[ALSA] ALSA's struct _snd_pcm_substream: Obsolete open_flag
[linux-3.10.git] / sound / core / pcm_lib.c
index c5bfd0918cff9eba195d733355435580f27f8882..c41ec2e9f201911a956e6a0e789ddcf513ed60f0 100644 (file)
@@ -2063,7 +2063,7 @@ static snd_pcm_sframes_t snd_pcm_lib_write1(snd_pcm_substream_t *substream,
                if (((avail < runtime->control->avail_min && size > avail) ||
                   (size >= runtime->xfer_align && avail < runtime->xfer_align))) {
                        wait_queue_t wait;
-                       enum { READY, SIGNALED, ERROR, SUSPENDED, EXPIRED } state;
+                       enum { READY, SIGNALED, ERROR, SUSPENDED, EXPIRED, DROPPED } state;
                        long tout;
 
                        if (nonblock) {
@@ -2097,6 +2097,9 @@ static snd_pcm_sframes_t snd_pcm_lib_write1(snd_pcm_substream_t *substream,
                                case SNDRV_PCM_STATE_SUSPENDED:
                                        state = SUSPENDED;
                                        goto _end_loop;
+                               case SNDRV_PCM_STATE_SETUP:
+                                       state = DROPPED;
+                                       goto _end_loop;
                                default:
                                        break;
                                }
@@ -2123,6 +2126,9 @@ static snd_pcm_sframes_t snd_pcm_lib_write1(snd_pcm_substream_t *substream,
                                snd_printd("playback write error (DMA or IRQ trouble?)\n");
                                err = -EIO;
                                goto _end_unlock;
+                       case DROPPED:
+                               err = -EBADFD;
+                               goto _end_unlock;
                        default:
                                break;
                        }
@@ -2359,7 +2365,7 @@ static snd_pcm_sframes_t snd_pcm_lib_read1(snd_pcm_substream_t *substream,
                } else if ((avail < runtime->control->avail_min && size > avail) ||
                           (size >= runtime->xfer_align && avail < runtime->xfer_align)) {
                        wait_queue_t wait;
-                       enum { READY, SIGNALED, ERROR, SUSPENDED, EXPIRED } state;
+                       enum { READY, SIGNALED, ERROR, SUSPENDED, EXPIRED, DROPPED } state;
                        long tout;
 
                        if (nonblock) {
@@ -2394,6 +2400,9 @@ static snd_pcm_sframes_t snd_pcm_lib_read1(snd_pcm_substream_t *substream,
                                        goto _end_loop;
                                case SNDRV_PCM_STATE_DRAINING:
                                        goto __draining;
+                               case SNDRV_PCM_STATE_SETUP:
+                                       state = DROPPED;
+                                       goto _end_loop;
                                default:
                                        break;
                                }
@@ -2420,6 +2429,9 @@ static snd_pcm_sframes_t snd_pcm_lib_read1(snd_pcm_substream_t *substream,
                                snd_printd("capture read error (DMA or IRQ trouble?)\n");
                                err = -EIO;
                                goto _end_unlock;
+                       case DROPPED:
+                               err = -EBADFD;
+                               goto _end_unlock;
                        default:
                                break;
                        }