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-rw-r--r--sound/core/seq/seq_clientmgr.c6
-rw-r--r--sound/core/seq/seq_lock.c4
-rw-r--r--sound/core/seq/seq_lock.h12
-rw-r--r--sound/core/seq/seq_ports.c7
-rw-r--r--sound/core/seq/seq_virmidi.c27
-rw-r--r--sound/core/vmaster.c31
-rw-r--r--sound/hda/hdac_controller.c5
-rw-r--r--sound/pci/hda/hda_codec.c97
-rw-r--r--sound/usb/caiaq/device.c12
-rw-r--r--sound/usb/line6/driver.c7
-rw-r--r--sound/usb/line6/podhd.c8
-rw-r--r--sound/usb/mixer.c12
-rw-r--r--sound/usb/mixer.h2
-rw-r--r--sound/usb/quirks.c2
14 files changed, 152 insertions, 80 deletions
diff --git a/sound/core/seq/seq_clientmgr.c b/sound/core/seq/seq_clientmgr.c
index ea2d0ae85bd3..6c9cba2166d9 100644
--- a/sound/core/seq/seq_clientmgr.c
+++ b/sound/core/seq/seq_clientmgr.c
@@ -1259,6 +1259,7 @@ static int snd_seq_ioctl_create_port(struct snd_seq_client *client, void *arg)
struct snd_seq_port_info *info = arg;
struct snd_seq_client_port *port;
struct snd_seq_port_callback *callback;
+ int port_idx;
/* it is not allowed to create the port for an another client */
if (info->addr.client != client->number)
@@ -1269,7 +1270,9 @@ static int snd_seq_ioctl_create_port(struct snd_seq_client *client, void *arg)
return -ENOMEM;
if (client->type == USER_CLIENT && info->kernel) {
- snd_seq_delete_port(client, port->addr.port);
+ port_idx = port->addr.port;
+ snd_seq_port_unlock(port);
+ snd_seq_delete_port(client, port_idx);
return -EINVAL;
}
if (client->type == KERNEL_CLIENT) {
@@ -1290,6 +1293,7 @@ static int snd_seq_ioctl_create_port(struct snd_seq_client *client, void *arg)
snd_seq_set_port_info(port, info);
snd_seq_system_client_ev_port_start(port->addr.client, port->addr.port);
+ snd_seq_port_unlock(port);
return 0;
}
diff --git a/sound/core/seq/seq_lock.c b/sound/core/seq/seq_lock.c
index 0ff7926a5a69..cda64b489e42 100644
--- a/sound/core/seq/seq_lock.c
+++ b/sound/core/seq/seq_lock.c
@@ -23,8 +23,6 @@
#include <sound/core.h>
#include "seq_lock.h"
-#if defined(CONFIG_SMP) || defined(CONFIG_SND_DEBUG)
-
/* wait until all locks are released */
void snd_use_lock_sync_helper(snd_use_lock_t *lockp, const char *file, int line)
{
@@ -41,5 +39,3 @@ void snd_use_lock_sync_helper(snd_use_lock_t *lockp, const char *file, int line)
}
}
EXPORT_SYMBOL(snd_use_lock_sync_helper);
-
-#endif
diff --git a/sound/core/seq/seq_lock.h b/sound/core/seq/seq_lock.h
index 54044bc2c9ef..ac38031c370e 100644
--- a/sound/core/seq/seq_lock.h
+++ b/sound/core/seq/seq_lock.h
@@ -3,8 +3,6 @@
#include <linux/sched.h>
-#if defined(CONFIG_SMP) || defined(CONFIG_SND_DEBUG)
-
typedef atomic_t snd_use_lock_t;
/* initialize lock */
@@ -20,14 +18,4 @@ typedef atomic_t snd_use_lock_t;
void snd_use_lock_sync_helper(snd_use_lock_t *lock, const char *file, int line);
#define snd_use_lock_sync(lockp) snd_use_lock_sync_helper(lockp, __BASE_FILE__, __LINE__)
-#else /* SMP || CONFIG_SND_DEBUG */
-
-typedef spinlock_t snd_use_lock_t; /* dummy */
-#define snd_use_lock_init(lockp) /**/
-#define snd_use_lock_use(lockp) /**/
-#define snd_use_lock_free(lockp) /**/
-#define snd_use_lock_sync(lockp) /**/
-
-#endif /* SMP || CONFIG_SND_DEBUG */
-
#endif /* __SND_SEQ_LOCK_H */
diff --git a/sound/core/seq/seq_ports.c b/sound/core/seq/seq_ports.c
index 0a7020c82bfc..d21ece9f8d73 100644
--- a/sound/core/seq/seq_ports.c
+++ b/sound/core/seq/seq_ports.c
@@ -122,7 +122,9 @@ static void port_subs_info_init(struct snd_seq_port_subs_info *grp)
}
-/* create a port, port number is returned (-1 on failure) */
+/* create a port, port number is returned (-1 on failure);
+ * the caller needs to unref the port via snd_seq_port_unlock() appropriately
+ */
struct snd_seq_client_port *snd_seq_create_port(struct snd_seq_client *client,
int port)
{
@@ -151,6 +153,7 @@ struct snd_seq_client_port *snd_seq_create_port(struct snd_seq_client *client,
snd_use_lock_init(&new_port->use_lock);
port_subs_info_init(&new_port->c_src);
port_subs_info_init(&new_port->c_dest);
+ snd_use_lock_use(&new_port->use_lock);
num = port >= 0 ? port : 0;
mutex_lock(&client->ports_mutex);
@@ -165,9 +168,9 @@ struct snd_seq_client_port *snd_seq_create_port(struct snd_seq_client *client,
list_add_tail(&new_port->list, &p->list);
client->num_ports++;
new_port->addr.port = num; /* store the port number in the port */
+ sprintf(new_port->name, "port-%d", num);
write_unlock_irqrestore(&client->ports_lock, flags);
mutex_unlock(&client->ports_mutex);
- sprintf(new_port->name, "port-%d", num);
return new_port;
}
diff --git a/sound/core/seq/seq_virmidi.c b/sound/core/seq/seq_virmidi.c
index 8d93a4021c78..f48a4cd24ffc 100644
--- a/sound/core/seq/seq_virmidi.c
+++ b/sound/core/seq/seq_virmidi.c
@@ -77,13 +77,17 @@ static void snd_virmidi_init_event(struct snd_virmidi *vmidi,
* decode input event and put to read buffer of each opened file
*/
static int snd_virmidi_dev_receive_event(struct snd_virmidi_dev *rdev,
- struct snd_seq_event *ev)
+ struct snd_seq_event *ev,
+ bool atomic)
{
struct snd_virmidi *vmidi;
unsigned char msg[4];
int len;
- read_lock(&rdev->filelist_lock);
+ if (atomic)
+ read_lock(&rdev->filelist_lock);
+ else
+ down_read(&rdev->filelist_sem);
list_for_each_entry(vmidi, &rdev->filelist, list) {
if (!vmidi->trigger)
continue;
@@ -97,7 +101,10 @@ static int snd_virmidi_dev_receive_event(struct snd_virmidi_dev *rdev,
snd_rawmidi_receive(vmidi->substream, msg, len);
}
}
- read_unlock(&rdev->filelist_lock);
+ if (atomic)
+ read_unlock(&rdev->filelist_lock);
+ else
+ up_read(&rdev->filelist_sem);
return 0;
}
@@ -115,7 +122,7 @@ int snd_virmidi_receive(struct snd_rawmidi *rmidi, struct snd_seq_event *ev)
struct snd_virmidi_dev *rdev;
rdev = rmidi->private_data;
- return snd_virmidi_dev_receive_event(rdev, ev);
+ return snd_virmidi_dev_receive_event(rdev, ev, true);
}
#endif /* 0 */
@@ -130,7 +137,7 @@ static int snd_virmidi_event_input(struct snd_seq_event *ev, int direct,
rdev = private_data;
if (!(rdev->flags & SNDRV_VIRMIDI_USE))
return 0; /* ignored */
- return snd_virmidi_dev_receive_event(rdev, ev);
+ return snd_virmidi_dev_receive_event(rdev, ev, atomic);
}
/*
@@ -209,7 +216,6 @@ static int snd_virmidi_input_open(struct snd_rawmidi_substream *substream)
struct snd_virmidi_dev *rdev = substream->rmidi->private_data;
struct snd_rawmidi_runtime *runtime = substream->runtime;
struct snd_virmidi *vmidi;
- unsigned long flags;
vmidi = kzalloc(sizeof(*vmidi), GFP_KERNEL);
if (vmidi == NULL)
@@ -223,9 +229,11 @@ static int snd_virmidi_input_open(struct snd_rawmidi_substream *substream)
vmidi->client = rdev->client;
vmidi->port = rdev->port;
runtime->private_data = vmidi;
- write_lock_irqsave(&rdev->filelist_lock, flags);
+ down_write(&rdev->filelist_sem);
+ write_lock_irq(&rdev->filelist_lock);
list_add_tail(&vmidi->list, &rdev->filelist);
- write_unlock_irqrestore(&rdev->filelist_lock, flags);
+ write_unlock_irq(&rdev->filelist_lock);
+ up_write(&rdev->filelist_sem);
vmidi->rdev = rdev;
return 0;
}
@@ -264,9 +272,11 @@ static int snd_virmidi_input_close(struct snd_rawmidi_substream *substream)
struct snd_virmidi_dev *rdev = substream->rmidi->private_data;
struct snd_virmidi *vmidi = substream->runtime->private_data;
+ down_write(&rdev->filelist_sem);
write_lock_irq(&rdev->filelist_lock);
list_del(&vmidi->list);
write_unlock_irq(&rdev->filelist_lock);
+ up_write(&rdev->filelist_sem);
snd_midi_event_free(vmidi->parser);
substream->runtime->private_data = NULL;
kfree(vmidi);
@@ -520,6 +530,7 @@ int snd_virmidi_new(struct snd_card *card, int device, struct snd_rawmidi **rrmi
rdev->rmidi = rmidi;
rdev->device = device;
rdev->client = -1;
+ init_rwsem(&rdev->filelist_sem);
rwlock_init(&rdev->filelist_lock);
INIT_LIST_HEAD(&rdev->filelist);
rdev->seq_mode = SNDRV_VIRMIDI_SEQ_DISPATCH;
diff --git a/sound/core/vmaster.c b/sound/core/vmaster.c
index 6c58e6f73a01..e43af18d4383 100644
--- a/sound/core/vmaster.c
+++ b/sound/core/vmaster.c
@@ -484,3 +484,34 @@ void snd_ctl_sync_vmaster(struct snd_kcontrol *kcontrol, bool hook_only)
master->hook(master->hook_private_data, master->val);
}
EXPORT_SYMBOL_GPL(snd_ctl_sync_vmaster);
+
+/**
+ * snd_ctl_apply_vmaster_slaves - Apply function to each vmaster slave
+ * @kctl: vmaster kctl element
+ * @func: function to apply
+ * @arg: optional function argument
+ *
+ * Apply the function @func to each slave kctl of the given vmaster kctl.
+ * Returns 0 if successful, or a negative error code.
+ */
+int snd_ctl_apply_vmaster_slaves(struct snd_kcontrol *kctl,
+ int (*func)(struct snd_kcontrol *, void *),
+ void *arg)
+{
+ struct link_master *master;
+ struct link_slave *slave;
+ int err;
+
+ master = snd_kcontrol_chip(kctl);
+ err = master_init(master);
+ if (err < 0)
+ return err;
+ list_for_each_entry(slave, &master->slaves, list) {
+ err = func(&slave->slave, arg);
+ if (err < 0)
+ return err;
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(snd_ctl_apply_vmaster_slaves);
diff --git a/sound/hda/hdac_controller.c b/sound/hda/hdac_controller.c
index 978dc1801b3a..f6d2985b2520 100644
--- a/sound/hda/hdac_controller.c
+++ b/sound/hda/hdac_controller.c
@@ -284,6 +284,11 @@ int snd_hdac_bus_parse_capabilities(struct hdac_bus *bus)
dev_dbg(bus->dev, "HDA capability ID: 0x%x\n",
(cur_cap & AZX_CAP_HDR_ID_MASK) >> AZX_CAP_HDR_ID_OFF);
+ if (cur_cap == -1) {
+ dev_dbg(bus->dev, "Invalid capability reg read\n");
+ break;
+ }
+
switch ((cur_cap & AZX_CAP_HDR_ID_MASK) >> AZX_CAP_HDR_ID_OFF) {
case AZX_ML_CAP_ID:
dev_dbg(bus->dev, "Found ML capability\n");
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index 3db26c451837..a0989d231fd0 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -1803,36 +1803,6 @@ static int check_slave_present(struct hda_codec *codec,
return 1;
}
-/* guess the value corresponding to 0dB */
-static int get_kctl_0dB_offset(struct hda_codec *codec,
- struct snd_kcontrol *kctl, int *step_to_check)
-{
- int _tlv[4];
- const int *tlv = NULL;
- int val = -1;
-
- if ((kctl->vd[0].access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) &&
- kctl->tlv.c == snd_hda_mixer_amp_tlv) {
- get_ctl_amp_tlv(kctl, _tlv);
- tlv = _tlv;
- } else if (kctl->vd[0].access & SNDRV_CTL_ELEM_ACCESS_TLV_READ)
- tlv = kctl->tlv.p;
- if (tlv && tlv[0] == SNDRV_CTL_TLVT_DB_SCALE) {
- int step = tlv[3];
- step &= ~TLV_DB_SCALE_MUTE;
- if (!step)
- return -1;
- if (*step_to_check && *step_to_check != step) {
- codec_err(codec, "Mismatching dB step for vmaster slave (%d!=%d)\n",
-- *step_to_check, step);
- return -1;
- }
- *step_to_check = step;
- val = -tlv[2] / step;
- }
- return val;
-}
-
/* call kctl->put with the given value(s) */
static int put_kctl_with_value(struct snd_kcontrol *kctl, int val)
{
@@ -1847,19 +1817,58 @@ static int put_kctl_with_value(struct snd_kcontrol *kctl, int val)
return 0;
}
-/* initialize the slave volume with 0dB */
-static int init_slave_0dB(struct hda_codec *codec,
- void *data, struct snd_kcontrol *slave)
+struct slave_init_arg {
+ struct hda_codec *codec;
+ int step;
+};
+
+/* initialize the slave volume with 0dB via snd_ctl_apply_vmaster_slaves() */
+static int init_slave_0dB(struct snd_kcontrol *kctl, void *_arg)
{
- int offset = get_kctl_0dB_offset(codec, slave, data);
- if (offset > 0)
- put_kctl_with_value(slave, offset);
+ struct slave_init_arg *arg = _arg;
+ int _tlv[4];
+ const int *tlv = NULL;
+ int step;
+ int val;
+
+ if (kctl->vd[0].access & SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK) {
+ if (kctl->tlv.c != snd_hda_mixer_amp_tlv) {
+ codec_err(arg->codec,
+ "Unexpected TLV callback for slave %s:%d\n",
+ kctl->id.name, kctl->id.index);
+ return 0; /* ignore */
+ }
+ get_ctl_amp_tlv(kctl, _tlv);
+ tlv = _tlv;
+ } else if (kctl->vd[0].access & SNDRV_CTL_ELEM_ACCESS_TLV_READ)
+ tlv = kctl->tlv.p;
+
+ if (!tlv || tlv[0] != SNDRV_CTL_TLVT_DB_SCALE)
+ return 0;
+
+ step = tlv[3];
+ step &= ~TLV_DB_SCALE_MUTE;
+ if (!step)
+ return 0;
+ if (arg->step && arg->step != step) {
+ codec_err(arg->codec,
+ "Mismatching dB step for vmaster slave (%d!=%d)\n",
+ arg->step, step);
+ return 0;
+ }
+
+ arg->step = step;
+ val = -tlv[2] / step;
+ if (val > 0) {
+ put_kctl_with_value(kctl, val);
+ return val;
+ }
+
return 0;
}
-/* unmute the slave */
-static int init_slave_unmute(struct hda_codec *codec,
- void *data, struct snd_kcontrol *slave)
+/* unmute the slave via snd_ctl_apply_vmaster_slaves() */
+static int init_slave_unmute(struct snd_kcontrol *slave, void *_arg)
{
return put_kctl_with_value(slave, 1);
}
@@ -1919,9 +1928,13 @@ int __snd_hda_add_vmaster(struct hda_codec *codec, char *name,
/* init with master mute & zero volume */
put_kctl_with_value(kctl, 0);
if (init_slave_vol) {
- int step = 0;
- map_slaves(codec, slaves, suffix,
- tlv ? init_slave_0dB : init_slave_unmute, &step);
+ struct slave_init_arg arg = {
+ .codec = codec,
+ .step = 0,
+ };
+ snd_ctl_apply_vmaster_slaves(kctl,
+ tlv ? init_slave_0dB : init_slave_unmute,
+ &arg);
}
if (ctl_ret)
diff --git a/sound/usb/caiaq/device.c b/sound/usb/caiaq/device.c
index 0fb6b1b79261..d8409d9ae55b 100644
--- a/sound/usb/caiaq/device.c
+++ b/sound/usb/caiaq/device.c
@@ -469,10 +469,12 @@ static int init_card(struct snd_usb_caiaqdev *cdev)
err = snd_usb_caiaq_send_command(cdev, EP1_CMD_GET_DEVICE_INFO, NULL, 0);
if (err)
- return err;
+ goto err_kill_urb;
- if (!wait_event_timeout(cdev->ep1_wait_queue, cdev->spec_received, HZ))
- return -ENODEV;
+ if (!wait_event_timeout(cdev->ep1_wait_queue, cdev->spec_received, HZ)) {
+ err = -ENODEV;
+ goto err_kill_urb;
+ }
usb_string(usb_dev, usb_dev->descriptor.iManufacturer,
cdev->vendor_name, CAIAQ_USB_STR_LEN);
@@ -507,6 +509,10 @@ static int init_card(struct snd_usb_caiaqdev *cdev)
setup_card(cdev);
return 0;
+
+ err_kill_urb:
+ usb_kill_urb(&cdev->ep1_in_urb);
+ return err;
}
static int snd_probe(struct usb_interface *intf,
diff --git a/sound/usb/line6/driver.c b/sound/usb/line6/driver.c
index 0ff5a7d2e19f..c8f723c3a033 100644
--- a/sound/usb/line6/driver.c
+++ b/sound/usb/line6/driver.c
@@ -779,9 +779,10 @@ int line6_probe(struct usb_interface *interface,
return 0;
error:
- if (line6->disconnect)
- line6->disconnect(line6);
- snd_card_free(card);
+ /* we can call disconnect callback here because no close-sync is
+ * needed yet at this point
+ */
+ line6_disconnect(interface);
return ret;
}
EXPORT_SYMBOL_GPL(line6_probe);
diff --git a/sound/usb/line6/podhd.c b/sound/usb/line6/podhd.c
index 956f847a96e4..451007c27743 100644
--- a/sound/usb/line6/podhd.c
+++ b/sound/usb/line6/podhd.c
@@ -301,7 +301,8 @@ static void podhd_disconnect(struct usb_line6 *line6)
intf = usb_ifnum_to_if(line6->usbdev,
pod->line6.properties->ctrl_if);
- usb_driver_release_interface(&podhd_driver, intf);
+ if (intf)
+ usb_driver_release_interface(&podhd_driver, intf);
}
}
@@ -317,6 +318,9 @@ static int podhd_init(struct usb_line6 *line6,
line6->disconnect = podhd_disconnect;
+ init_timer(&pod->startup_timer);
+ INIT_WORK(&pod->startup_work, podhd_startup_workqueue);
+
if (pod->line6.properties->capabilities & LINE6_CAP_CONTROL) {
/* claim the data interface */
intf = usb_ifnum_to_if(line6->usbdev,
@@ -358,8 +362,6 @@ static int podhd_init(struct usb_line6 *line6,
}
/* init device and delay registering */
- init_timer(&pod->startup_timer);
- INIT_WORK(&pod->startup_work, podhd_startup_workqueue);
podhd_startup(pod);
return 0;
}
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index 9732edf77f86..91bc8f18791e 100644
--- a/sound/usb/mixer.c
+++ b/sound/usb/mixer.c
@@ -2234,6 +2234,9 @@ static int parse_audio_unit(struct mixer_build *state, int unitid)
static void snd_usb_mixer_free(struct usb_mixer_interface *mixer)
{
+ /* kill pending URBs */
+ snd_usb_mixer_disconnect(mixer);
+
kfree(mixer->id_elems);
if (mixer->urb) {
kfree(mixer->urb->transfer_buffer);
@@ -2584,8 +2587,13 @@ _error:
void snd_usb_mixer_disconnect(struct usb_mixer_interface *mixer)
{
- usb_kill_urb(mixer->urb);
- usb_kill_urb(mixer->rc_urb);
+ if (mixer->disconnected)
+ return;
+ if (mixer->urb)
+ usb_kill_urb(mixer->urb);
+ if (mixer->rc_urb)
+ usb_kill_urb(mixer->rc_urb);
+ mixer->disconnected = true;
}
#ifdef CONFIG_PM
diff --git a/sound/usb/mixer.h b/sound/usb/mixer.h
index 2b4b067646ab..545d99b09706 100644
--- a/sound/usb/mixer.h
+++ b/sound/usb/mixer.h
@@ -22,6 +22,8 @@ struct usb_mixer_interface {
struct urb *rc_urb;
struct usb_ctrlrequest *rc_setup_packet;
u8 rc_buffer[6];
+
+ bool disconnected;
};
#define MAX_CHANNELS 16 /* max logical channels */
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index b8cb57aeec77..4f5f18f22974 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -1138,6 +1138,7 @@ bool snd_usb_get_sample_rate_quirk(struct snd_usb_audio *chip)
case USB_ID(0x047F, 0x0415): /* Plantronics BT-300 */
case USB_ID(0x047F, 0xAA05): /* Plantronics DA45 */
case USB_ID(0x047F, 0xC022): /* Plantronics C310 */
+ case USB_ID(0x047F, 0xC02F): /* Plantronics P610 */
case USB_ID(0x047F, 0xC036): /* Plantronics C520-M */
case USB_ID(0x04D8, 0xFEEA): /* Benchmark DAC1 Pre */
case USB_ID(0x0556, 0x0014): /* Phoenix Audio TMX320VC */
@@ -1353,6 +1354,7 @@ u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip,
case USB_ID(0x20b1, 0x2008): /* Matrix Audio X-Sabre */
case USB_ID(0x20b1, 0x300a): /* Matrix Audio Mini-i Pro */
case USB_ID(0x22d9, 0x0416): /* OPPO HA-1 */
+ case USB_ID(0x2772, 0x0230): /* Pro-Ject Pre Box S2 Digital */
if (fp->altsetting == 2)
return SNDRV_PCM_FMTBIT_DSD_U32_BE;
break;