V4L/DVB (7087): tuner-simple: whitespace / comments / codingstyle cleanups
authorMichael Krufky <mkrufky@linuxtv.org>
Tue, 22 Apr 2008 17:41:44 +0000 (14:41 -0300)
committerMauro Carvalho Chehab <mchehab@infradead.org>
Thu, 24 Apr 2008 16:42:14 +0000 (13:42 -0300)
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
drivers/media/video/tuner-simple.c

index c1db576696c6d34288e2b4cc6a596c4e730f9dc9..770d6281c1545ebe4333556bc6ae9e602645b899 100644 (file)
 #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");