diff --git a/Modules/linuxaudiodev.c b/Modules/linuxaudiodev.c
index 80077c6..7fe20ae 100644
--- a/Modules/linuxaudiodev.c
+++ b/Modules/linuxaudiodev.c
@@ -1,14 +1,14 @@
-/* Hey Emacs, this is -*-C-*- 
+/* Hey Emacs, this is -*-C-*-
  ******************************************************************************
  * linuxaudiodev.c -- Linux audio device for python.
- * 
+ *
  * Author          : Peter Bosch
  * Created On      : Thu Mar  2 21:10:33 2000
  * Status          : Unknown, Use with caution!
- * 
+ *
  * Unless other notices are present in any part of this file
- * explicitly claiming copyrights for other people and/or 
- * organizations, the contents of this file is fully copyright 
+ * explicitly claiming copyrights for other people and/or
+ * organizations, the contents of this file is fully copyright
  * (C) 2000 Peter Bosch, all rights reserved.
  ******************************************************************************
  */
@@ -43,11 +43,11 @@
 
 typedef struct {
     PyObject_HEAD
-    int		x_fd;		/* The open file */
+    int         x_fd;           /* The open file */
     int         x_mode;           /* file mode */
-    int		x_icount;	/* Input count */
-    int		x_ocount;	/* Output count */
-    uint32_t	x_afmts;	/* Audio formats supported by hardware*/
+    int         x_icount;       /* Input count */
+    int         x_ocount;       /* Output count */
+    uint32_t    x_afmts;        /* Audio formats supported by hardware*/
 } lad_t;
 
 /* XXX several format defined in soundcard.h are not supported,
@@ -55,19 +55,19 @@
 */
 
 static struct {
-    int		a_bps;
-    uint32_t	a_fmt;
+    int         a_bps;
+    uint32_t    a_fmt;
     char       *a_name;
 } audio_types[] = {
-    {  8, 	AFMT_MU_LAW, "logarithmic mu-law 8-bit audio" },
-    {  8, 	AFMT_A_LAW,  "logarithmic A-law 8-bit audio" },
-    {  8,	AFMT_U8,     "linear unsigned 8-bit audio" },
-    {  8, 	AFMT_S8,     "linear signed 8-bit audio" },
-    { 16, 	AFMT_U16_BE, "linear unsigned 16-bit big-endian audio" },
-    { 16, 	AFMT_U16_LE, "linear unsigned 16-bit little-endian audio" },
-    { 16, 	AFMT_S16_BE, "linear signed 16-bit big-endian audio" },
-    { 16, 	AFMT_S16_LE, "linear signed 16-bit little-endian audio" },
-    { 16, 	AFMT_S16_NE, "linear signed 16-bit native-endian audio" },
+    {  8,       AFMT_MU_LAW, "logarithmic mu-law 8-bit audio" },
+    {  8,       AFMT_A_LAW,  "logarithmic A-law 8-bit audio" },
+    {  8,       AFMT_U8,     "linear unsigned 8-bit audio" },
+    {  8,       AFMT_S8,     "linear signed 8-bit audio" },
+    { 16,       AFMT_U16_BE, "linear unsigned 16-bit big-endian audio" },
+    { 16,       AFMT_U16_LE, "linear unsigned 16-bit little-endian audio" },
+    { 16,       AFMT_S16_BE, "linear signed 16-bit big-endian audio" },
+    { 16,       AFMT_S16_LE, "linear signed 16-bit little-endian audio" },
+    { 16,       AFMT_S16_NE, "linear signed 16-bit native-endian audio" },
 };
 
 static int n_audio_types = sizeof(audio_types) / sizeof(audio_types[0]);
@@ -108,7 +108,7 @@
     /* Open the correct device.  The base device name comes from the
      * AUDIODEV environment variable first, then /dev/dsp.  The
      * control device tacks "ctl" onto the base device name.
-     * 
+     *
      * Note that the only difference between /dev/audio and /dev/dsp
      * is that the former uses logarithmic mu-law encoding and the
      * latter uses 8-bit unsigned encoding.
@@ -149,7 +149,7 @@
 {
     /* if already closed, don't reclose it */
     if (xp->x_fd != -1)
-	close(xp->x_fd);
+        close(xp->x_fd);
     PyObject_Del(xp);
 }
 
@@ -159,7 +159,7 @@
     int size, count;
     char *cp;
     PyObject *rv;
-	
+
     if (!PyArg_ParseTuple(args, "i:read", &size))
         return NULL;
     rv = PyString_FromStringAndSize(NULL, size);
@@ -184,36 +184,36 @@
     fd_set write_set_fds;
     struct timeval tv;
     int select_retval;
-    
-    if (!PyArg_ParseTuple(args, "s#:write", &cp, &size)) 
-	return NULL;
+
+    if (!PyArg_ParseTuple(args, "s#:write", &cp, &size))
+        return NULL;
 
     /* use select to wait for audio device to be available */
     FD_ZERO(&write_set_fds);
     FD_SET(self->x_fd, &write_set_fds);
     tv.tv_sec = 4; /* timeout values */
-    tv.tv_usec = 0; 
+    tv.tv_usec = 0;
 
     while (size > 0) {
       select_retval = select(self->x_fd+1, NULL, &write_set_fds, NULL, &tv);
       tv.tv_sec = 1; tv.tv_usec = 0; /* willing to wait this long next time*/
       if (select_retval) {
         if ((rv = write(self->x_fd, cp, size)) == -1) {
-	  if (errno != EAGAIN) {
-	    PyErr_SetFromErrno(LinuxAudioError);
-	    return NULL;
-	  } else {
-	    errno = 0; /* EAGAIN: buffer is full, try again */
-	  }
+          if (errno != EAGAIN) {
+            PyErr_SetFromErrno(LinuxAudioError);
+            return NULL;
+          } else {
+            errno = 0; /* EAGAIN: buffer is full, try again */
+          }
         } else {
-	  self->x_ocount += rv;
-	  size -= rv;
-	  cp += rv;
-	}
+          self->x_ocount += rv;
+          size -= rv;
+          cp += rv;
+        }
       } else {
-	/* printf("Not able to write to linux audio device within %ld seconds\n", tv.tv_sec); */
-	PyErr_SetFromErrno(LinuxAudioError);
-	return NULL;
+        /* printf("Not able to write to linux audio device within %ld seconds\n", tv.tv_sec); */
+        PyErr_SetFromErrno(LinuxAudioError);
+        return NULL;
       }
     }
     Py_INCREF(Py_None);
@@ -244,47 +244,47 @@
     if (!PyArg_ParseTuple(args, "iiii|i:setparameters",
                           &rate, &ssize, &nchannels, &fmt, &emulate))
         return NULL;
-  
+
     if (rate < 0) {
-	PyErr_Format(PyExc_ValueError, "expected rate >= 0, not %d",
-		     rate); 
-	return NULL;
+        PyErr_Format(PyExc_ValueError, "expected rate >= 0, not %d",
+                     rate);
+        return NULL;
     }
     if (ssize < 0) {
-	PyErr_Format(PyExc_ValueError, "expected sample size >= 0, not %d",
-		     ssize);
-	return NULL;
+        PyErr_Format(PyExc_ValueError, "expected sample size >= 0, not %d",
+                     ssize);
+        return NULL;
     }
     if (nchannels != 1 && nchannels != 2) {
-	PyErr_Format(PyExc_ValueError, "nchannels must be 1 or 2, not %d",
-		     nchannels);
-	return NULL;
+        PyErr_Format(PyExc_ValueError, "nchannels must be 1 or 2, not %d",
+                     nchannels);
+        return NULL;
     }
 
     for (n = 0; n < n_audio_types; n++)
         if (fmt == audio_types[n].a_fmt)
             break;
     if (n == n_audio_types) {
-	PyErr_Format(PyExc_ValueError, "unknown audio encoding: %d", fmt);
-	return NULL;
+        PyErr_Format(PyExc_ValueError, "unknown audio encoding: %d", fmt);
+        return NULL;
     }
     if (audio_types[n].a_bps != ssize) {
-	PyErr_Format(PyExc_ValueError, 
-		     "for %s, expected sample size %d, not %d",
-		     audio_types[n].a_name, audio_types[n].a_bps, ssize);
-	return NULL;
+        PyErr_Format(PyExc_ValueError,
+                     "for %s, expected sample size %d, not %d",
+                     audio_types[n].a_name, audio_types[n].a_bps, ssize);
+        return NULL;
     }
 
     if (emulate == 0) {
-	if ((self->x_afmts & audio_types[n].a_fmt) == 0) {
-	    PyErr_Format(PyExc_ValueError, 
-			 "%s format not supported by device",
-			 audio_types[n].a_name);
-	    return NULL;
-	}
+        if ((self->x_afmts & audio_types[n].a_fmt) == 0) {
+            PyErr_Format(PyExc_ValueError,
+                         "%s format not supported by device",
+                         audio_types[n].a_name);
+            return NULL;
+        }
     }
-    if (ioctl(self->x_fd, SNDCTL_DSP_SETFMT, 
-	      &audio_types[n].a_fmt) == -1) {
+    if (ioctl(self->x_fd, SNDCTL_DSP_SETFMT,
+              &audio_types[n].a_fmt) == -1) {
         PyErr_SetFromErrno(LinuxAudioError);
         return NULL;
     }
@@ -307,7 +307,7 @@
     int fmt;
 
     fmt = 0;
-    if (ioctl(self->x_fd, SNDCTL_DSP_SETFMT, &fmt) < 0) 
+    if (ioctl(self->x_fd, SNDCTL_DSP_SETFMT, &fmt) < 0)
         return -errno;
 
     switch (fmt) {
@@ -334,7 +334,7 @@
 }
 
 
-/* bufsize returns the size of the hardware audio buffer in number 
+/* bufsize returns the size of the hardware audio buffer in number
    of samples */
 static PyObject *
 lad_bufsize(lad_t *self, PyObject *unused)
@@ -353,7 +353,7 @@
     return PyInt_FromLong((ai.fragstotal * ai.fragsize) / (nchannels * ssize));
 }
 
-/* obufcount returns the number of samples that are available in the 
+/* obufcount returns the number of samples that are available in the
    hardware for playing */
 static PyObject *
 lad_obufcount(lad_t *self, PyObject *unused)
@@ -369,7 +369,7 @@
         PyErr_SetFromErrno(LinuxAudioError);
         return NULL;
     }
-    return PyInt_FromLong((ai.fragstotal * ai.fragsize - ai.bytes) / 
+    return PyInt_FromLong((ai.fragstotal * ai.fragsize - ai.bytes) /
                           (ssize * nchannels));
 }
 
@@ -410,9 +410,9 @@
     int req;
 
     if (self->x_mode == O_RDONLY)
-	req = SNDCTL_DSP_GETIPTR;
+        req = SNDCTL_DSP_GETIPTR;
     else
-	req = SNDCTL_DSP_GETOPTR;
+        req = SNDCTL_DSP_GETOPTR;
     if (ioctl(self->x_fd, req, &info) == -1) {
         PyErr_SetFromErrno(LinuxAudioError);
         return NULL;
@@ -421,17 +421,17 @@
 }
 
 static PyMethodDef lad_methods[] = {
-    { "read",		(PyCFunction)lad_read, METH_VARARGS },
-    { "write",		(PyCFunction)lad_write, METH_VARARGS },
-    { "setparameters",	(PyCFunction)lad_setparameters, METH_VARARGS },
-    { "bufsize",	(PyCFunction)lad_bufsize, METH_VARARGS },
-    { "obufcount",	(PyCFunction)lad_obufcount, METH_NOARGS },
-    { "obuffree",	(PyCFunction)lad_obuffree, METH_NOARGS },
-    { "flush",		(PyCFunction)lad_flush, METH_NOARGS },
-    { "close",		(PyCFunction)lad_close, METH_NOARGS },
-    { "fileno",     	(PyCFunction)lad_fileno, METH_NOARGS },
+    { "read",           (PyCFunction)lad_read, METH_VARARGS },
+    { "write",          (PyCFunction)lad_write, METH_VARARGS },
+    { "setparameters",  (PyCFunction)lad_setparameters, METH_VARARGS },
+    { "bufsize",        (PyCFunction)lad_bufsize, METH_VARARGS },
+    { "obufcount",      (PyCFunction)lad_obufcount, METH_NOARGS },
+    { "obuffree",       (PyCFunction)lad_obuffree, METH_NOARGS },
+    { "flush",          (PyCFunction)lad_flush, METH_NOARGS },
+    { "close",          (PyCFunction)lad_close, METH_NOARGS },
+    { "fileno",         (PyCFunction)lad_fileno, METH_NOARGS },
     { "getptr",         (PyCFunction)lad_getptr, METH_NOARGS },
-    { NULL,		NULL}		/* sentinel */
+    { NULL,             NULL}           /* sentinel */
 };
 
 static PyObject *
@@ -443,15 +443,15 @@
 static PyTypeObject Ladtype = {
     PyVarObject_HEAD_INIT(&PyType_Type, 0)
     "linuxaudiodev.linux_audio_device", /*tp_name*/
-    sizeof(lad_t),		/*tp_size*/
-    0,				/*tp_itemsize*/
+    sizeof(lad_t),              /*tp_size*/
+    0,                          /*tp_itemsize*/
     /* methods */
-    (destructor)lad_dealloc,	/*tp_dealloc*/
-    0,				/*tp_print*/
-    (getattrfunc)lad_getattr,	/*tp_getattr*/
-    0,				/*tp_setattr*/
-    0,				/*tp_compare*/
-    0,				/*tp_repr*/
+    (destructor)lad_dealloc,    /*tp_dealloc*/
+    0,                          /*tp_print*/
+    (getattrfunc)lad_getattr,   /*tp_getattr*/
+    0,                          /*tp_setattr*/
+    0,                          /*tp_compare*/
+    0,                          /*tp_repr*/
 };
 
 static PyObject *
@@ -469,37 +469,37 @@
 initlinuxaudiodev(void)
 {
     PyObject *m;
-    
+
     if (PyErr_WarnPy3k("the linuxaudiodev module has been removed in "
                     "Python 3.0; use the ossaudiodev module instead", 2) < 0)
         return;
-  
+
     m = Py_InitModule("linuxaudiodev", linuxaudiodev_methods);
     if (m == NULL)
-	return;
+        return;
 
     LinuxAudioError = PyErr_NewException("linuxaudiodev.error", NULL, NULL);
     if (LinuxAudioError)
-	PyModule_AddObject(m, "error", LinuxAudioError);
+        PyModule_AddObject(m, "error", LinuxAudioError);
 
     if (PyModule_AddIntConstant(m, "AFMT_MU_LAW", (long)AFMT_MU_LAW) == -1)
-	return;
+        return;
     if (PyModule_AddIntConstant(m, "AFMT_A_LAW", (long)AFMT_A_LAW) == -1)
-	return;
+        return;
     if (PyModule_AddIntConstant(m, "AFMT_U8", (long)AFMT_U8) == -1)
-	return;
+        return;
     if (PyModule_AddIntConstant(m, "AFMT_S8", (long)AFMT_S8) == -1)
-	return;
+        return;
     if (PyModule_AddIntConstant(m, "AFMT_U16_BE", (long)AFMT_U16_BE) == -1)
-	return;
+        return;
     if (PyModule_AddIntConstant(m, "AFMT_U16_LE", (long)AFMT_U16_LE) == -1)
-	return;
+        return;
     if (PyModule_AddIntConstant(m, "AFMT_S16_BE", (long)AFMT_S16_BE) == -1)
-	return;
+        return;
     if (PyModule_AddIntConstant(m, "AFMT_S16_LE", (long)AFMT_S16_LE) == -1)
-	return;
+        return;
     if (PyModule_AddIntConstant(m, "AFMT_S16_NE", (long)AFMT_S16_NE) == -1)
-	return;
+        return;
 
     return;
 }