[ALSA] echoaudio - convert from semaphore to mutex

Converted from semaphore to mutex.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>

2 files changed, 10 insertions, 10 deletions

diff --git a/sound/pci/echoaudio/echoaudio.c b/sound/pci/echoaudio/echoaudio.c
index 499ee1a5319d..90ec090792ba 100644
--- a/sound/pci/echoaudio/echoaudio.c
+++ b/sound/pci/echoaudio/echoaudio.c
@@ -378,7 +378,7 @@ static int pcm_digital_in_open(struct snd_pcm_substream *substream)
 
         DE_ACT(("pcm_digital_in_open\n"));
         max_channels = num_digital_busses_in(chip) - substream->number;
-        down(&chip->mode_mutex);
+        mutex_lock(&chip->mode_mutex);
         if (chip->digital_mode == DIGITAL_MODE_ADAT)
                 err = pcm_open(substream, max_channels);
         else    /* If the card has ADAT, subtract the 6 channels
@@ -405,7 +405,7 @@ static int pcm_digital_in_open(struct snd_pcm_substream *substream)
                 chip->can_set_rate=0;
 
 din_exit:
-        up(&chip->mode_mutex);
+        mutex_unlock(&chip->mode_mutex);
         return err;
 }
 
@@ -420,7 +420,7 @@ static int pcm_digital_out_open(struct snd_pcm_substream *substream)
 
         DE_ACT(("pcm_digital_out_open\n"));
         max_channels = num_digital_busses_out(chip) - substream->number;
-        down(&chip->mode_mutex);
+        mutex_lock(&chip->mode_mutex);
         if (chip->digital_mode == DIGITAL_MODE_ADAT)
                 err = pcm_open(substream, max_channels);
         else    /* If the card has ADAT, subtract the 6 channels
@@ -447,7 +447,7 @@ static int pcm_digital_out_open(struct snd_pcm_substream *substream)
         if (atomic_read(&chip->opencount) > 1 && chip->rate_set)
                 chip->can_set_rate=0;
 dout_exit:
-        up(&chip->mode_mutex);
+        mutex_unlock(&chip->mode_mutex);
         return err;
 }
 
@@ -1420,7 +1420,7 @@ static int snd_echo_digital_mode_put(struct snd_kcontrol *kcontrol,
         if (dmode != chip->digital_mode) {
                 /* mode_mutex is required to make this operation atomic wrt
                 pcm_digital_*_open() and set_input_clock() functions. */
-                down(&chip->mode_mutex);
+                mutex_lock(&chip->mode_mutex);
 
                 /* Do not allow the user to change the digital mode when a pcm
                 device is open because it also changes the number of channels
@@ -1439,7 +1439,7 @@ static int snd_echo_digital_mode_put(struct snd_kcontrol *kcontrol,
                         if (changed >= 0)
                                 changed = 1;    /* No errors */
                 }
-                up(&chip->mode_mutex);
+                mutex_unlock(&chip->mode_mutex);
         }
         return changed;
 }
@@ -1566,12 +1566,12 @@ static int snd_echo_clock_source_put(struct snd_kcontrol *kcontrol,
                 return -EINVAL;
         dclock = chip->clock_source_list[eclock];
         if (chip->input_clock != dclock) {
-                down(&chip->mode_mutex);
+                mutex_lock(&chip->mode_mutex);
                 spin_lock_irq(&chip->lock);
                 if ((changed = set_input_clock(chip, dclock)) == 0)
                         changed = 1;    /* no errors */
                 spin_unlock_irq(&chip->lock);
-                up(&chip->mode_mutex);
+                mutex_unlock(&chip->mode_mutex);
         }
 
         if (changed < 0)
@@ -1972,7 +1972,7 @@ static __devinit int snd_echo_create(struct snd_card *card,
                 return err;
         }
         atomic_set(&chip->opencount, 0);
-        init_MUTEX(&chip->mode_mutex);
+        mutex_init(&chip->mode_mutex);
         chip->can_set_rate = 1;
         *rchip = chip;
         /* Init done ! */
diff --git a/sound/pci/echoaudio/echoaudio.h b/sound/pci/echoaudio/echoaudio.h
index 7e88c968e22f..1c88e051abf2 100644
--- a/sound/pci/echoaudio/echoaudio.h
+++ b/sound/pci/echoaudio/echoaudio.h
@@ -361,7 +361,7 @@ struct echoaudio {
         spinlock_t lock;
         struct snd_pcm_substream *substream[DSP_MAXPIPES];
         int last_period[DSP_MAXPIPES];
-        struct semaphore mode_mutex;
+        struct mutex mode_mutex;
         u16 num_digital_modes, digital_mode_list[6];
         u16 num_clock_sources, clock_source_list[10];
         atomic_t opencount;