diff options
Diffstat (limited to 'drivers/staging/line6/playback.c')
| -rw-r--r-- | drivers/staging/line6/playback.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/drivers/staging/line6/playback.c b/drivers/staging/line6/playback.c index f9135c7cb19..2ca8900e68c 100644 --- a/drivers/staging/line6/playback.c +++ b/drivers/staging/line6/playback.c @@ -34,6 +34,7 @@ static void change_volume(struct urb *urb_out, int volume[], if (bytes_per_frame == 4) { short *p, *buf_end; + p = (short *)urb_out->transfer_buffer; buf_end = p + urb_out->transfer_buffer_length / sizeof(*p); @@ -43,11 +44,13 @@ static void change_volume(struct urb *urb_out, int volume[], } } else if (bytes_per_frame == 6) { unsigned char *p, *buf_end; + p = (unsigned char *)urb_out->transfer_buffer; buf_end = p + urb_out->transfer_buffer_length; for (; p < buf_end; p += 3) { int val; + val = p[0] + (p[1] << 8) + ((signed char)p[2] << 16); val = (val * volume[chn & 1]) >> 8; p[0] = val; @@ -116,6 +119,7 @@ static void add_monitor_signal(struct urb *urb_out, unsigned char *signal, if (bytes_per_frame == 4) { short *pi, *po, *buf_end; + pi = (short *)signal; po = (short *)urb_out->transfer_buffer; buf_end = po + urb_out->transfer_buffer_length / sizeof(*po); @@ -171,6 +175,7 @@ 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; @@ -207,6 +212,7 @@ static int submit_audio_out_urb(struct snd_line6_pcm *line6pcm) copy the data to the temp buffer. */ int len; + len = runtime->buffer_size - line6pcm->pos_out; if (len > 0) { @@ -242,13 +248,14 @@ static int submit_audio_out_urb(struct snd_line6_pcm *line6pcm) if (line6pcm->flags & LINE6_BITS_PCM_IMPULSE) { create_impulse_test_signal(line6pcm, urb_out, bytes_per_frame); - if (line6pcm->flags & LINE6_BIT_PCM_ALSA_CAPTURE_STREAM) { + if (line6pcm->flags & + LINE6_BIT_PCM_ALSA_CAPTURE_STREAM) { line6_capture_copy(line6pcm, urb_out->transfer_buffer, urb_out-> transfer_buffer_length); line6_capture_check_period(line6pcm, - urb_out->transfer_buffer_length); + urb_out->transfer_buffer_length); } } else { #endif @@ -304,6 +311,7 @@ void line6_unlink_audio_out_urbs(struct snd_line6_pcm *line6pcm) 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]; + usb_unlink_urb(u); } } @@ -357,7 +365,6 @@ static void audio_out_callback(struct urb *urb) { int i, index, length = 0, shutdown = 0; unsigned long flags; - struct snd_line6_pcm *line6pcm = (struct snd_line6_pcm *)urb->context; struct snd_pcm_substream *substream = get_substream(line6pcm, SNDRV_PCM_STREAM_PLAYBACK); @@ -383,6 +390,7 @@ static void audio_out_callback(struct urb *urb) if (test_bit(LINE6_INDEX_PCM_ALSA_PLAYBACK_STREAM, &line6pcm->flags)) { struct snd_pcm_runtime *runtime = substream->runtime; + line6pcm->pos_out_done += length / line6pcm->properties->bytes_per_frame; @@ -479,6 +487,7 @@ static int snd_line6_playback_hw_params(struct snd_pcm_substream *substream, static int snd_line6_playback_hw_free(struct snd_pcm_substream *substream) { struct snd_line6_pcm *line6pcm = snd_pcm_substream_chip(substream); + line6_pcm_release(line6pcm, LINE6_BIT_PCM_ALSA_PLAYBACK_BUFFER); return snd_pcm_lib_free_pages(substream); } @@ -533,6 +542,7 @@ static snd_pcm_uframes_t snd_line6_playback_pointer(struct snd_pcm_substream *substream) { struct snd_line6_pcm *line6pcm = snd_pcm_substream_chip(substream); + return line6pcm->pos_out_done; } |