bci: some more code for testing

[pandora-kernel.git] / sound / core / pcm_native.c

diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index 61f5d42..c487025 100644 (file)
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -22,6 +22,7 @@
 #include <linux/mm.h>
 #include <linux/file.h>
 #include <linux/slab.h>
+#include <linux/smp_lock.h>
 #include <linux/time.h>
 #include <linux/pm_qos_params.h>
 #include <linux/uio.h>
@@ -1545,16 +1546,10 @@ static int snd_pcm_drop(struct snd_pcm_substream *substream)
        card = substream->pcm->card;
 
        if (runtime->status->state == SNDRV_PCM_STATE_OPEN ||
-           runtime->status->state == SNDRV_PCM_STATE_DISCONNECTED)
+           runtime->status->state == SNDRV_PCM_STATE_DISCONNECTED ||
+           runtime->status->state == SNDRV_PCM_STATE_SUSPENDED)
                return -EBADFD;
 
-       snd_power_lock(card);
-       if (runtime->status->state == SNDRV_PCM_STATE_SUSPENDED) {
-               result = snd_power_wait(card, SNDRV_CTL_POWER_D0);
-               if (result < 0)
-                       goto _unlock;
-       }
-
        snd_pcm_stream_lock_irq(substream);
        /* resume pause */
        if (runtime->status->state == SNDRV_PCM_STATE_PAUSED)
@@ -1563,8 +1558,7 @@ static int snd_pcm_drop(struct snd_pcm_substream *substream)
        snd_pcm_stop(substream, SNDRV_PCM_STATE_SETUP);
        /* runtime->control->appl_ptr = runtime->status->hw_ptr; */
        snd_pcm_stream_unlock_irq(substream);
- _unlock:
-       snd_power_unlock(card);
+
        return result;
 }
 
@@ -3249,14 +3243,17 @@ static int snd_pcm_fasync(int fd, struct file * file, int on)
        struct snd_pcm_file * pcm_file;
        struct snd_pcm_substream *substream;
        struct snd_pcm_runtime *runtime;
-       int err;
+       int err = -ENXIO;
 
+       lock_kernel();
        pcm_file = file->private_data;
        substream = pcm_file->substream;
-       snd_assert(substream != NULL, return -ENXIO);
+       snd_assert(substream != NULL, goto out);
        runtime = substream->runtime;
 
        err = fasync_helper(fd, file, on, &runtime->fasync);
+out:
+       unlock_kernel();
        if (err < 0)
                return err;
        return 0;