#include <linux/delay.h>
#include <linux/init.h>
#include <linux/interrupt.h>
-#include <linux/smp_lock.h>
+#include <linux/mutex.h>
#include <linux/gfp.h>
#include <asm/irq.h>
#include <asm/io.h>
dev.rec_sample_rate / \
dev.rec_channels)
+static DEFINE_MUTEX(msnd_pinnacle_mutex);
static multisound_dev_t dev;
#ifndef HAVE_DSPCODEH
ret = -EINVAL;
- lock_kernel();
+ mutex_lock(&msnd_pinnacle_mutex);
if (minor == dev.dsp_minor)
ret = dsp_ioctl(file, cmd, arg);
else if (minor == dev.mixer_minor)
ret = mixer_ioctl(cmd, arg);
- unlock_kernel();
+ mutex_unlock(&msnd_pinnacle_mutex);
return ret;
}
int minor = iminor(inode);
int err = 0;
- lock_kernel();
+ mutex_lock(&msnd_pinnacle_mutex);
if (minor == dev.dsp_minor) {
if ((file->f_mode & FMODE_WRITE &&
test_bit(F_AUDIO_WRITE_INUSE, &dev.flags)) ||
} else
err = -EINVAL;
out:
- unlock_kernel();
+ mutex_unlock(&msnd_pinnacle_mutex);
return err;
}
int minor = iminor(inode);
int err = 0;
- lock_kernel();
+ mutex_lock(&msnd_pinnacle_mutex);
if (minor == dev.dsp_minor)
err = dsp_release(file);
else if (minor == dev.mixer_minor) {
/* nothing */
} else
err = -EINVAL;
- unlock_kernel();
+ mutex_unlock(&msnd_pinnacle_mutex);
return err;
}