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-rw-r--r--sound/core/Kconfig9
-rw-r--r--sound/core/compress_offload.c12
-rw-r--r--sound/core/control_compat.c2
-rw-r--r--sound/core/jack.c23
-rw-r--r--sound/core/pcm_misc.c30
-rw-r--r--sound/core/seq/seq_clientmgr.c14
-rw-r--r--sound/core/seq/seq_clientmgr.h2
-rw-r--r--sound/core/timer.c288
-rw-r--r--sound/core/timer_compat.c30
9 files changed, 246 insertions, 164 deletions
diff --git a/sound/core/Kconfig b/sound/core/Kconfig
index a2a1e24be..6d12ca9bc 100644
--- a/sound/core/Kconfig
+++ b/sound/core/Kconfig
@@ -24,12 +24,15 @@ config SND_RAWMIDI
config SND_COMPRESS_OFFLOAD
tristate
-# To be effective this also requires INPUT - users should say:
-# select SND_JACK if INPUT=y || INPUT=SND
-# to avoid having to force INPUT on.
config SND_JACK
bool
+# enable input device support in jack layer
+config SND_JACK_INPUT_DEV
+ bool
+ depends on SND_JACK
+ default y if INPUT=y || INPUT=SND
+
config SND_SEQUENCER
tristate "Sequencer support"
select SND_TIMER
diff --git a/sound/core/compress_offload.c b/sound/core/compress_offload.c
index 7fac3cae8..a9933c07a 100644
--- a/sound/core/compress_offload.c
+++ b/sound/core/compress_offload.c
@@ -69,11 +69,14 @@ struct snd_compr_file {
/*
* a note on stream states used:
- * we use follwing states in the compressed core
+ * we use following states in the compressed core
* SNDRV_PCM_STATE_OPEN: When stream has been opened.
* SNDRV_PCM_STATE_SETUP: When stream has been initialized. This is done by
- * calling SNDRV_COMPRESS_SET_PARAMS. running streams will come to this
+ * calling SNDRV_COMPRESS_SET_PARAMS. Running streams will come to this
* state at stop by calling SNDRV_COMPRESS_STOP, or at end of drain.
+ * SNDRV_PCM_STATE_PREPARED: When a stream has been written to (for
+ * playback only). User after setting up stream writes the data buffer
+ * before starting the stream.
* SNDRV_PCM_STATE_RUNNING: When stream has been started and is
* decoding/encoding and rendering/capturing data.
* SNDRV_PCM_STATE_DRAINING: When stream is draining current data. This is done
@@ -286,6 +289,7 @@ static ssize_t snd_compr_write(struct file *f, const char __user *buf,
mutex_lock(&stream->device->lock);
/* write is allowed when stream is running or has been steup */
if (stream->runtime->state != SNDRV_PCM_STATE_SETUP &&
+ stream->runtime->state != SNDRV_PCM_STATE_PREPARED &&
stream->runtime->state != SNDRV_PCM_STATE_RUNNING) {
mutex_unlock(&stream->device->lock);
return -EBADFD;
@@ -700,7 +704,7 @@ static int snd_compress_wait_for_drain(struct snd_compr_stream *stream)
/*
* We are called with lock held. So drop the lock while we wait for
- * drain complete notfication from the driver
+ * drain complete notification from the driver
*
* It is expected that driver will notify the drain completion and then
* stream will be moved to SETUP state, even if draining resulted in an
@@ -755,7 +759,7 @@ static int snd_compr_next_track(struct snd_compr_stream *stream)
if (stream->runtime->state != SNDRV_PCM_STATE_RUNNING)
return -EPERM;
- /* you can signal next track isf this is intended to be a gapless stream
+ /* you can signal next track if this is intended to be a gapless stream
* and current track metadata is set
*/
if (stream->metadata_set == false)
diff --git a/sound/core/control_compat.c b/sound/core/control_compat.c
index 0608f216f..1fa70766f 100644
--- a/sound/core/control_compat.c
+++ b/sound/core/control_compat.c
@@ -196,7 +196,7 @@ static int get_ctl_type(struct snd_card *card, struct snd_ctl_elem_id *id,
kctl = snd_ctl_find_id(card, id);
if (! kctl) {
up_read(&card->controls_rwsem);
- return -ENXIO;
+ return -ENOENT;
}
info = kzalloc(sizeof(*info), GFP_KERNEL);
if (info == NULL) {
diff --git a/sound/core/jack.c b/sound/core/jack.c
index 7237acbdc..f652e90ef 100644
--- a/sound/core/jack.c
+++ b/sound/core/jack.c
@@ -32,6 +32,7 @@ struct snd_jack_kctl {
unsigned int mask_bits; /* only masked status bits are reported via kctl */
};
+#ifdef CONFIG_SND_JACK_INPUT_DEV
static int jack_switch_types[SND_JACK_SWITCH_TYPES] = {
SW_HEADPHONE_INSERT,
SW_MICROPHONE_INSERT,
@@ -40,9 +41,11 @@ static int jack_switch_types[SND_JACK_SWITCH_TYPES] = {
SW_VIDEOOUT_INSERT,
SW_LINEIN_INSERT,
};
+#endif /* CONFIG_SND_JACK_INPUT_DEV */
static int snd_jack_dev_disconnect(struct snd_device *device)
{
+#ifdef CONFIG_SND_JACK_INPUT_DEV
struct snd_jack *jack = device->device_data;
if (!jack->input_dev)
@@ -55,6 +58,7 @@ static int snd_jack_dev_disconnect(struct snd_device *device)
else
input_free_device(jack->input_dev);
jack->input_dev = NULL;
+#endif /* CONFIG_SND_JACK_INPUT_DEV */
return 0;
}
@@ -79,6 +83,7 @@ static int snd_jack_dev_free(struct snd_device *device)
return 0;
}
+#ifdef CONFIG_SND_JACK_INPUT_DEV
static int snd_jack_dev_register(struct snd_device *device)
{
struct snd_jack *jack = device->device_data;
@@ -116,6 +121,7 @@ static int snd_jack_dev_register(struct snd_device *device)
return err;
}
+#endif /* CONFIG_SND_JACK_INPUT_DEV */
static void snd_jack_kctl_private_free(struct snd_kcontrol *kctl)
{
@@ -209,11 +215,12 @@ int snd_jack_new(struct snd_card *card, const char *id, int type,
struct snd_jack *jack;
struct snd_jack_kctl *jack_kctl = NULL;
int err;
- int i;
static struct snd_device_ops ops = {
.dev_free = snd_jack_dev_free,
+#ifdef CONFIG_SND_JACK_INPUT_DEV
.dev_register = snd_jack_dev_register,
.dev_disconnect = snd_jack_dev_disconnect,
+#endif /* CONFIG_SND_JACK_INPUT_DEV */
};
if (initial_kctl) {
@@ -230,6 +237,9 @@ int snd_jack_new(struct snd_card *card, const char *id, int type,
/* don't creat input device for phantom jack */
if (!phantom_jack) {
+#ifdef CONFIG_SND_JACK_INPUT_DEV
+ int i;
+
jack->input_dev = input_allocate_device();
if (jack->input_dev == NULL) {
err = -ENOMEM;
@@ -245,6 +255,7 @@ int snd_jack_new(struct snd_card *card, const char *id, int type,
input_set_capability(jack->input_dev, EV_SW,
jack_switch_types[i]);
+#endif /* CONFIG_SND_JACK_INPUT_DEV */
}
err = snd_device_new(card, SNDRV_DEV_JACK, jack, &ops);
@@ -262,13 +273,16 @@ int snd_jack_new(struct snd_card *card, const char *id, int type,
return 0;
fail_input:
+#ifdef CONFIG_SND_JACK_INPUT_DEV
input_free_device(jack->input_dev);
+#endif
kfree(jack->id);
kfree(jack);
return err;
}
EXPORT_SYMBOL(snd_jack_new);
+#ifdef CONFIG_SND_JACK_INPUT_DEV
/**
* snd_jack_set_parent - Set the parent device for a jack
*
@@ -326,10 +340,10 @@ int snd_jack_set_key(struct snd_jack *jack, enum snd_jack_types type,
jack->type |= type;
jack->key[key] = keytype;
-
return 0;
}
EXPORT_SYMBOL(snd_jack_set_key);
+#endif /* CONFIG_SND_JACK_INPUT_DEV */
/**
* snd_jack_report - Report the current status of a jack
@@ -340,7 +354,9 @@ EXPORT_SYMBOL(snd_jack_set_key);
void snd_jack_report(struct snd_jack *jack, int status)
{
struct snd_jack_kctl *jack_kctl;
+#ifdef CONFIG_SND_JACK_INPUT_DEV
int i;
+#endif
if (!jack)
return;
@@ -349,6 +365,7 @@ void snd_jack_report(struct snd_jack *jack, int status)
snd_kctl_jack_report(jack->card, jack_kctl->kctl,
status & jack_kctl->mask_bits);
+#ifdef CONFIG_SND_JACK_INPUT_DEV
if (!jack->input_dev)
return;
@@ -369,6 +386,6 @@ void snd_jack_report(struct snd_jack *jack, int status)
}
input_sync(jack->input_dev);
-
+#endif /* CONFIG_SND_JACK_INPUT_DEV */
}
EXPORT_SYMBOL(snd_jack_report);
diff --git a/sound/core/pcm_misc.c b/sound/core/pcm_misc.c
index ebe8444de..53dc37357 100644
--- a/sound/core/pcm_misc.c
+++ b/sound/core/pcm_misc.c
@@ -565,3 +565,33 @@ unsigned int snd_pcm_rate_mask_intersect(unsigned int rates_a,
return rates_a & rates_b;
}
EXPORT_SYMBOL_GPL(snd_pcm_rate_mask_intersect);
+
+/**
+ * snd_pcm_rate_range_to_bits - converts rate range to SNDRV_PCM_RATE_xxx bit
+ * @rate_min: the minimum sample rate
+ * @rate_max: the maximum sample rate
+ *
+ * This function has an implicit assumption: the rates in the given range have
+ * only the pre-defined rates like 44100 or 16000.
+ *
+ * Return: The SNDRV_PCM_RATE_xxx flag that corresponds to the given rate range,
+ * or SNDRV_PCM_RATE_KNOT for an unknown range.
+ */
+unsigned int snd_pcm_rate_range_to_bits(unsigned int rate_min,
+ unsigned int rate_max)
+{
+ unsigned int rates = 0;
+ int i;
+
+ for (i = 0; i < snd_pcm_known_rates.count; i++) {
+ if (snd_pcm_known_rates.list[i] >= rate_min
+ && snd_pcm_known_rates.list[i] <= rate_max)
+ rates |= 1 << i;
+ }
+
+ if (!rates)
+ rates = SNDRV_PCM_RATE_KNOT;
+
+ return rates;
+}
+EXPORT_SYMBOL_GPL(snd_pcm_rate_range_to_bits);
diff --git a/sound/core/seq/seq_clientmgr.c b/sound/core/seq/seq_clientmgr.c
index 58e79e02f..d6d9419d8 100644
--- a/sound/core/seq/seq_clientmgr.c
+++ b/sound/core/seq/seq_clientmgr.c
@@ -364,6 +364,7 @@ static int snd_seq_open(struct inode *inode, struct file *file)
/* fill client data */
user->file = file;
sprintf(client->name, "Client-%d", c);
+ client->data.user.owner = get_pid(task_pid(current));
/* make others aware this new client */
snd_seq_system_client_ev_client_start(c);
@@ -380,6 +381,7 @@ static int snd_seq_release(struct inode *inode, struct file *file)
seq_free_client(client);
if (client->data.user.fifo)
snd_seq_fifo_delete(&client->data.user.fifo);
+ put_pid(client->data.user.owner);
kfree(client);
}
@@ -1197,6 +1199,17 @@ static void get_client_info(struct snd_seq_client *cptr,
info->event_lost = cptr->event_lost;
memcpy(info->event_filter, cptr->event_filter, 32);
info->num_ports = cptr->num_ports;
+
+ if (cptr->type == USER_CLIENT)
+ info->pid = pid_vnr(cptr->data.user.owner);
+ else
+ info->pid = -1;
+
+ if (cptr->type == KERNEL_CLIENT)
+ info->card = cptr->data.kernel.card ? cptr->data.kernel.card->number : -1;
+ else
+ info->card = -1;
+
memset(info->reserved, 0, sizeof(info->reserved));
}
@@ -2271,6 +2284,7 @@ int snd_seq_create_kernel_client(struct snd_card *card, int client_index,
client->accept_input = 1;
client->accept_output = 1;
+ client->data.kernel.card = card;
va_start(args, name_fmt);
vsnprintf(client->name, sizeof(client->name), name_fmt, args);
diff --git a/sound/core/seq/seq_clientmgr.h b/sound/core/seq/seq_clientmgr.h
index 20f0a725e..c6614254e 100644
--- a/sound/core/seq/seq_clientmgr.h
+++ b/sound/core/seq/seq_clientmgr.h
@@ -33,6 +33,7 @@
struct snd_seq_user_client {
struct file *file; /* file struct of client */
/* ... */
+ struct pid *owner;
/* fifo */
struct snd_seq_fifo *fifo; /* queue for incoming events */
@@ -41,6 +42,7 @@ struct snd_seq_user_client {
struct snd_seq_kernel_client {
/* ... */
+ struct snd_card *card;
};
diff --git a/sound/core/timer.c b/sound/core/timer.c
index e5e7e4368..6469bedda 100644
--- a/sound/core/timer.c
+++ b/sound/core/timer.c
@@ -305,8 +305,6 @@ int snd_timer_open(struct snd_timer_instance **ti,
return 0;
}
-static int _snd_timer_stop(struct snd_timer_instance *timeri, int event);
-
/*
* close a timer instance
*/
@@ -318,25 +316,14 @@ int snd_timer_close(struct snd_timer_instance *timeri)
if (snd_BUG_ON(!timeri))
return -ENXIO;
+ mutex_lock(&register_mutex);
+ list_del(&timeri->open_list);
+
/* force to stop the timer */
snd_timer_stop(timeri);
- if (timeri->flags & SNDRV_TIMER_IFLG_SLAVE) {
- /* wait, until the active callback is finished */
- spin_lock_irq(&slave_active_lock);
- while (timeri->flags & SNDRV_TIMER_IFLG_CALLBACK) {
- spin_unlock_irq(&slave_active_lock);
- udelay(10);
- spin_lock_irq(&slave_active_lock);
- }
- spin_unlock_irq(&slave_active_lock);
- mutex_lock(&register_mutex);
- list_del(&timeri->open_list);
- mutex_unlock(&register_mutex);
- } else {
- timer = timeri->timer;
- if (snd_BUG_ON(!timer))
- goto out;
+ timer = timeri->timer;
+ if (timer) {
/* wait, until the active callback is finished */
spin_lock_irq(&timer->lock);
while (timeri->flags & SNDRV_TIMER_IFLG_CALLBACK) {
@@ -345,11 +332,7 @@ int snd_timer_close(struct snd_timer_instance *timeri)
spin_lock_irq(&timer->lock);
}
spin_unlock_irq(&timer->lock);
- mutex_lock(&register_mutex);
- list_del(&timeri->open_list);
- if (list_empty(&timer->open_list_head) &&
- timer->hw.close)
- timer->hw.close(timer);
+
/* remove slave links */
spin_lock_irq(&slave_active_lock);
spin_lock(&timer->lock);
@@ -363,18 +346,27 @@ int snd_timer_close(struct snd_timer_instance *timeri)
}
spin_unlock(&timer->lock);
spin_unlock_irq(&slave_active_lock);
- /* release a card refcount for safe disconnection */
- if (timer->card)
- put_device(&timer->card->card_dev);
- mutex_unlock(&register_mutex);
+
+ /* slave doesn't need to release timer resources below */
+ if (timeri->flags & SNDRV_TIMER_IFLG_SLAVE)
+ timer = NULL;
}
- out:
+
if (timeri->private_free)
timeri->private_free(timeri);
kfree(timeri->owner);
kfree(timeri);
- if (timer)
+
+ if (timer) {
+ if (list_empty(&timer->open_list_head) && timer->hw.close)
+ timer->hw.close(timer);
+ /* release a card refcount for safe disconnection */
+ if (timer->card)
+ put_device(&timer->card->card_dev);
module_put(timer->module);
+ }
+
+ mutex_unlock(&register_mutex);
return 0;
}
@@ -395,7 +387,6 @@ unsigned long snd_timer_resolution(struct snd_timer_instance *timeri)
static void snd_timer_notify1(struct snd_timer_instance *ti, int event)
{
struct snd_timer *timer;
- unsigned long flags;
unsigned long resolution = 0;
struct snd_timer_instance *ts;
struct timespec tstamp;
@@ -419,34 +410,66 @@ static void snd_timer_notify1(struct snd_timer_instance *ti, int event)
return;
if (timer->hw.flags & SNDRV_TIMER_HW_SLAVE)
return;
- spin_lock_irqsave(&timer->lock, flags);
list_for_each_entry(ts, &ti->slave_active_head, active_list)
if (ts->ccallback)
ts->ccallback(ts, event + 100, &tstamp, resolution);
- spin_unlock_irqrestore(&timer->lock, flags);
}
-static int snd_timer_start1(struct snd_timer *timer, struct snd_timer_instance *timeri,
- unsigned long sticks)
+/* start/continue a master timer */
+static int snd_timer_start1(struct snd_timer_instance *timeri,
+ bool start, unsigned long ticks)
{
+ struct snd_timer *timer;
+ int result;
+ unsigned long flags;
+
+ timer = timeri->timer;
+ if (!timer)
+ return -EINVAL;
+
+ spin_lock_irqsave(&timer->lock, flags);
+ if (timer->card && timer->card->shutdown) {
+ result = -ENODEV;
+ goto unlock;
+ }
+ if (timeri->flags & (SNDRV_TIMER_IFLG_RUNNING |
+ SNDRV_TIMER_IFLG_START)) {
+ result = -EBUSY;
+ goto unlock;
+ }
+
+ if (start)
+ timeri->ticks = timeri->cticks = ticks;
+ else if (!timeri->cticks)
+ timeri->cticks = 1;
+ timeri->pticks = 0;
+
list_move_tail(&timeri->active_list, &timer->active_list_head);
if (timer->running) {
if (timer->hw.flags & SNDRV_TIMER_HW_SLAVE)
goto __start_now;
timer->flags |= SNDRV_TIMER_FLG_RESCHED;
timeri->flags |= SNDRV_TIMER_IFLG_START;
- return 1; /* delayed start */
+ result = 1; /* delayed start */
} else {
- timer->sticks = sticks;
+ if (start)
+ timer->sticks = ticks;
timer->hw.start(timer);
__start_now:
timer->running++;
timeri->flags |= SNDRV_TIMER_IFLG_RUNNING;
- return 0;
+ result = 0;
}
+ snd_timer_notify1(timeri, start ? SNDRV_TIMER_EVENT_START :
+ SNDRV_TIMER_EVENT_CONTINUE);
+ unlock:
+ spin_unlock_irqrestore(&timer->lock, flags);
+ return result;
}
-static int snd_timer_start_slave(struct snd_timer_instance *timeri)
+/* start/continue a slave timer */
+static int snd_timer_start_slave(struct snd_timer_instance *timeri,
+ bool start)
{
unsigned long flags;
@@ -460,88 +483,37 @@ static int snd_timer_start_slave(struct snd_timer_instance *timeri)
spin_lock(&timeri->timer->lock);
list_add_tail(&timeri->active_list,
&timeri->master->slave_active_head);
+ snd_timer_notify1(timeri, start ? SNDRV_TIMER_EVENT_START :
+ SNDRV_TIMER_EVENT_CONTINUE);
spin_unlock(&timeri->timer->lock);
}
spin_unlock_irqrestore(&slave_active_lock, flags);
return 1; /* delayed start */
}
-/*
- * start the timer instance
- */
-int snd_timer_start(struct snd_timer_instance *timeri, unsigned int ticks)
+/* stop/pause a master timer */
+static int snd_timer_stop1(struct snd_timer_instance *timeri, bool stop)
{
struct snd_timer *timer;
- int result = -EINVAL;
+ int result = 0;
unsigned long flags;
- if (timeri == NULL || ticks < 1)
- return -EINVAL;
- if (timeri->flags & SNDRV_TIMER_IFLG_SLAVE) {
- result = snd_timer_start_slave(timeri);
- if (result >= 0)
- snd_timer_notify1(timeri, SNDRV_TIMER_EVENT_START);
- return result;
- }
- timer = timeri->timer;
- if (timer == NULL)
- return -EINVAL;
- if (timer->card && timer->card->shutdown)
- return -ENODEV;
- spin_lock_irqsave(&timer->lock, flags);
- if (timeri->flags & (SNDRV_TIMER_IFLG_RUNNING |
- SNDRV_TIMER_IFLG_START)) {
- result = -EBUSY;
- goto unlock;
- }
- timeri->ticks = timeri->cticks = ticks;
- timeri->pticks = 0;
- result = snd_timer_start1(timer, timeri, ticks);
- unlock:
- spin_unlock_irqrestore(&timer->lock, flags);
- if (result >= 0)
- snd_timer_notify1(timeri, SNDRV_TIMER_EVENT_START);
- return result;
-}
-
-static int _snd_timer_stop(struct snd_timer_instance *timeri, int event)
-{
- struct snd_timer *timer;
- unsigned long flags;
-
- if (snd_BUG_ON(!timeri))
- return -ENXIO;
-
- if (timeri->flags & SNDRV_TIMER_IFLG_SLAVE) {
- spin_lock_irqsave(&slave_active_lock, flags);
- if (!(timeri->flags & SNDRV_TIMER_IFLG_RUNNING)) {
- spin_unlock_irqrestore(&slave_active_lock, flags);
- return -EBUSY;
- }
- if (timeri->timer)
- spin_lock(&timeri->timer->lock);
- timeri->flags &= ~SNDRV_TIMER_IFLG_RUNNING;
- list_del_init(&timeri->ack_list);
- list_del_init(&timeri->active_list);
- if (timeri->timer)
- spin_unlock(&timeri->timer->lock);
- spin_unlock_irqrestore(&slave_active_lock, flags);
- goto __end;
- }
timer = timeri->timer;
if (!timer)
return -EINVAL;
spin_lock_irqsave(&timer->lock, flags);
if (!(timeri->flags & (SNDRV_TIMER_IFLG_RUNNING |
SNDRV_TIMER_IFLG_START))) {
- spin_unlock_irqrestore(&timer->lock, flags);
- return -EBUSY;
+ result = -EBUSY;
+ goto unlock;
}
list_del_init(&timeri->ack_list);
list_del_init(&timeri->active_list);
- if (timer->card && timer->card->shutdown) {
- spin_unlock_irqrestore(&timer->lock, flags);
- return 0;
+ if (timer->card && timer->card->shutdown)
+ goto unlock;
+ if (stop) {
+ timeri->cticks = timeri->ticks;
+ timeri->pticks = 0;
}
if ((timeri->flags & SNDRV_TIMER_IFLG_RUNNING) &&
!(--timer->running)) {
@@ -556,35 +528,60 @@ static int _snd_timer_stop(struct snd_timer_instance *timeri, int event)
}
}
timeri->flags &= ~(SNDRV_TIMER_IFLG_RUNNING | SNDRV_TIMER_IFLG_START);
+ snd_timer_notify1(timeri, stop ? SNDRV_TIMER_EVENT_STOP :
+ SNDRV_TIMER_EVENT_CONTINUE);
+ unlock:
spin_unlock_irqrestore(&timer->lock, flags);
- __end:
- if (event != SNDRV_TIMER_EVENT_RESOLUTION)
- snd_timer_notify1(timeri, event);
+ return result;
+}
+
+/* stop/pause a slave timer */
+static int snd_timer_stop_slave(struct snd_timer_instance *timeri, bool stop)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&slave_active_lock, flags);
+ if (!(timeri->flags & SNDRV_TIMER_IFLG_RUNNING)) {
+ spin_unlock_irqrestore(&slave_active_lock, flags);
+ return -EBUSY;
+ }
+ timeri->flags &= ~SNDRV_TIMER_IFLG_RUNNING;
+ if (timeri->timer) {
+ spin_lock(&timeri->timer->lock);
+ list_del_init(&timeri->ack_list);
+ list_del_init(&timeri->active_list);
+ snd_timer_notify1(timeri, stop ? SNDRV_TIMER_EVENT_STOP :
+ SNDRV_TIMER_EVENT_CONTINUE);
+ spin_unlock(&timeri->timer->lock);
+ }
+ spin_unlock_irqrestore(&slave_active_lock, flags);
return 0;
}
/*
+ * start the timer instance
+ */
+int snd_timer_start(struct snd_timer_instance *timeri, unsigned int ticks)
+{
+ if (timeri == NULL || ticks < 1)
+ return -EINVAL;
+ if (timeri->flags & SNDRV_TIMER_IFLG_SLAVE)
+ return snd_timer_start_slave(timeri, true);
+ else
+ return snd_timer_start1(timeri, true, ticks);
+}
+
+/*
* stop the timer instance.
*
* do not call this from the timer callback!
*/
int snd_timer_stop(struct snd_timer_instance *timeri)
{
- struct snd_timer *timer;
- unsigned long flags;
- int err;
-
- err = _snd_timer_stop(timeri, SNDRV_TIMER_EVENT_STOP);
- if (err < 0)
- return err;
- timer = timeri->timer;
- if (!timer)
- return -EINVAL;
- spin_lock_irqsave(&timer->lock, flags);
- timeri->cticks = timeri->ticks;
- timeri->pticks = 0;
- spin_unlock_irqrestore(&timer->lock, flags);
- return 0;
+ if (timeri->flags & SNDRV_TIMER_IFLG_SLAVE)
+ return snd_timer_stop_slave(timeri, true);
+ else
+ return snd_timer_stop1(timeri, true);
}
/*
@@ -592,32 +589,10 @@ int snd_timer_stop(struct snd_timer_instance *timeri)
*/
int snd_timer_continue(struct snd_timer_instance *timeri)
{
- struct snd_timer *timer;
- int result = -EINVAL;
- unsigned long flags;
-
- if (timeri == NULL)
- return result;
if (timeri->flags & SNDRV_TIMER_IFLG_SLAVE)
- return snd_timer_start_slave(timeri);
- timer = timeri->timer;
- if (! timer)
- return -EINVAL;
- if (timer->card && timer->card->shutdown)
- return -ENODEV;
- spin_lock_irqsave(&timer->lock, flags);
- if (timeri->flags & SNDRV_TIMER_IFLG_RUNNING) {
- result = -EBUSY;
- goto unlock;
- }
- if (!timeri->cticks)
- timeri->cticks = 1;
- timeri->pticks = 0;
- result = snd_timer_start1(timer, timeri, timer->sticks);
- unlock:
- spin_unlock_irqrestore(&timer->lock, flags);
- snd_timer_notify1(timeri, SNDRV_TIMER_EVENT_CONTINUE);
- return result;
+ return snd_timer_start_slave(timeri, false);
+ else
+ return snd_timer_start1(timeri, false, 0);
}
/*
@@ -625,7 +600,10 @@ int snd_timer_continue(struct snd_timer_instance *timeri)
*/
int snd_timer_pause(struct snd_timer_instance * timeri)
{
- return _snd_timer_stop(timeri, SNDRV_TIMER_EVENT_PAUSE);
+ if (timeri->flags & SNDRV_TIMER_IFLG_SLAVE)
+ return snd_timer_stop_slave(timeri, false);
+ else
+ return snd_timer_stop1(timeri, false);
}
/*
@@ -1524,17 +1502,13 @@ static int snd_timer_user_ginfo(struct file *file,
return err;
}
-static int snd_timer_user_gparams(struct file *file,
- struct snd_timer_gparams __user *_gparams)
+static int timer_set_gparams(struct snd_timer_gparams *gparams)
{
- struct snd_timer_gparams gparams;
struct snd_timer *t;
int err;
- if (copy_from_user(&gparams, _gparams, sizeof(gparams)))
- return -EFAULT;
mutex_lock(&register_mutex);
- t = snd_timer_find(&gparams.tid);
+ t = snd_timer_find(&gparams->tid);
if (!t) {
err = -ENODEV;
goto _error;
@@ -1547,12 +1521,22 @@ static int snd_timer_user_gparams(struct file *file,
err = -ENOSYS;
goto _error;
}
- err = t->hw.set_period(t, gparams.period_num, gparams.period_den);
+ err = t->hw.set_period(t, gparams->period_num, gparams->period_den);
_error:
mutex_unlock(&register_mutex);
return err;
}
+static int snd_timer_user_gparams(struct file *file,
+ struct snd_timer_gparams __user *_gparams)
+{
+ struct snd_timer_gparams gparams;
+
+ if (copy_from_user(&gparams, _gparams, sizeof(gparams)))
+ return -EFAULT;
+ return timer_set_gparams(&gparams);
+}
+
static int snd_timer_user_gstatus(struct file *file,
struct snd_timer_gstatus __user *_gstatus)
{
diff --git a/sound/core/timer_compat.c b/sound/core/timer_compat.c
index 2e908225d..6a437eb66 100644
--- a/sound/core/timer_compat.c
+++ b/sound/core/timer_compat.c
@@ -22,6 +22,19 @@
#include <linux/compat.h>
+/*
+ * ILP32/LP64 has different size for 'long' type. Additionally, the size
+ * of storage alignment differs depending on architectures. Here, '__packed'
+ * qualifier is used so that the size of this structure is multiple of 4 and
+ * it fits to any architectures with 32 bit storage alignment.
+ */
+struct snd_timer_gparams32 {
+ struct snd_timer_id tid;
+ u32 period_num;
+ u32 period_den;
+ unsigned char reserved[32];
+} __packed;
+
struct snd_timer_info32 {
u32 flags;
s32 card;
@@ -32,6 +45,19 @@ struct snd_timer_info32 {
unsigned char reserved[64];
};
+static int snd_timer_user_gparams_compat(struct file *file,
+ struct snd_timer_gparams32 __user *user)
+{
+ struct snd_timer_gparams gparams;
+
+ if (copy_from_user(&gparams.tid, &user->tid, sizeof(gparams.tid)) ||
+ get_user(gparams.period_num, &user->period_num) ||
+ get_user(gparams.period_den, &user->period_den))
+ return -EFAULT;
+
+ return timer_set_gparams(&gparams);
+}
+
static int snd_timer_user_info_compat(struct file *file,
struct snd_timer_info32 __user *_info)
{
@@ -99,6 +125,7 @@ static int snd_timer_user_status_compat(struct file *file,
*/
enum {
+ SNDRV_TIMER_IOCTL_GPARAMS32 = _IOW('T', 0x04, struct snd_timer_gparams32),
SNDRV_TIMER_IOCTL_INFO32 = _IOR('T', 0x11, struct snd_timer_info32),
SNDRV_TIMER_IOCTL_STATUS32 = _IOW('T', 0x14, struct snd_timer_status32),
#ifdef CONFIG_X86_X32
@@ -114,7 +141,6 @@ static long snd_timer_user_ioctl_compat(struct file *file, unsigned int cmd, uns
case SNDRV_TIMER_IOCTL_PVERSION:
case SNDRV_TIMER_IOCTL_TREAD:
case SNDRV_TIMER_IOCTL_GINFO:
- case SNDRV_TIMER_IOCTL_GPARAMS:
case SNDRV_TIMER_IOCTL_GSTATUS:
case SNDRV_TIMER_IOCTL_SELECT:
case SNDRV_TIMER_IOCTL_PARAMS:
@@ -128,6 +154,8 @@ static long snd_timer_user_ioctl_compat(struct file *file, unsigned int cmd, uns
case SNDRV_TIMER_IOCTL_PAUSE_OLD:
case SNDRV_TIMER_IOCTL_NEXT_DEVICE:
return snd_timer_user_ioctl(file, cmd, (unsigned long)argp);
+ case SNDRV_TIMER_IOCTL_GPARAMS32:
+ return snd_timer_user_gparams_compat(file, argp);
case SNDRV_TIMER_IOCTL_INFO32:
return snd_timer_user_info_compat(file, argp);
case SNDRV_TIMER_IOCTL_STATUS32:
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-23 10:40:37 +0000