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authorIan Wisbon <ian.wisbon@timesys.com>2011-02-14 16:41:03 -0500
committerIan Wisbon <ian.wisbon@timesys.com>2011-02-14 16:41:03 -0500
commit8a83780a187ba1961380814eaf9c503043345d12 (patch)
tree80f5d89cca49330e137688c72fb10c9f42dc5663 /sound/core
parent14a4057959f8ee0a2249eb2abd64fd6b1f571d98 (diff)
Digi Release Code from del-5.6/main2.6.31-digi-201102141643
Diffstat (limited to 'sound/core')
-rw-r--r--sound/core/hrtimer.c15
-rw-r--r--sound/core/rawmidi.c44
-rw-r--r--sound/core/seq/seq_midi.c1
3 files changed, 35 insertions, 25 deletions
diff --git a/sound/core/hrtimer.c b/sound/core/hrtimer.c
index 34c7d48f5061..7f4d744ae40a 100644
--- a/sound/core/hrtimer.c
+++ b/sound/core/hrtimer.c
@@ -37,14 +37,22 @@ static unsigned int resolution;
struct snd_hrtimer {
struct snd_timer *timer;
struct hrtimer hrt;
+ atomic_t running;
};
static enum hrtimer_restart snd_hrtimer_callback(struct hrtimer *hrt)
{
struct snd_hrtimer *stime = container_of(hrt, struct snd_hrtimer, hrt);
struct snd_timer *t = stime->timer;
+
+ if (!atomic_read(&stime->running))
+ return HRTIMER_NORESTART;
+
hrtimer_forward_now(hrt, ns_to_ktime(t->sticks * resolution));
snd_timer_interrupt(stime->timer, t->sticks);
+
+ if (!atomic_read(&stime->running))
+ return HRTIMER_NORESTART;
return HRTIMER_RESTART;
}
@@ -58,6 +66,7 @@ static int snd_hrtimer_open(struct snd_timer *t)
hrtimer_init(&stime->hrt, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
stime->timer = t;
stime->hrt.function = snd_hrtimer_callback;
+ atomic_set(&stime->running, 0);
t->private_data = stime;
return 0;
}
@@ -78,16 +87,18 @@ static int snd_hrtimer_start(struct snd_timer *t)
{
struct snd_hrtimer *stime = t->private_data;
+ atomic_set(&stime->running, 0);
+ hrtimer_cancel(&stime->hrt);
hrtimer_start(&stime->hrt, ns_to_ktime(t->sticks * resolution),
HRTIMER_MODE_REL);
+ atomic_set(&stime->running, 1);
return 0;
}
static int snd_hrtimer_stop(struct snd_timer *t)
{
struct snd_hrtimer *stime = t->private_data;
-
- hrtimer_cancel(&stime->hrt);
+ atomic_set(&stime->running, 0);
return 0;
}
diff --git a/sound/core/rawmidi.c b/sound/core/rawmidi.c
index 473247c8e6d3..70d6f25ba526 100644
--- a/sound/core/rawmidi.c
+++ b/sound/core/rawmidi.c
@@ -248,7 +248,8 @@ static int assign_substream(struct snd_rawmidi *rmidi, int subdevice,
list_for_each_entry(substream, &s->substreams, list) {
if (substream->opened) {
if (stream == SNDRV_RAWMIDI_STREAM_INPUT ||
- !(mode & SNDRV_RAWMIDI_LFLG_APPEND))
+ !(mode & SNDRV_RAWMIDI_LFLG_APPEND) ||
+ !substream->append)
continue;
}
if (subdevice < 0 || subdevice == substream->number) {
@@ -266,17 +267,21 @@ static int open_substream(struct snd_rawmidi *rmidi,
{
int err;
- err = snd_rawmidi_runtime_create(substream);
- if (err < 0)
- return err;
- err = substream->ops->open(substream);
- if (err < 0)
- return err;
- substream->opened = 1;
- if (substream->use_count++ == 0)
- substream->active_sensing = 1;
- if (mode & SNDRV_RAWMIDI_LFLG_APPEND)
- substream->append = 1;
+ if (substream->use_count == 0) {
+ err = snd_rawmidi_runtime_create(substream);
+ if (err < 0)
+ return err;
+ err = substream->ops->open(substream);
+ if (err < 0) {
+ snd_rawmidi_runtime_free(substream);
+ return err;
+ }
+ substream->opened = 1;
+ substream->active_sensing = 0;
+ if (mode & SNDRV_RAWMIDI_LFLG_APPEND)
+ substream->append = 1;
+ }
+ substream->use_count++;
rmidi->streams[substream->stream].substream_opened++;
return 0;
}
@@ -297,27 +302,27 @@ static int rawmidi_open_priv(struct snd_rawmidi *rmidi, int subdevice, int mode,
SNDRV_RAWMIDI_STREAM_INPUT,
mode, &sinput);
if (err < 0)
- goto __error;
+ return err;
}
if (mode & SNDRV_RAWMIDI_LFLG_OUTPUT) {
err = assign_substream(rmidi, subdevice,
SNDRV_RAWMIDI_STREAM_OUTPUT,
mode, &soutput);
if (err < 0)
- goto __error;
+ return err;
}
if (sinput) {
err = open_substream(rmidi, sinput, mode);
if (err < 0)
- goto __error;
+ return err;
}
if (soutput) {
err = open_substream(rmidi, soutput, mode);
if (err < 0) {
if (sinput)
close_substream(rmidi, sinput, 0);
- goto __error;
+ return err;
}
}
@@ -325,13 +330,6 @@ static int rawmidi_open_priv(struct snd_rawmidi *rmidi, int subdevice, int mode,
rfile->input = sinput;
rfile->output = soutput;
return 0;
-
- __error:
- if (sinput && sinput->runtime)
- snd_rawmidi_runtime_free(sinput);
- if (soutput && soutput->runtime)
- snd_rawmidi_runtime_free(soutput);
- return err;
}
/* called from sound/core/seq/seq_midi.c */
diff --git a/sound/core/seq/seq_midi.c b/sound/core/seq/seq_midi.c
index 4d26146a62cc..90356b880dbb 100644
--- a/sound/core/seq/seq_midi.c
+++ b/sound/core/seq/seq_midi.c
@@ -236,6 +236,7 @@ static int midisynth_use(void *private_data, struct snd_seq_port_subscribe *info
memset(&params, 0, sizeof(params));
params.avail_min = 1;
params.buffer_size = output_buffer_size;
+ params.no_active_sensing = 1;
if ((err = snd_rawmidi_output_params(msynth->output_rfile.output, &params)) < 0) {
snd_rawmidi_kernel_release(&msynth->output_rfile);
return err;