diff options
Diffstat (limited to 'sound/pci/mixart/mixart_core.c')
| -rw-r--r-- | sound/pci/mixart/mixart_core.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/sound/pci/mixart/mixart_core.c b/sound/pci/mixart/mixart_core.c index 07c707d7ebbf..406ac3a9d42a 100644 --- a/sound/pci/mixart/mixart_core.c +++ b/sound/pci/mixart/mixart_core.c @@ -22,6 +22,8 @@ #include <sound/driver.h> #include <linux/interrupt.h> +#include <linux/mutex.h> + #include <asm/io.h> #include <sound/core.h> #include "mixart.h" @@ -239,7 +241,7 @@ int snd_mixart_send_msg(struct mixart_mgr *mgr, struct mixart_msg *request, int wait_queue_t wait; long timeout; - down(&mgr->msg_mutex); + mutex_lock(&mgr->msg_mutex); init_waitqueue_entry(&wait, current); @@ -248,7 +250,7 @@ int snd_mixart_send_msg(struct mixart_mgr *mgr, struct mixart_msg *request, int err = send_msg(mgr, request, max_resp_size, 1, &msg_frame); /* send and mark the answer pending */ if (err) { spin_unlock_irq(&mgr->msg_lock); - up(&mgr->msg_mutex); + mutex_unlock(&mgr->msg_mutex); return err; } @@ -260,7 +262,7 @@ int snd_mixart_send_msg(struct mixart_mgr *mgr, struct mixart_msg *request, int if (! timeout) { /* error - no ack */ - up(&mgr->msg_mutex); + mutex_unlock(&mgr->msg_mutex); snd_printk(KERN_ERR "error: no reponse on msg %x\n", msg_frame); return -EIO; } @@ -276,7 +278,7 @@ int snd_mixart_send_msg(struct mixart_mgr *mgr, struct mixart_msg *request, int if( request->message_id != resp.message_id ) snd_printk(KERN_ERR "REPONSE ERROR!\n"); - up(&mgr->msg_mutex); + mutex_unlock(&mgr->msg_mutex); return err; } @@ -292,7 +294,7 @@ int snd_mixart_send_msg_wait_notif(struct mixart_mgr *mgr, snd_assert((notif_event & MSG_TYPE_MASK) == MSG_TYPE_NOTIFY, return -EINVAL); snd_assert((notif_event & MSG_CANCEL_NOTIFY_MASK) == 0, return -EINVAL); - down(&mgr->msg_mutex); + mutex_lock(&mgr->msg_mutex); init_waitqueue_entry(&wait, current); @@ -301,7 +303,7 @@ int snd_mixart_send_msg_wait_notif(struct mixart_mgr *mgr, err = send_msg(mgr, request, MSG_DEFAULT_SIZE, 1, ¬if_event); /* send and mark the notification event pending */ if(err) { spin_unlock_irq(&mgr->msg_lock); - up(&mgr->msg_mutex); + mutex_unlock(&mgr->msg_mutex); return err; } @@ -313,12 +315,12 @@ int snd_mixart_send_msg_wait_notif(struct mixart_mgr *mgr, if (! timeout) { /* error - no ack */ - up(&mgr->msg_mutex); + mutex_unlock(&mgr->msg_mutex); snd_printk(KERN_ERR "error: notification %x not received\n", notif_event); return -EIO; } - up(&mgr->msg_mutex); + mutex_unlock(&mgr->msg_mutex); return 0; } |