V4L/DVB (7087): tuner-simple: whitespace / comments / codingstyle cleanups

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

drivers/media/video/tuner-simple.c

@@ -13,15 +13,15 @@
 #include "tuner-i2c.h"
 #include "tuner-simple.h"
 
-static int debug = 0;
+static int debug;
 module_param(debug, int, 0644);
 MODULE_PARM_DESC(debug, "enable verbose debug messages");
 
 #define PREFIX "tuner-simple"
 
-static int offset = 0;
+static int offset;
 module_param(offset, int, 0664);
-MODULE_PARM_DESC(offset,"Allows to specify an offset for tuner");
+MODULE_PARM_DESC(offset, "Allows to specify an offset for tuner");
 
 /* ---------------------------------------------------------------------- */
 
@@ -36,8 +36,8 @@ MODULE_PARM_DESC(offset,"Allows to specify an offset for tuner");
  */
 #define TEMIC_SET_PAL_I         0x05
 #define TEMIC_SET_PAL_DK        0x09
-#define TEMIC_SET_PAL_L         0x0a // SECAM ?
-#define TEMIC_SET_PAL_L2        0x0b // change IF !
+#define TEMIC_SET_PAL_L         0x0a /* SECAM ? */
+#define TEMIC_SET_PAL_L2        0x0b /* change IF ! */
 #define TEMIC_SET_PAL_BG        0x0c
 
 /* tv tuner system standard selection for Philips FQ1216ME
@@ -107,7 +107,7 @@ static int tuner_read_status(struct dvb_frontend *fe)
 	struct tuner_simple_priv *priv = fe->tuner_priv;
 	unsigned char byte;
 
-	if (1 != tuner_i2c_xfer_recv(&priv->i2c_props,&byte,1))
+	if (1 != tuner_i2c_xfer_recv(&priv->i2c_props, &byte, 1))
 		return 0;
 
 	return byte;
@@ -121,13 +121,13 @@ static inline int tuner_signal(const int status)
 static inline int tuner_stereo(const int type, const int status)
 {
 	switch (type) {
-		case TUNER_PHILIPS_FM1216ME_MK3:
-		case TUNER_PHILIPS_FM1236_MK3:
-		case TUNER_PHILIPS_FM1256_IH3:
-		case TUNER_LG_NTSC_TAPE:
-			return ((status & TUNER_SIGNAL) == TUNER_STEREO_MK3);
-		default:
-			return status & TUNER_STEREO;
+	case TUNER_PHILIPS_FM1216ME_MK3:
+	case TUNER_PHILIPS_FM1236_MK3:
+	case TUNER_PHILIPS_FM1256_IH3:
+	case TUNER_LG_NTSC_TAPE:
+		return ((status & TUNER_SIGNAL) == TUNER_STEREO_MK3);
+	default:
+		return status & TUNER_STEREO;
 	}
 }
 
@@ -219,9 +219,9 @@ static int simple_set_tv_freq(struct dvb_frontend *fe,
 			continue;
 		break;
 	}
-	/* use default tuner_t_params if desired_type not available */
+	/* use default tuner params if desired_type not available */
 	if (desired_type != tun->params[j].type) {
-		tuner_dbg("IFPCoff = %d: tuner_t_params undefined for tuner %d\n",
+		tuner_dbg("IFPCoff = %d: params undefined for tuner %d\n",
 			  IFPCoff, priv->type);
 		j = 0;
 	}
@@ -234,7 +234,7 @@ static int simple_set_tv_freq(struct dvb_frontend *fe,
 	}
 	if (i == t_params->count) {
 		tuner_dbg("TV frequency out of range (%d > %d)",
-				params->frequency, t_params->ranges[i - 1].limit);
+			  params->frequency, t_params->ranges[i - 1].limit);
 		params->frequency = t_params->ranges[--i].limit;
 	}
 	config = t_params->ranges[i].config;
@@ -242,24 +242,25 @@ static int simple_set_tv_freq(struct dvb_frontend *fe,
 	/*  i == 0 -> VHF_LO
 	 *  i == 1 -> VHF_HI
 	 *  i == 2 -> UHF     */
-	tuner_dbg("tv: param %d, range %d\n",j,i);
+	tuner_dbg("tv: param %d, range %d\n", j, i);
 
-	div=params->frequency + IFPCoff + offset;
+	div = params->frequency + IFPCoff + offset;
 
-	tuner_dbg("Freq= %d.%02d MHz, V_IF=%d.%02d MHz, Offset=%d.%02d MHz, div=%0d\n",
-					params->frequency / 16, params->frequency % 16 * 100 / 16,
-					IFPCoff / 16, IFPCoff % 16 * 100 / 16,
-					offset / 16, offset % 16 * 100 / 16,
-					div);
+	tuner_dbg("Freq= %d.%02d MHz, V_IF=%d.%02d MHz, "
+		  "Offset=%d.%02d MHz, div=%0d\n",
+		  params->frequency / 16, params->frequency % 16 * 100 / 16,
+		  IFPCoff / 16, IFPCoff % 16 * 100 / 16,
+		  offset / 16, offset % 16 * 100 / 16, div);
 
 	/* tv norm specific stuff for multi-norm tuners */
 	switch (priv->type) {
-	case TUNER_PHILIPS_SECAM: // FI1216MF
+	case TUNER_PHILIPS_SECAM: /* FI1216MF */
 		/* 0x01 -> ??? no change ??? */
 		/* 0x02 -> PAL BDGHI / SECAM L */
 		/* 0x04 -> ??? PAL others / SECAM others ??? */
 		cb &= ~0x03;
-		if (params->std & V4L2_STD_SECAM_L) //also valid for V4L2_STD_SECAM
+		if (params->std & V4L2_STD_SECAM_L)
+			/* also valid for V4L2_STD_SECAM */
 			cb |= PHILIPS_MF_SET_STD_L;
 		else if (params->std & V4L2_STD_SECAM_LC)
 			cb |= PHILIPS_MF_SET_STD_LC;
@@ -333,10 +334,14 @@ static int simple_set_tv_freq(struct dvb_frontend *fe,
 		/* set to the correct mode (analog or digital) */
 		tuneraddr = priv->i2c_props.addr;
 		priv->i2c_props.addr = 0x0a;
-		if (2 != (rc = tuner_i2c_xfer_send(&priv->i2c_props,&buffer[0],2)))
-			tuner_warn("i2c i/o error: rc == %d (should be 2)\n",rc);
-		if (2 != (rc = tuner_i2c_xfer_send(&priv->i2c_props,&buffer[2],2)))
-			tuner_warn("i2c i/o error: rc == %d (should be 2)\n",rc);
+		rc = tuner_i2c_xfer_send(&priv->i2c_props, &buffer[0], 2);
+		if (2 != rc)
+			tuner_warn("i2c i/o error: rc == %d "
+				   "(should be 2)\n", rc);
+		rc = tuner_i2c_xfer_send(&priv->i2c_props, &buffer[2], 2);
+		if (2 != rc)
+			tuner_warn("i2c i/o error: rc == %d "
+				   "(should be 2)\n", rc);
 		priv->i2c_props.addr = tuneraddr;
 		/* FIXME: input */
 		break;
@@ -357,8 +362,10 @@ static int simple_set_tv_freq(struct dvb_frontend *fe,
 	if (t_params->has_tda9887) {
 		struct v4l2_priv_tun_config tda9887_cfg;
 		int config = 0;
-		int is_secam_l = (params->std & (V4L2_STD_SECAM_L | V4L2_STD_SECAM_LC)) &&
-			!(params->std & ~(V4L2_STD_SECAM_L | V4L2_STD_SECAM_LC));
+		int is_secam_l = (params->std & (V4L2_STD_SECAM_L |
+						 V4L2_STD_SECAM_LC)) &&
+			!(params->std & ~(V4L2_STD_SECAM_L |
+					  V4L2_STD_SECAM_LC));
 
 		tda9887_cfg.tuner = TUNER_TDA9887;
 		tda9887_cfg.priv  = &config;
@@ -368,8 +375,7 @@ static int simple_set_tv_freq(struct dvb_frontend *fe,
 				config |= TDA9887_PORT1_ACTIVE;
 			if (t_params->port2_active ^ t_params->port2_invert_for_secam_lc)
 				config |= TDA9887_PORT2_ACTIVE;
-		}
-		else {
+		} else {
 			if (t_params->port1_active)
 				config |= TDA9887_PORT1_ACTIVE;
 			if (t_params->port2_active)
@@ -384,8 +390,7 @@ static int simple_set_tv_freq(struct dvb_frontend *fe,
 				config |= TDA9887_TOP(t_params->default_top_secam_mid);
 			else if (t_params->default_top_secam_high)
 				config |= TDA9887_TOP(t_params->default_top_secam_high);
-		}
-		else {
+		} else {
 			if (i == 0 && t_params->default_top_low)
 				config |= TDA9887_TOP(t_params->default_top_low);
 			else if (i == 1 && t_params->default_top_mid)
@@ -399,10 +404,11 @@ static int simple_set_tv_freq(struct dvb_frontend *fe,
 				    &tda9887_cfg);
 	}
 	tuner_dbg("tv 0x%02x 0x%02x 0x%02x 0x%02x\n",
-		  buffer[0],buffer[1],buffer[2],buffer[3]);
+		  buffer[0], buffer[1], buffer[2], buffer[3]);
 
-	if (4 != (rc = tuner_i2c_xfer_send(&priv->i2c_props,buffer,4)))
-		tuner_warn("i2c i/o error: rc == %d (should be 4)\n",rc);
+	rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 4);
+	if (4 != rc)
+		tuner_warn("i2c i/o error: rc == %d (should be 4)\n", rc);
 
 	switch (priv->type) {
 	case TUNER_LG_TDVS_H06XF:
@@ -411,23 +417,28 @@ static int simple_set_tv_freq(struct dvb_frontend *fe,
 		buffer[0] &= ~0x20;
 		buffer[0] |= 0x18;
 		buffer[1] = 0x20;
-		tuner_dbg("tv 0x%02x 0x%02x\n",buffer[0],buffer[1]);
+		tuner_dbg("tv 0x%02x 0x%02x\n", buffer[0], buffer[1]);
 
-		if (2 != (rc = tuner_i2c_xfer_send(&priv->i2c_props,buffer,2)))
-			tuner_warn("i2c i/o error: rc == %d (should be 2)\n",rc);
+		rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 2);
+		if (2 != rc)
+			tuner_warn("i2c i/o error: rc == %d "
+				   "(should be 2)\n", rc);
 		break;
 	case TUNER_MICROTUNE_4042FI5:
 	{
-		// FIXME - this may also work for other tuners
+		/* FIXME - this may also work for other tuners */
 		unsigned long timeout = jiffies + msecs_to_jiffies(1);
 		u8 status_byte = 0;
 
 		/* Wait until the PLL locks */
 		for (;;) {
-			if (time_after(jiffies,timeout))
+			if (time_after(jiffies, timeout))
 				return 0;
-			if (1 != (rc = tuner_i2c_xfer_recv(&priv->i2c_props,&status_byte,1))) {
-				tuner_warn("i2c i/o read error: rc == %d (should be 1)\n",rc);
+			rc = tuner_i2c_xfer_recv(&priv->i2c_props,
+						 &status_byte, 1);
+			if (1 != rc) {
+				tuner_warn("i2c i/o read error: rc == %d "
+					   "(should be 1)\n", rc);
 				break;
 			}
 			if (status_byte & TUNER_PLL_LOCKED)
@@ -442,10 +453,12 @@ static int simple_set_tv_freq(struct dvb_frontend *fe,
 		buffer[2] = config;
 		buffer[3] = cb;
 		tuner_dbg("tv 0x%02x 0x%02x 0x%02x 0x%02x\n",
-			  buffer[0],buffer[1],buffer[2],buffer[3]);
+			  buffer[0], buffer[1], buffer[2], buffer[3]);
 
-		if (4 != (rc = tuner_i2c_xfer_send(&priv->i2c_props,buffer,4)))
-			tuner_warn("i2c i/o error: rc == %d (should be 4)\n",rc);
+		rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 4);
+		if (4 != rc)
+			tuner_warn("i2c i/o error: rc == %d "
+				   "(should be 4)\n", rc);
 		break;
 	}
 	}
@@ -483,7 +496,8 @@ static int simple_set_radio_freq(struct dvb_frontend *fe,
 		freq += (unsigned int)(41.3*16000);
 		break;
 	default:
-		tuner_warn("Unsupported radio_if value %d\n", t_params->radio_if);
+		tuner_warn("Unsupported radio_if value %d\n",
+			   t_params->radio_if);
 		return 0;
 	}
 
@@ -491,7 +505,8 @@ static int simple_set_radio_freq(struct dvb_frontend *fe,
 	switch (priv->type) {
 	case TUNER_TENA_9533_DI:
 	case TUNER_YMEC_TVF_5533MF:
-		tuner_dbg("This tuner doesn't have FM. Most cards have a TEA5767 for FM\n");
+		tuner_dbg("This tuner doesn't have FM. "
+			  "Most cards have a TEA5767 for FM\n");
 		return 0;
 	case TUNER_PHILIPS_FM1216ME_MK3:
 	case TUNER_PHILIPS_FM1236_MK3:
@@ -534,7 +549,7 @@ static int simple_set_radio_freq(struct dvb_frontend *fe,
 	}
 
 	tuner_dbg("radio 0x%02x 0x%02x 0x%02x 0x%02x\n",
-	       buffer[0],buffer[1],buffer[2],buffer[3]);
+	       buffer[0], buffer[1], buffer[2], buffer[3]);
 	priv->last_div = div;
 
 	if (t_params->has_tda9887) {
@@ -544,9 +559,11 @@ static int simple_set_radio_freq(struct dvb_frontend *fe,
 		tda9887_cfg.tuner = TUNER_TDA9887;
 		tda9887_cfg.priv = &config;
 
-		if (t_params->port1_active && !t_params->port1_fm_high_sensitivity)
+		if (t_params->port1_active &&
+		    !t_params->port1_fm_high_sensitivity)
 			config |= TDA9887_PORT1_ACTIVE;
-		if (t_params->port2_active && !t_params->port2_fm_high_sensitivity)
+		if (t_params->port2_active &&
+		    !t_params->port2_fm_high_sensitivity)
 			config |= TDA9887_PORT2_ACTIVE;
 		if (t_params->intercarrier_mode)
 			config |= TDA9887_INTERCARRIER;
@@ -557,10 +574,11 @@ static int simple_set_radio_freq(struct dvb_frontend *fe,
 		if (t_params->radio_if == 2)
 			config |= TDA9887_RIF_41_3;
 		i2c_clients_command(priv->i2c_props.adap, TUNER_SET_CONFIG,
-					&tda9887_cfg);
+				    &tda9887_cfg);
 	}
-	if (4 != (rc = tuner_i2c_xfer_send(&priv->i2c_props,buffer,4)))
-		tuner_warn("i2c i/o error: rc == %d (should be 4)\n",rc);
+	rc = tuner_i2c_xfer_send(&priv->i2c_props, buffer, 4);
+	if (4 != rc)
+		tuner_warn("i2c i/o error: rc == %d (should be 4)\n", rc);
 
 	return 0;
 }
@@ -627,16 +645,16 @@ struct dvb_frontend *simple_tuner_attach(struct dvb_frontend *fe,
 	priv->type = cfg->type;
 	priv->tun  = cfg->tun;
 
-	memcpy(&fe->ops.tuner_ops, &simple_tuner_ops, sizeof(struct dvb_tuner_ops));
+	memcpy(&fe->ops.tuner_ops, &simple_tuner_ops,
+	       sizeof(struct dvb_tuner_ops));
 
 	tuner_info("type set to %d (%s)\n", cfg->type, cfg->tun->name);
 
-	strlcpy(fe->ops.tuner_ops.info.name, cfg->tun->name, sizeof(fe->ops.tuner_ops.info.name));
+	strlcpy(fe->ops.tuner_ops.info.name, cfg->tun->name,
+		sizeof(fe->ops.tuner_ops.info.name));
 
 	return fe;
 }
-
-
 EXPORT_SYMBOL_GPL(simple_tuner_attach);
 
 MODULE_DESCRIPTION("Simple 4-control-bytes style tuner driver");