diff options
Diffstat (limited to 'drivers/staging/line6/capture.c')
| -rw-r--r-- | drivers/staging/line6/capture.c | 54 |
1 files changed, 15 insertions, 39 deletions
diff --git a/drivers/staging/line6/capture.c b/drivers/staging/line6/capture.c index 127f95247749..c85c5b6bffb7 100644 --- a/drivers/staging/line6/capture.c +++ b/drivers/staging/line6/capture.c @@ -107,7 +107,7 @@ void line6_unlink_audio_in_urbs(struct snd_line6_pcm *line6pcm) Wait until unlinking of all currently active capture URBs has been finished. */ -static void wait_clear_audio_in_urbs(struct snd_line6_pcm *line6pcm) +void line6_wait_clear_audio_in_urbs(struct snd_line6_pcm *line6pcm) { int timeout = HZ; unsigned int i; @@ -134,7 +134,7 @@ static void wait_clear_audio_in_urbs(struct snd_line6_pcm *line6pcm) void line6_unlink_wait_clear_audio_in_urbs(struct snd_line6_pcm *line6pcm) { line6_unlink_audio_in_urbs(line6pcm); - wait_clear_audio_in_urbs(line6pcm); + line6_wait_clear_audio_in_urbs(line6pcm); } /* @@ -193,25 +193,6 @@ void line6_capture_check_period(struct snd_line6_pcm *line6pcm, int length) } } -int line6_alloc_capture_buffer(struct snd_line6_pcm *line6pcm) -{ - /* We may be invoked multiple times in a row so allocate once only */ - if (line6pcm->buffer_in) - return 0; - - line6pcm->buffer_in = - kmalloc(LINE6_ISO_BUFFERS * LINE6_ISO_PACKETS * - line6pcm->max_packet_size, GFP_KERNEL); - - if (!line6pcm->buffer_in) { - dev_err(line6pcm->line6->ifcdev, - "cannot malloc capture buffer\n"); - return -ENOMEM; - } - - return 0; -} - void line6_free_capture_buffer(struct snd_line6_pcm *line6pcm) { kfree(line6pcm->buffer_in); @@ -273,9 +254,9 @@ static void audio_in_callback(struct urb *urb) line6pcm->prev_fsize = fsize; #ifdef CONFIG_LINE6_USB_IMPULSE_RESPONSE - if (!(line6pcm->flags & MASK_PCM_IMPULSE)) + if (!(line6pcm->flags & LINE6_BITS_PCM_IMPULSE)) #endif - if (test_bit(BIT_PCM_ALSA_CAPTURE, &line6pcm->flags) + if (test_bit(LINE6_INDEX_PCM_ALSA_CAPTURE_STREAM, &line6pcm->flags) && (fsize > 0)) line6_capture_copy(line6pcm, fbuf, fsize); } @@ -291,9 +272,9 @@ static void audio_in_callback(struct urb *urb) submit_audio_in_urb(line6pcm); #ifdef CONFIG_LINE6_USB_IMPULSE_RESPONSE - if (!(line6pcm->flags & MASK_PCM_IMPULSE)) + if (!(line6pcm->flags & LINE6_BITS_PCM_IMPULSE)) #endif - if (test_bit(BIT_PCM_ALSA_CAPTURE, &line6pcm->flags)) + if (test_bit(LINE6_INDEX_PCM_ALSA_CAPTURE_STREAM, &line6pcm->flags)) line6_capture_check_period(line6pcm, length); } } @@ -341,17 +322,17 @@ static int snd_line6_capture_hw_params(struct snd_pcm_substream *substream, } /* -- [FD] end */ - if ((line6pcm->flags & MASK_CAPTURE) == 0) { - ret = line6_alloc_capture_buffer(line6pcm); + ret = line6_pcm_acquire(line6pcm, LINE6_BIT_PCM_ALSA_CAPTURE_BUFFER); - if (ret < 0) - return ret; - } + if (ret < 0) + return ret; ret = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); - if (ret < 0) + if (ret < 0) { + line6_pcm_release(line6pcm, LINE6_BIT_PCM_ALSA_CAPTURE_BUFFER); return ret; + } line6pcm->period_in = params_period_bytes(hw_params); return 0; @@ -361,12 +342,7 @@ static int snd_line6_capture_hw_params(struct snd_pcm_substream *substream, static int snd_line6_capture_hw_free(struct snd_pcm_substream *substream) { struct snd_line6_pcm *line6pcm = snd_pcm_substream_chip(substream); - - if ((line6pcm->flags & MASK_CAPTURE) == 0) { - line6_unlink_wait_clear_audio_in_urbs(line6pcm); - line6_free_capture_buffer(line6pcm); - } - + line6_pcm_release(line6pcm, LINE6_BIT_PCM_ALSA_CAPTURE_BUFFER); return snd_pcm_lib_free_pages(substream); } @@ -380,7 +356,7 @@ int snd_line6_capture_trigger(struct snd_line6_pcm *line6pcm, int cmd) #ifdef CONFIG_PM case SNDRV_PCM_TRIGGER_RESUME: #endif - err = line6_pcm_start(line6pcm, MASK_PCM_ALSA_CAPTURE); + err = line6_pcm_acquire(line6pcm, LINE6_BIT_PCM_ALSA_CAPTURE_STREAM); if (err < 0) return err; @@ -391,7 +367,7 @@ int snd_line6_capture_trigger(struct snd_line6_pcm *line6pcm, int cmd) #ifdef CONFIG_PM case SNDRV_PCM_TRIGGER_SUSPEND: #endif - err = line6_pcm_stop(line6pcm, MASK_PCM_ALSA_CAPTURE); + err = line6_pcm_release(line6pcm, LINE6_BIT_PCM_ALSA_CAPTURE_STREAM); if (err < 0) return err; |