[ALSA] ALSA's struct _snd_pcm_substream: Obsolete open_flag

PCM Midlevel,ALSA<-OSS emulation,USB USX2Y
This patch removes open_flag from struct _snd_pcm_substream.
All of its uses are substituted by querying struct _snd_pcm_substream's
member ffile instead.

Signed-off-by: Karsten Wiese <annabellesgarden@yahoo.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 14 insertions, 2 deletions

diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c
index c5bfd0918cf..c41ec2e9f20 100644
--- a/sound/core/pcm_lib.c
+++ b/sound/core/pcm_lib.c
@@ -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;
                         }