pcm->buffer_in); - line6pcm->buffer_in = NULL; + kfree(line6pcm->in.buffer); + line6pcm->in.buffer = NULL; } /* @@ -209,14 +209,14 @@ static void audio_in_callback(struct urb *urb) struct snd_line6_pcm *line6pcm = (struct snd_line6_pcm *)urb->context; - line6pcm->last_frame_in = urb->start_frame; + line6pcm->in.last_frame = urb->start_frame; /* find index of URB */ for (index = 0; index < LINE6_ISO_BUFFERS; ++index) - if (urb == line6pcm->urb_audio_in[index]) + if (urb == line6pcm->in.urbs[index]) break; - spin_lock_irqsave(&line6pcm->lock_audio_in, flags); + spin_lock_irqsave(&line6pcm->in.lock, flags); for (i = 0; i < LINE6_ISO_PACKETS; ++i) { char *fbuf; @@ -249,12 +249,12 @@ static void audio_in_callback(struct urb *urb) line6_capture_copy(line6pcm, fbuf, fsize); } - clear_bit(index, &line6pcm->active_urb_in); + clear_bit(index, &line6pcm->in.active_urbs); - if (test_and_clear_bit(index, &line6pcm->unlink_urb_in)) + if (test_and_clear_bit(index, &line6pcm->in.unlink_urbs)) shutdown = 1; - spin_unlock_irqrestore(&line6pcm->lock_audio_in, flags); + spin_unlock_irqrestore(&line6pcm->in.lock, flags); if (!shutdown) { submit_audio_in_urb(line6pcm); @@ -309,7 +309,7 @@ static int snd_line6_capture_hw_params(struct snd_pcm_substream *substream, return ret; } - line6pcm->period_in = params_period_bytes(hw_params); + line6pcm->in.period = params_period_bytes(hw_params); return 0; } @@ -361,7 +361,7 @@ snd_line6_capture_pointer(struct snd_pcm_substream *substream) { struct snd_line6_pcm *line6pcm = snd_pcm_substream_chip(substream); - return line6pcm->pos_in_done; + return line6pcm->in.pos_done; } /* capture operators */ @@ -386,7 +386,7 @@ int line6_create_audio_in_urbs(struct snd_line6_pcm *line6pcm) struct urb *urb; /* URB for audio in: */ - urb = line6pcm->urb_audio_in[i] = + urb = line6pcm->in.urbs[i] = usb_alloc_urb(LINE6_ISO_PACKETS, GFP_KERNEL); if (urb == NULL) diff --git a/sound/usb/line6/pcm.c b/sound/usb/line6/pcm.c index 43474c4ebb6b..738bfd82cecd 100644 --- a/sound/usb/line6/pcm.c +++ b/sound/usb/line6/pcm.c @@ -112,11 +112,11 @@ int line6_pcm_acquire(struct snd_line6_pcm *line6pcm, int channels) if (test_flags(flags_old, flags_new, LINE6_BITS_CAPTURE_BUFFER)) { /* Invoked multiple times in a row so allocate once only */ - if (!line6pcm->buffer_in) { - line6pcm->buffer_in = + if (!line6pcm->in.buffer) { + line6pcm->in.buffer = kmalloc(LINE6_ISO_BUFFERS * LINE6_ISO_PACKETS * line6pcm->max_packet_size, GFP_KERNEL); - if (!line6pcm->buffer_in) { + if (!line6pcm->in.buffer) { err = -ENOMEM; goto pcm_acquire_error; } @@ -131,13 +131,13 @@ int line6_pcm_acquire(struct snd_line6_pcm *line6pcm, int channels) a bug, we therefore report an error if capturing is restarted too soon. */ - if (line6pcm->active_urb_in || line6pcm->unlink_urb_in) { + if (line6pcm->in.active_urbs || line6pcm->in.unlink_urbs) { dev_err(line6pcm->line6->ifcdev, "Device not yet ready\n"); err = -EBUSY; goto pcm_acquire_error; } - line6pcm->count_in = 0; + line6pcm->in.count = 0; line6pcm->prev_fsize = 0; err = line6_submit_audio_in_all_urbs(line6pcm); @@ -149,11 +149,11 @@ int line6_pcm_acquire(struct snd_line6_pcm *line6pcm, int channels) if (test_flags(flags_old, flags_new, LINE6_BITS_PLAYBACK_BUFFER)) { /* Invoked multiple times in a row so allocate once only */ - if (!line6pcm->buffer_out) { - line6pcm->buffer_out = + if (!line6pcm->out.buffer) { + line6pcm->out.buffer = kmalloc(LINE6_ISO_BUFFERS * LINE6_ISO_PACKETS * line6pcm->max_packet_size, GFP_KERNEL); - if (!line6pcm->buffer_out) { + if (!line6pcm->out.buffer) { err = -ENOMEM; goto pcm_acquire_error; } @@ -166,12 +166,12 @@ int line6_pcm_acquire(struct snd_line6_pcm *line6pcm, int channels) /* See comment above regarding PCM restart. */ - if (line6pcm->active_urb_out || line6pcm->unlink_urb_out) { + if (line6pcm->out.active_urbs || line6pcm->out.unlink_urbs) { dev_err(line6pcm->line6->ifcdev, "Device not yet ready\n"); return -EBUSY; } - line6pcm->count_out = 0; + line6pcm->out.count = 0; err = line6_submit_audio_out_all_urbs(line6pcm); if (err < 0) @@ -331,13 +331,13 @@ static void line6_cleanup_pcm(struct snd_pcm *pcm) struct snd_line6_pcm *line6pcm = snd_pcm_chip(pcm); for (i = 0; i < LINE6_ISO_BUFFERS; i++) { - if (line6pcm->urb_audio_out[i]) { - usb_kill_urb(line6pcm->urb_audio_out[i]); - usb_free_urb(line6pcm->urb_audio_out[i]); + if (line6pcm->out.urbs[i]) { + usb_kill_urb(line6pcm->out.urbs[i]); + usb_free_urb(line6pcm->out.urbs[i]); } - if (line6pcm->urb_audio_in[i]) { - usb_kill_urb(line6pcm->urb_audio_in[i]); - usb_free_urb(line6pcm->urb_audio_in[i]); + if (line6pcm->in.urbs[i]) { + usb_kill_urb(line6pcm->in.urbs[i]); + usb_free_urb(line6pcm->in.urbs[i]); } } kfree(line6pcm); @@ -415,8 +415,8 @@ int line6_init_pcm(struct usb_line6 *line6, usb_maxpacket(line6->usbdev, usb_sndisocpipe(line6->usbdev, ep_write), 1)); - spin_lock_init(&line6pcm->lock_audio_out); - spin_lock_init(&line6pcm->lock_audio_in); + spin_lock_init(&line6pcm->out.lock); + spin_lock_init(&line6pcm->in.lock); line6pcm->impulse_period = LINE6_IMPULSE_DEFAULT_PERIOD; line6->line6pcm = line6pcm; @@ -464,13 +464,13 @@ int snd_line6_prepare(struct snd_pcm_substream *substream) } if (!test_and_set_bit(LINE6_INDEX_PREPARED, &line6pcm->flags)) { - line6pcm->count_out = 0; - line6pcm->pos_out = 0; - line6pcm->pos_out_done = 0; - line6pcm->bytes_out = 0; - line6pcm->count_in = 0; - line6pcm->pos_in_done = 0; - line6pcm->bytes_in = 0; + line6pcm->out.count = 0; + line6pcm->out.pos = 0; + line6pcm->out.pos_done = 0; + line6pcm->out.bytes = 0; + line6pcm->in.count = 0; + line6pcm->in.pos_done = 0; + line6pcm->in.bytes = 0; } return 0; diff --git a/sound/usb/line6/pcm.h b/sound/usb/line6/pcm.h index a84753ee0fa2..4c74f4e85074 100644 --- a/sound/usb/line6/pcm.h +++ b/sound/usb/line6/pcm.h @@ -165,115 +165,78 @@ struct line6_pcm_properties { int bytes_per_frame; }; -struct snd_line6_pcm { - /** - Pointer back to the Line 6 driver data structure. - */ - struct usb_line6 *line6; +struct line6_pcm_stream { + /* allocated URBs */ + struct urb *urbs[LINE6_ISO_BUFFERS]; - /** - Properties. - */ - struct line6_pcm_properties *properties; + /* Temporary buffer; + * Since the packet size is not known in advance, this buffer is + * large enough to store maximum size packets. + */ + unsigned char *buffer; - /** - ALSA pcm stream - */ - struct snd_pcm *pcm; + /* Free frame position in the buffer. */ + snd_pcm_uframes_t pos; - /** - URBs for audio playback. - */ - struct urb *urb_audio_out[LINE6_ISO_BUFFERS]; + /* Count processed bytes; + * This is modulo period size (to determine when a period is finished). + */ + unsigned bytes; - /** - URBs for audio capture. - */ - struct urb *urb_audio_in[LINE6_ISO_BUFFERS]; + /* Counter to create desired sample rate */ + unsigned count; - /** - Temporary buffer for playback. - Since the packet size is not known in advance, this buffer is - large enough to store maximum size packets. - */ - unsigned char *buffer_out; + /* period size in bytes */ + unsigned period; - /** - Temporary buffer for capture. - Since the packet size is not known in advance, this buffer is - large enough to store maximum size packets. - */ - unsigned char *buffer_in; + /* Processed frame position in the buffer; + * The contents of the ring buffer have been consumed by the USB + * subsystem (i.e., sent to the USB device) up to this position. + */ + snd_pcm_uframes_t pos_done; - /** - Previously captured frame (for software monitoring). - */ - unsigned char *prev_fbuf; + /* Bit mask of active URBs */ + unsigned long active_urbs; - /** - Size of previously captured frame (for software monitoring). - */ - int prev_fsize; - - /** - Free frame position in the playback buffer. - */ - snd_pcm_uframes_t pos_out; + /* Bit mask of URBs currently being unlinked */ + unsigned long unlink_urbs; - /** - Count processed bytes for playback. - This is modulo period size (to determine when a period is - finished). - */ - unsigned bytes_out; + /* Spin lock to protect updates of the buffer positions (not contents) + */ + spinlock_t lock; - /** - Counter to create desired playback sample rate. - */ - unsigned count_out; - - /** - Playback period size in bytes - */ - unsigned period_out; + int last_frame; +}; +struct snd_line6_pcm { /** - Processed frame position in the playback buffer. - The contents of the output ring buffer have been consumed by - the USB subsystem (i.e., sent to the USB device) up to this - position. + Pointer back to the Line 6 driver data structure. */ - snd_pcm_uframes_t pos_out_done; + struct usb_line6 *line6; /** - Count processed bytes for capture. - This is modulo period size (to determine when a period is - finished). + Properties. */ - unsigned bytes_in; + struct line6_pcm_properties *properties; /** - Counter to create desired capture sample rate. + ALSA pcm stream */ - unsigned count_in; + struct snd_pcm *pcm; - /** - Capture period size in bytes - */ - unsigned period_in; + /* Capture and playback streams */ + struct line6_pcm_stream in; + struct line6_pcm_stream out; /** - Processed frame position in the capture buffer. - The contents of the output ring buffer have been consumed by - the USB subsystem (i.e., sent to the USB device) up to this - position. + Previously captured frame (for software monitoring). */ - snd_pcm_uframes_t pos_in_done; + unsigned char *prev_fbuf; /** - Bit mask of active playback URBs. + Size of previously captured frame (for software monitoring). */ - unsigned long active_urb_out; + int prev_fsize; /** Maximum size of USB packet. @@ -281,33 +244,6 @@ struct snd_line6_pcm { int max_packet_size; /** - Bit mask of active capture URBs. - */ - unsigned long active_urb_in; - - /** - Bit mask of playback URBs currently being unlinked. - */ - unsigned long unlink_urb_out; - - /** - Bit mask of capture URBs currently being unlinked. - */ - unsigned long unlink_urb_in; - - /** - Spin lock to protect updates of the playback buffer positions (not - contents!) - */ - spinlock_t lock_audio_out; - - /** - Spin lock to protect updates of the capture buffer positions (not - contents!) - */ - spinlock_t lock_audio_in; - - /** PCM playback volume (left and right). */ int volume_playback[2]; @@ -336,8 +272,6 @@ struct snd_line6_pcm { Several status bits (see LINE6_BIT_*). */ unsigned long flags; - - int last_frame_in, last_frame_out; }; extern int line6_init_pcm(struct usb_line6 *line6, diff --git a/sound/usb/line6/playback.c b/sound/usb/line6/playback.c index 7e031b1761aa..d619c1718306 100644 --- a/sound/usb/line6/playback.c +++ b/sound/usb/line6/playback.c @@ -145,17 +145,17 @@ static int submit_audio_out_urb(struct snd_line6_pcm *line6pcm) (USB_INTERVALS_PER_SECOND / LINE6_ISO_INTERVAL); struct urb *urb_out; - spin_lock_irqsave(&line6pcm->lock_audio_out, flags); + spin_lock_irqsave(&line6pcm->out.lock, flags); index = - find_first_zero_bit(&line6pcm->active_urb_out, LINE6_ISO_BUFFERS); + find_first_zero_bit(&line6pcm->out.active_urbs, LINE6_ISO_BUFFERS); if (index < 0 || index >= LINE6_ISO_BUFFERS) { - spin_unlock_irqrestore(&line6pcm->lock_audio_out, flags); + spin_unlock_irqrestore(&line6pcm->out.lock, flags); dev_err(line6pcm->line6->ifcdev, "no free URB found\n"); return -EINVAL; } - urb_out = line6pcm->urb_audio_out[index]; + urb_out = line6pcm->out.urbs[index]; urb_size = 0; for (i = 0; i < LINE6_ISO_PACKETS; ++i) { @@ -170,9 +170,9 @@ static int submit_audio_out_urb(struct snd_line6_pcm *line6pcm) if (fsize == 0) { int n; - line6pcm->count_out += frame_increment; - n = line6pcm->count_out / frame_factor; - line6pcm->count_out -= n * frame_factor; + line6pcm->out.count += frame_increment; + n = line6pcm->out.count / frame_factor; + line6pcm->out.count -= n * frame_factor; fsize = n * bytes_per_frame; } @@ -183,14 +183,14 @@ static int submit_audio_out_urb(struct snd_line6_pcm *line6pcm) if (urb_size == 0) { /* can't determine URB size */ - spin_unlock_irqrestore(&line6pcm->lock_audio_out, flags); + spin_unlock_irqrestore(&line6pcm->out.lock, flags); dev_err(line6pcm->line6->ifcdev, "driver bug: urb_size = 0\n"); return -EINVAL; } urb_frames = urb_size / bytes_per_frame; urb_out->transfer_buffer = - line6pcm->buffer_out + + line6pcm->out.buffer + index * LINE6_ISO_PACKETS * line6pcm->max_packet_size; urb_out->transfer_buffer_length = urb_size; urb_out->context = line6pcm; @@ -200,19 +200,19 @@ static int submit_audio_out_urb(struct snd_line6_pcm *line6pcm) struct snd_pcm_runtime *runtime = get_substream(line6pcm, SNDRV_PCM_STREAM_PLAYBACK)->runtime; - if (line6pcm->pos_out + urb_frames > runtime->buffer_size) { + if (line6pcm->out.pos + urb_frames > runtime->buffer_size) { /* The transferred area goes over buffer boundary, copy the data to the temp buffer. */ int len; - len = runtime->buffer_size - line6pcm->pos_out; + len = runtime->buffer_size - line6pcm->out.pos; if (len > 0) { memcpy(urb_out->transfer_buffer, runtime->dma_area + - line6pcm->pos_out * bytes_per_frame, + line6pcm->out.pos * bytes_per_frame, len * bytes_per_frame); memcpy(urb_out->transfer_buffer + len * bytes_per_frame, runtime->dma_area, @@ -223,13 +223,13 @@ static int submit_audio_out_urb(struct snd_line6_pcm *line6pcm) } else { memcpy(urb_out->transfer_buffer, runtime->dma_area + - line6pcm->pos_out * bytes_per_frame, + line6pcm->out.pos * bytes_per_frame, urb_out->transfer_buffer_length); } - line6pcm->pos_out += urb_frames; - if (line6pcm->pos_out >= runtime->buffer_size) - line6pcm->pos_out -= runtime->buffer_size; + line6pcm->out.pos += urb_frames; + if (line6pcm->out.pos >= runtime->buffer_size) + line6pcm->out.pos -= runtime->buffer_size; } else { memset(urb_out->transfer_buffer, 0, urb_out->transfer_buffer_length); @@ -265,12 +265,12 @@ static int submit_audio_out_urb(struct snd_line6_pcm *line6pcm) ret = usb_submit_urb(urb_out, GFP_ATOMIC); if (ret == 0) - set_bit(index, &line6pcm->active_urb_out); + set_bit(index, &line6pcm->out.active_urbs); else dev_err(line6pcm->line6->ifcdev, "URB out #%d submission failed (%d)\n", index, ret); - spin_unlock_irqrestore(&line6pcm->lock_audio_out, flags); + spin_unlock_irqrestore(&line6pcm->out.lock, flags); return 0; } @@ -298,9 +298,9 @@ void line6_unlink_audio_out_urbs(struct snd_line6_pcm *line6pcm) unsigned int i; for (i = 0; i < LINE6_ISO_BUFFERS; i++) { - if (test_bit(i, &line6pcm->active_urb_out)) { - if (!test_and_set_bit(i, &line6pcm->unlink_urb_out)) { - struct urb *u = line6pcm->urb_audio_out[i]; + if (test_bit(i, &line6pcm->out.active_urbs)) { + if (!test_and_set_bit(i, &line6pcm->out.unlink_urbs)) { + struct urb *u = line6pcm->out.urbs[i]; usb_unlink_urb(u); } @@ -321,7 +321,7 @@ void line6_wait_clear_audio_out_urbs(struct snd_line6_pcm *line6pcm) do { alive = 0; for (i = 0; i < LINE6_ISO_BUFFERS; i++) { - if (test_bit(i, &line6pcm->active_urb_out)) + if (test_bit(i, &line6pcm->out.active_urbs)) alive++; } if (!alive) @@ -344,8 +344,8 @@ void line6_unlink_wait_clear_audio_out_urbs(struct snd_line6_pcm *line6pcm) void line6_free_playback_buffer(struct snd_line6_pcm *line6pcm) { - kfree(line6pcm->buffer_out); - line6pcm->buffer_out = NULL; + kfree(line6pcm->out.buffer); + line6pcm->out.buffer = NULL; } /* @@ -363,11 +363,11 @@ static void audio_out_callback(struct urb *urb) memset(urb->transfer_buffer, 0, urb->transfer_buffer_length); #endif - line6pcm->last_frame_out = urb->start_frame; + line6pcm->out.last_frame = urb->start_frame; /* find index of URB */ for (index = 0; index < LINE6_ISO_BUFFERS; index++) - if (urb == line6pcm->urb_audio_out[index]) + if (urb == line6pcm->out.urbs[index]) break; if (index >= LINE6_ISO_BUFFERS) @@ -376,19 +376,19 @@ static void audio_out_callback(struct urb *urb) for (i = 0; i < LINE6_ISO_PACKETS; i++) length += urb->iso_frame_desc[i].length; - spin_lock_irqsave(&line6pcm->lock_audio_out, flags); + spin_lock_irqsave(&line6pcm->out.lock, flags); if (test_bit(LINE6_INDEX_PCM_ALSA_PLAYBACK_STREAM, &line6pcm->flags)) { struct snd_pcm_runtime *runtime = substream->runtime; - line6pcm->pos_out_done += + line6pcm->out.pos_done += length / line6pcm->properties->bytes_per_frame; - if (line6pcm->pos_out_done >= runtime->buffer_size) - line6pcm->pos_out_done -= runtime->buffer_size; + if (line6pcm->out.pos_done >= runtime->buffer_size) + line6pcm->out.pos_done -= runtime->buffer_size; } - clear_bit(index, &line6pcm->active_urb_out); + clear_bit(index, &line6pcm->out.active_urbs); for (i = 0; i < LINE6_ISO_PACKETS; i++) if (urb->iso_frame_desc[i].status == -EXDEV) { @@ -396,19 +396,19 @@ static void audio_out_callback(struct urb *urb) break; } - if (test_and_clear_bit(index, &line6pcm->unlink_urb_out)) + if (test_and_clear_bit(index, &line6pcm->out.unlink_urbs)) shutdown = 1; - spin_unlock_irqrestore(&line6pcm->lock_audio_out, flags); + spin_unlock_irqrestore(&line6pcm->out.lock, flags); if (!shutdown) { submit_audio_out_urb(line6pcm); if (test_bit(LINE6_INDEX_PCM_ALSA_PLAYBACK_STREAM, &line6pcm->flags)) { - line6pcm->bytes_out += length; - if (line6pcm->bytes_out >= line6pcm->period_out) { - line6pcm->bytes_out %= line6pcm->period_out; + line6pcm->out.bytes += length; + if (line6pcm->out.bytes >= line6pcm->out.period) { + line6pcm->out.bytes %= line6pcm->out.period; snd_pcm_period_elapsed(substream); } } @@ -457,7 +457,7 @@ static int snd_line6_playback_hw_params(struct snd_pcm_substream *substream, return ret; } - line6pcm->period_out = params_period_bytes(hw_params); + line6pcm->out.period = params_period_bytes(hw_params); return 0; } @@ -517,7 +517,7 @@ snd_line6_playback_pointer(struct snd_pcm_substream *substream) { struct snd_line6_pcm *line6pcm = snd_pcm_substream_chip(substream); - return line6pcm->pos_out_done; + return line6pcm->out.pos_done; } /* playback operators */ @@ -542,7 +542,7 @@ int line6_create_audio_out_urbs(struct snd_line6_pcm *line6pcm) struct urb *urb; /* URB for audio out: */ - urb = line6pcm->urb_audio_out[i] = + urb = line6pcm->out.urbs[i] = usb_alloc_urb(LINE6_ISO_PACKETS, GFP_KERNEL); if (urb == NULL) |