Staging: echo: remove typedefs

Remove typedefs in drivers/staging/echo

Signed-off by: J.R. Mauro <jrm8005@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/echo/TODO

 TODO:
 	- checkpatch.pl cleanups
 	- Lindent
-	- typedef removals
 	- handle bit_operations.h (merge in or make part of common code?)
 	- remove proc interface, only use echo.h interface (proc interface is
 	  racy and not correct.)

drivers/staging/echo/echo.h

@@ -149,8 +149,8 @@ struct oslec_state {
 	int Lbgn, Lbgn_acc, Lbgn_upper, Lbgn_upper_acc;
 
 	/* foreground and background filter states */
-	fir16_state_t fir_state;
-	fir16_state_t fir_state_bg;
+	struct fir16_state_t fir_state;
+	struct fir16_state_t fir_state_bg;
 	int16_t *fir_taps16[2];
 
 	/* DC blocking filter states */

drivers/staging/echo/fir.h

@@ -72,37 +72,37 @@
     16 bit integer FIR descriptor. This defines the working state for a single
     instance of an FIR filter using 16 bit integer coefficients.
 */
-typedef struct {
+struct fir16_state_t {
 	int taps;
 	int curr_pos;
 	const int16_t *coeffs;
 	int16_t *history;
-} fir16_state_t;
+};
 
 /*!
     32 bit integer FIR descriptor. This defines the working state for a single
     instance of an FIR filter using 32 bit integer coefficients, and filtering
     16 bit integer data.
 */
-typedef struct {
+struct fir32_state_t {
 	int taps;
 	int curr_pos;
 	const int32_t *coeffs;
 	int16_t *history;
-} fir32_state_t;
+};
 
 /*!
     Floating point FIR descriptor. This defines the working state for a single
     instance of an FIR filter using floating point coefficients and data.
 */
-typedef struct {
+struct fir_float_state_t {
 	int taps;
 	int curr_pos;
 	const float *coeffs;
 	float *history;
-} fir_float_state_t;
+};
 
-static __inline__ const int16_t *fir16_create(fir16_state_t * fir,
+static __inline__ const int16_t *fir16_create(struct fir16_state_t * fir,
 					      const int16_t * coeffs, int taps)
 {
 	fir->taps = taps;
@@ -116,7 +116,7 @@ static __inline__ const int16_t *fir16_create(fir16_state_t * fir,
 	return fir->history;
 }
 
-static __inline__ void fir16_flush(fir16_state_t * fir)
+static __inline__ void fir16_flush(struct fir16_state_t * fir)
 {
 #if defined(USE_MMX)  ||  defined(USE_SSE2) || defined(__bfin__)
 	memset(fir->history, 0, 2 * fir->taps * sizeof(int16_t));
@@ -125,7 +125,7 @@ static __inline__ void fir16_flush(fir16_state_t * fir)
 #endif
 }
 
-static __inline__ void fir16_free(fir16_state_t * fir)
+static __inline__ void fir16_free(struct fir16_state_t * fir)
 {
 	kfree(fir->history);
 }
@@ -157,19 +157,19 @@ static inline int32_t dot_asm(short *x, short *y, int len)
 }
 #endif
 
-static __inline__ int16_t fir16(fir16_state_t * fir, int16_t sample)
+static __inline__ int16_t fir16(struct fir16_state_t * fir, int16_t sample)
 {
 	int32_t y;
 #if defined(USE_MMX)
 	int i;
-	mmx_t *mmx_coeffs;
-	mmx_t *mmx_hist;
+	union mmx_t *mmx_coeffs;
+	union mmx_t *mmx_hist;
 
 	fir->history[fir->curr_pos] = sample;
 	fir->history[fir->curr_pos + fir->taps] = sample;
 
-	mmx_coeffs = (mmx_t *) fir->coeffs;
-	mmx_hist = (mmx_t *) & fir->history[fir->curr_pos];
+	mmx_coeffs = (union mmx_t *) fir->coeffs;
+	mmx_hist = (union mmx_t *) & fir->history[fir->curr_pos];
 	i = fir->taps;
 	pxor_r2r(mm4, mm4);
 	/* 8 samples per iteration, so the filter must be a multiple of 8 long. */
@@ -193,14 +193,14 @@ static __inline__ int16_t fir16(fir16_state_t * fir, int16_t sample)
 	emms();
 #elif defined(USE_SSE2)
 	int i;
-	xmm_t *xmm_coeffs;
-	xmm_t *xmm_hist;
+	union xmm_t *xmm_coeffs;
+	union xmm_t *xmm_hist;
 
 	fir->history[fir->curr_pos] = sample;
 	fir->history[fir->curr_pos + fir->taps] = sample;
 
-	xmm_coeffs = (xmm_t *) fir->coeffs;
-	xmm_hist = (xmm_t *) & fir->history[fir->curr_pos];
+	xmm_coeffs = (union xmm_t *) fir->coeffs;
+	xmm_hist = (union xmm_t *) & fir->history[fir->curr_pos];
 	i = fir->taps;
 	pxor_r2r(xmm4, xmm4);
 	/* 16 samples per iteration, so the filter must be a multiple of 16 long. */
@@ -250,7 +250,7 @@ static __inline__ int16_t fir16(fir16_state_t * fir, int16_t sample)
 	return (int16_t) (y >> 15);
 }
 
-static __inline__ const int16_t *fir32_create(fir32_state_t * fir,
+static __inline__ const int16_t *fir32_create(struct fir32_state_t * fir,
 					      const int32_t * coeffs, int taps)
 {
 	fir->taps = taps;
@@ -260,17 +260,17 @@ static __inline__ const int16_t *fir32_create(fir32_state_t * fir,
 	return fir->history;
 }
 
-static __inline__ void fir32_flush(fir32_state_t * fir)
+static __inline__ void fir32_flush(struct fir32_state_t * fir)
 {
 	memset(fir->history, 0, fir->taps * sizeof(int16_t));
 }
 
-static __inline__ void fir32_free(fir32_state_t * fir)
+static __inline__ void fir32_free(struct fir32_state_t * fir)
 {
 	kfree(fir->history);
 }
 
-static __inline__ int16_t fir32(fir32_state_t * fir, int16_t sample)
+static __inline__ int16_t fir32(struct fir32_state_t * fir, int16_t sample)
 {
 	int i;
 	int32_t y;

drivers/staging/echo/mmx.h

@@ -27,7 +27,7 @@
  * values by ULL, lest they be truncated by the compiler)
  */
 
-typedef union {
+union mmx_t {
 	long long q;		/* Quadword (64-bit) value */
 	unsigned long long uq;	/* Unsigned Quadword */
 	int d[2];		/* 2 Doubleword (32-bit) values */
@@ -37,12 +37,12 @@ typedef union {
 	char b[8];		/* 8 Byte (8-bit) values */
 	unsigned char ub[8];	/* 8 Unsigned Byte */
 	float s[2];		/* Single-precision (32-bit) value */
-} mmx_t;			/* On an 8-byte (64-bit) boundary */
+};			/* On an 8-byte (64-bit) boundary */
 
 /* SSE registers */
-typedef union {
+union xmm_t {
 	char b[16];
-} xmm_t;
+};
 
 #define         mmx_i2r(op,imm,reg) \
         __asm__ __volatile__ (#op " %0, %%" #reg \