]> pilppa.com Git - linux-2.6-omap-h63xx.git/commitdiff
V4L/DVB (9256): cx22702: Checkpatch compliance
authorSteven Toth <stoth@linuxtv.org>
Thu, 16 Oct 2008 23:23:45 +0000 (20:23 -0300)
committerMauro Carvalho Chehab <mchehab@redhat.com>
Fri, 17 Oct 2008 20:27:42 +0000 (17:27 -0300)
cx22702: Checkpatch compliance

Signed-off-by: Steven Toth <stoth@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
drivers/media/dvb/frontends/cx22702.c
drivers/media/dvb/frontends/cx22702.h

index 9430e03dba6c3fef4b744e28d7930b8ca0df09dd..5d1abe34bddb5cfc17694a7459877aaf0cbb86f7 100644 (file)
 #include "dvb_frontend.h"
 #include "cx22702.h"
 
-
 struct cx22702_state {
 
-       struct i2c_adapteri2c;
+       struct i2c_adapter *i2c;
 
        /* configuration settings */
-       const struct cx22702_configconfig;
+       const struct cx22702_config *config;
 
        struct dvb_frontend frontend;
 
@@ -49,10 +48,13 @@ struct cx22702_state {
 };
 
 static int debug;
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "Enable verbose debug messages");
+
 #define dprintk        if (debug) printk
 
 /* Register values to initialise the demod */
-static u8 init_tab [] = {
+static u8 init_tab[] = {
        0x00, 0x00, /* Stop aquisition */
        0x0B, 0x06,
        0x09, 0x01,
@@ -80,65 +82,67 @@ static u8 init_tab [] = {
        0xfd, 0x00,
 };
 
-static int cx22702_writereg (struct cx22702_state* state, u8 reg, u8 data)
+static int cx22702_writereg(struct cx22702_state *state, u8 reg, u8 data)
 {
        int ret;
-       u8 buf [] = { reg, data };
-       struct i2c_msg msg = { .addr = state->config->demod_address, .flags = 0, .buf = buf, .len = 2 };
+       u8 buf[] = { reg, data };
+       struct i2c_msg msg = {
+               .addr = state->config->demod_address, .flags = 0,
+                       .buf = buf, .len = 2 };
 
        ret = i2c_transfer(state->i2c, &msg, 1);
 
        if (ret != 1)
-               printk("%s: writereg error (reg == 0x%02x, val == 0x%02x, ret == %i)\n",
+               printk(KERN_ERR
+                       "%s: error (reg == 0x%02x, val == 0x%02x, ret == %i)\n",
                        __func__, reg, data, ret);
 
        return (ret != 1) ? -1 : 0;
 }
 
-static u8 cx22702_readreg (struct cx22702_state* state, u8 reg)
+static u8 cx22702_readreg(struct cx22702_state *state, u8 reg)
 {
        int ret;
-       u8 b0 [] = { reg };
-       u8 b1 [] = { 0 };
+       u8 b0[] = { reg };
+       u8 b1[] = { 0 };
 
-       struct i2c_msg msg [] = {
-               { .addr = state->config->demod_address, .flags = 0, .buf = b0, .len = 1 },
-               { .addr = state->config->demod_address, .flags = I2C_M_RD, .buf = b1, .len = 1 } };
+       struct i2c_msg msg[] = {
+               { .addr = state->config->demod_address, .flags = 0,
+                       .buf = b0, .len = 1 },
+               { .addr = state->config->demod_address, .flags = I2C_M_RD,
+                       .buf = b1, .len = 1 } };
 
        ret = i2c_transfer(state->i2c, msg, 2);
 
        if (ret != 2)
-               printk("%s: readreg error (ret == %i)\n", __func__, ret);
+               printk(KERN_ERR "%s: readreg error (ret == %i)\n",
+                       __func__, ret);
 
        return b1[0];
 }
 
-static int cx22702_set_inversion (struct cx22702_state *state, int inversion)
+static int cx22702_set_inversion(struct cx22702_state *state, int inversion)
 {
        u8 val;
 
        switch (inversion) {
-
-               case INVERSION_AUTO:
-                       return -EOPNOTSUPP;
-
-               case INVERSION_ON:
-                       val = cx22702_readreg (state, 0x0C);
-                       return cx22702_writereg (state, 0x0C, val | 0x01);
-
-               case INVERSION_OFF:
-                       val = cx22702_readreg (state, 0x0C);
-                       return cx22702_writereg (state, 0x0C, val & 0xfe);
-
-               default:
-                       return -EINVAL;
-
+       case INVERSION_AUTO:
+               return -EOPNOTSUPP;
+       case INVERSION_ON:
+               val = cx22702_readreg(state, 0x0C);
+               return cx22702_writereg(state, 0x0C, val | 0x01);
+       case INVERSION_OFF:
+               val = cx22702_readreg(state, 0x0C);
+               return cx22702_writereg(state, 0x0C, val & 0xfe);
+       default:
+               return -EINVAL;
        }
 
 }
 
 /* Retrieve the demod settings */
-static int cx22702_get_tps (struct cx22702_state *state, struct dvb_ofdm_parameters *p)
+static int cx22702_get_tps(struct cx22702_state *state,
+       struct dvb_ofdm_parameters *p)
 {
        u8 val;
 
@@ -146,180 +150,281 @@ static int cx22702_get_tps (struct cx22702_state *state, struct dvb_ofdm_paramet
        if (!(cx22702_readreg(state, 0x0A) & 0x20))
                return -EAGAIN;
 
-       val = cx22702_readreg (state, 0x01);
-       switch( (val&0x18)>>3) {
-               case 0: p->constellation =   QPSK; break;
-               case 1: p->constellation = QAM_16; break;
-               case 2: p->constellation = QAM_64; break;
+       val = cx22702_readreg(state, 0x01);
+       switch ((val & 0x18) >> 3) {
+       case 0:
+               p->constellation = QPSK;
+               break;
+       case 1:
+               p->constellation = QAM_16;
+               break;
+       case 2:
+               p->constellation = QAM_64;
+               break;
        }
-       switch( val&0x07 ) {
-               case 0: p->hierarchy_information = HIERARCHY_NONE; break;
-               case 1: p->hierarchy_information =    HIERARCHY_1; break;
-               case 2: p->hierarchy_information =    HIERARCHY_2; break;
-               case 3: p->hierarchy_information =    HIERARCHY_4; break;
+       switch (val & 0x07) {
+       case 0:
+               p->hierarchy_information = HIERARCHY_NONE;
+               break;
+       case 1:
+               p->hierarchy_information = HIERARCHY_1;
+               break;
+       case 2:
+               p->hierarchy_information = HIERARCHY_2;
+               break;
+       case 3:
+               p->hierarchy_information = HIERARCHY_4;
+               break;
        }
 
 
-       val = cx22702_readreg (state, 0x02);
-       switch( (val&0x38)>>3 ) {
-               case 0: p->code_rate_HP = FEC_1_2; break;
-               case 1: p->code_rate_HP = FEC_2_3; break;
-               case 2: p->code_rate_HP = FEC_3_4; break;
-               case 3: p->code_rate_HP = FEC_5_6; break;
-               case 4: p->code_rate_HP = FEC_7_8; break;
+       val = cx22702_readreg(state, 0x02);
+       switch ((val & 0x38) >> 3) {
+       case 0:
+               p->code_rate_HP = FEC_1_2;
+               break;
+       case 1:
+               p->code_rate_HP = FEC_2_3;
+               break;
+       case 2:
+               p->code_rate_HP = FEC_3_4;
+               break;
+       case 3:
+               p->code_rate_HP = FEC_5_6;
+               break;
+       case 4:
+               p->code_rate_HP = FEC_7_8;
+               break;
        }
-       switch( val&0x07 ) {
-               case 0: p->code_rate_LP = FEC_1_2; break;
-               case 1: p->code_rate_LP = FEC_2_3; break;
-               case 2: p->code_rate_LP = FEC_3_4; break;
-               case 3: p->code_rate_LP = FEC_5_6; break;
-               case 4: p->code_rate_LP = FEC_7_8; break;
+       switch (val & 0x07) {
+       case 0:
+               p->code_rate_LP = FEC_1_2;
+               break;
+       case 1:
+               p->code_rate_LP = FEC_2_3;
+               break;
+       case 2:
+               p->code_rate_LP = FEC_3_4;
+               break;
+       case 3:
+               p->code_rate_LP = FEC_5_6;
+               break;
+       case 4:
+               p->code_rate_LP = FEC_7_8;
+               break;
        }
 
-
-       val = cx22702_readreg (state, 0x03);
-       switch( (val&0x0c)>>2 ) {
-               case 0: p->guard_interval = GUARD_INTERVAL_1_32; break;
-               case 1: p->guard_interval = GUARD_INTERVAL_1_16; break;
-               case 2: p->guard_interval =  GUARD_INTERVAL_1_8; break;
-               case 3: p->guard_interval =  GUARD_INTERVAL_1_4; break;
+       val = cx22702_readreg(state, 0x03);
+       switch ((val & 0x0c) >> 2) {
+       case 0:
+               p->guard_interval = GUARD_INTERVAL_1_32;
+               break;
+       case 1:
+               p->guard_interval = GUARD_INTERVAL_1_16;
+               break;
+       case 2:
+               p->guard_interval = GUARD_INTERVAL_1_8;
+               break;
+       case 3:
+               p->guard_interval = GUARD_INTERVAL_1_4;
+               break;
        }
-       switch( val&0x03 ) {
-               case 0: p->transmission_mode = TRANSMISSION_MODE_2K; break;
-               case 1: p->transmission_mode = TRANSMISSION_MODE_8K; break;
+       switch (val & 0x03) {
+       case 0:
+               p->transmission_mode = TRANSMISSION_MODE_2K;
+               break;
+       case 1:
+               p->transmission_mode = TRANSMISSION_MODE_8K;
+               break;
        }
 
        return 0;
 }
 
-static int cx22702_i2c_gate_ctrl(struct dvb_frontendfe, int enable)
+static int cx22702_i2c_gate_ctrl(struct dvb_frontend *fe, int enable)
 {
-       struct cx22702_statestate = fe->demodulator_priv;
-       dprintk ("%s(%d)\n", __func__, enable);
+       struct cx22702_state *state = fe->demodulator_priv;
+       dprintk("%s(%d)\n", __func__, enable);
        if (enable)
-               return cx22702_writereg (state, 0x0D, cx22702_readreg(state, 0x0D) & 0xfe);
+               return cx22702_writereg(state, 0x0D,
+                       cx22702_readreg(state, 0x0D) & 0xfe);
        else
-               return cx22702_writereg (state, 0x0D, cx22702_readreg(state, 0x0D) | 1);
+               return cx22702_writereg(state, 0x0D,
+                       cx22702_readreg(state, 0x0D) | 1);
 }
 
 /* Talk to the demod, set the FEC, GUARD, QAM settings etc */
-static int cx22702_set_tps (struct dvb_frontend* fe, struct dvb_frontend_parameters *p)
+static int cx22702_set_tps(struct dvb_frontend *fe,
+       struct dvb_frontend_parameters *p)
 {
        u8 val;
-       struct cx22702_statestate = fe->demodulator_priv;
+       struct cx22702_state *state = fe->demodulator_priv;
 
        if (fe->ops.tuner_ops.set_params) {
                fe->ops.tuner_ops.set_params(fe, p);
-               if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 0);
+               if (fe->ops.i2c_gate_ctrl)
+                       fe->ops.i2c_gate_ctrl(fe, 0);
        }
 
        /* set inversion */
-       cx22702_set_inversion (state, p->inversion);
+       cx22702_set_inversion(state, p->inversion);
 
        /* set bandwidth */
-       switch(p->u.ofdm.bandwidth) {
+       switch (p->u.ofdm.bandwidth) {
        case BANDWIDTH_6_MHZ:
-               cx22702_writereg(state, 0x0C, (cx22702_readreg(state, 0x0C) & 0xcf) | 0x20 );
+               cx22702_writereg(state, 0x0C,
+                       (cx22702_readreg(state, 0x0C) & 0xcf) | 0x20);
                break;
        case BANDWIDTH_7_MHZ:
-               cx22702_writereg(state, 0x0C, (cx22702_readreg(state, 0x0C) & 0xcf) | 0x10 );
+               cx22702_writereg(state, 0x0C,
+                       (cx22702_readreg(state, 0x0C) & 0xcf) | 0x10);
                break;
        case BANDWIDTH_8_MHZ:
-               cx22702_writereg(state, 0x0C, cx22702_readreg(state, 0x0C) &0xcf );
+               cx22702_writereg(state, 0x0C,
+                       cx22702_readreg(state, 0x0C) & 0xcf);
                break;
        default:
-               dprintk ("%s: invalid bandwidth\n",__func__);
+               dprintk("%s: invalid bandwidth\n", __func__);
                return -EINVAL;
        }
 
-
-       p->u.ofdm.code_rate_LP = FEC_AUTO; //temp hack as manual not working
+       p->u.ofdm.code_rate_LP = FEC_AUTO; /* temp hack as manual not working */
 
        /* use auto configuration? */
-       if((p->u.ofdm.hierarchy_information==HIERARCHY_AUTO) ||
-          (p->u.ofdm.constellation==QAM_AUTO) ||
-          (p->u.ofdm.code_rate_HP==FEC_AUTO) ||
-          (p->u.ofdm.code_rate_LP==FEC_AUTO) ||
-          (p->u.ofdm.guard_interval==GUARD_INTERVAL_AUTO) ||
-          (p->u.ofdm.transmission_mode==TRANSMISSION_MODE_AUTO) ) {
+       if ((p->u.ofdm.hierarchy_information == HIERARCHY_AUTO) ||
+          (p->u.ofdm.constellation == QAM_AUTO) ||
+          (p->u.ofdm.code_rate_HP == FEC_AUTO) ||
+          (p->u.ofdm.code_rate_LP == FEC_AUTO) ||
+          (p->u.ofdm.guard_interval == GUARD_INTERVAL_AUTO) ||
+          (p->u.ofdm.transmission_mode == TRANSMISSION_MODE_AUTO)) {
 
                /* TPS Source - use hardware driven values */
                cx22702_writereg(state, 0x06, 0x10);
                cx22702_writereg(state, 0x07, 0x9);
                cx22702_writereg(state, 0x08, 0xC1);
-               cx22702_writereg(state, 0x0B, cx22702_readreg(state, 0x0B) & 0xfc );
-               cx22702_writereg(state, 0x0C, (cx22702_readreg(state, 0x0C) & 0xBF) | 0x40 );
+               cx22702_writereg(state, 0x0B, cx22702_readreg(state, 0x0B)
+                       & 0xfc);
+               cx22702_writereg(state, 0x0C,
+                       (cx22702_readreg(state, 0x0C) & 0xBF) | 0x40);
                cx22702_writereg(state, 0x00, 0x01); /* Begin aquisition */
-               dprintk("%s: Autodetecting\n",__func__);
+               dprintk("%s: Autodetecting\n", __func__);
                return 0;
        }
 
        /* manually programmed values */
-       val=0;
-       switch(p->u.ofdm.constellation) {
-               case   QPSK: val = (val&0xe7); break;
-               case QAM_16: val = (val&0xe7)|0x08; break;
-               case QAM_64: val = (val&0xe7)|0x10; break;
-               default:
-                       dprintk ("%s: invalid constellation\n",__func__);
-                       return -EINVAL;
+       val = 0;
+       switch (p->u.ofdm.constellation) {
+       case QPSK:
+               val = (val & 0xe7);
+               break;
+       case QAM_16:
+               val = (val & 0xe7) | 0x08;
+               break;
+       case QAM_64:
+               val = (val & 0xe7) | 0x10;
+               break;
+       default:
+               dprintk("%s: invalid constellation\n", __func__);
+               return -EINVAL;
        }
-       switch(p->u.ofdm.hierarchy_information) {
-               case HIERARCHY_NONE: val = (val&0xf8); break;
-               case    HIERARCHY_1: val = (val&0xf8)|1; break;
-               case    HIERARCHY_2: val = (val&0xf8)|2; break;
-               case    HIERARCHY_4: val = (val&0xf8)|3; break;
-               default:
-                       dprintk ("%s: invalid hierarchy\n",__func__);
-                       return -EINVAL;
+       switch (p->u.ofdm.hierarchy_information) {
+       case HIERARCHY_NONE:
+               val = (val & 0xf8);
+               break;
+       case HIERARCHY_1:
+               val = (val & 0xf8) | 1;
+               break;
+       case HIERARCHY_2:
+               val = (val & 0xf8) | 2;
+               break;
+       case HIERARCHY_4:
+               val = (val & 0xf8) | 3;
+               break;
+       default:
+               dprintk("%s: invalid hierarchy\n", __func__);
+               return -EINVAL;
        }
-       cx22702_writereg (state, 0x06, val);
-
-       val=0;
-       switch(p->u.ofdm.code_rate_HP) {
-               case FEC_NONE:
-               case FEC_1_2: val = (val&0xc7); break;
-               case FEC_2_3: val = (val&0xc7)|0x08; break;
-               case FEC_3_4: val = (val&0xc7)|0x10; break;
-               case FEC_5_6: val = (val&0xc7)|0x18; break;
-               case FEC_7_8: val = (val&0xc7)|0x20; break;
-               default:
-                       dprintk ("%s: invalid code_rate_HP\n",__func__);
-                       return -EINVAL;
+       cx22702_writereg(state, 0x06, val);
+
+       val = 0;
+       switch (p->u.ofdm.code_rate_HP) {
+       case FEC_NONE:
+       case FEC_1_2:
+               val = (val & 0xc7);
+               break;
+       case FEC_2_3:
+               val = (val & 0xc7) | 0x08;
+               break;
+       case FEC_3_4:
+               val = (val & 0xc7) | 0x10;
+               break;
+       case FEC_5_6:
+               val = (val & 0xc7) | 0x18;
+               break;
+       case FEC_7_8:
+               val = (val & 0xc7) | 0x20;
+               break;
+       default:
+               dprintk("%s: invalid code_rate_HP\n", __func__);
+               return -EINVAL;
        }
-       switch(p->u.ofdm.code_rate_LP) {
-               case FEC_NONE:
-               case FEC_1_2: val = (val&0xf8); break;
-               case FEC_2_3: val = (val&0xf8)|1; break;
-               case FEC_3_4: val = (val&0xf8)|2; break;
-               case FEC_5_6: val = (val&0xf8)|3; break;
-               case FEC_7_8: val = (val&0xf8)|4; break;
-               default:
-                       dprintk ("%s: invalid code_rate_LP\n",__func__);
-                       return -EINVAL;
+       switch (p->u.ofdm.code_rate_LP) {
+       case FEC_NONE:
+       case FEC_1_2:
+               val = (val & 0xf8);
+               break;
+       case FEC_2_3:
+               val = (val & 0xf8) | 1;
+               break;
+       case FEC_3_4:
+               val = (val & 0xf8) | 2;
+               break;
+       case FEC_5_6:
+               val = (val & 0xf8) | 3;
+               break;
+       case FEC_7_8:
+               val = (val & 0xf8) | 4;
+               break;
+       default:
+               dprintk("%s: invalid code_rate_LP\n", __func__);
+               return -EINVAL;
        }
-       cx22702_writereg (state, 0x07, val);
-
-       val=0;
-       switch(p->u.ofdm.guard_interval) {
-               case GUARD_INTERVAL_1_32: val = (val&0xf3); break;
-               case GUARD_INTERVAL_1_16: val = (val&0xf3)|0x04; break;
-               case  GUARD_INTERVAL_1_8: val = (val&0xf3)|0x08; break;
-               case  GUARD_INTERVAL_1_4: val = (val&0xf3)|0x0c; break;
-               default:
-                       dprintk ("%s: invalid guard_interval\n",__func__);
-                       return -EINVAL;
+       cx22702_writereg(state, 0x07, val);
+
+       val = 0;
+       switch (p->u.ofdm.guard_interval) {
+       case GUARD_INTERVAL_1_32:
+               val = (val & 0xf3);
+               break;
+       case GUARD_INTERVAL_1_16:
+               val = (val & 0xf3) | 0x04;
+               break;
+       case GUARD_INTERVAL_1_8:
+               val = (val & 0xf3) | 0x08;
+               break;
+       case GUARD_INTERVAL_1_4:
+               val = (val & 0xf3) | 0x0c;
+               break;
+       default:
+               dprintk("%s: invalid guard_interval\n", __func__);
+               return -EINVAL;
        }
-       switch(p->u.ofdm.transmission_mode) {
-               case TRANSMISSION_MODE_2K: val = (val&0xfc); break;
-               case TRANSMISSION_MODE_8K: val = (val&0xfc)|1; break;
-               default:
-                       dprintk ("%s: invalid transmission_mode\n",__func__);
-                       return -EINVAL;
+       switch (p->u.ofdm.transmission_mode) {
+       case TRANSMISSION_MODE_2K:
+               val = (val & 0xfc);
+               break;
+       case TRANSMISSION_MODE_8K:
+               val = (val & 0xfc) | 1;
+               break;
+       default:
+               dprintk("%s: invalid transmission_mode\n", __func__);
+               return -EINVAL;
        }
        cx22702_writereg(state, 0x08, val);
-       cx22702_writereg(state, 0x0B, (cx22702_readreg(state, 0x0B) & 0xfc) | 0x02 );
-       cx22702_writereg(state, 0x0C, (cx22702_readreg(state, 0x0C) & 0xBF) | 0x40 );
+       cx22702_writereg(state, 0x0B,
+               (cx22702_readreg(state, 0x0B) & 0xfc) | 0x02);
+       cx22702_writereg(state, 0x0C,
+               (cx22702_readreg(state, 0x0C) & 0xBF) | 0x40);
 
        /* Begin channel aquisition */
        cx22702_writereg(state, 0x00, 0x01);
@@ -329,109 +434,111 @@ static int cx22702_set_tps (struct dvb_frontend* fe, struct dvb_frontend_paramet
 
 /* Reset the demod hardware and reset all of the configuration registers
    to a default state. */
-static int cx22702_init (struct dvb_frontend* fe)
+static int cx22702_init(struct dvb_frontend *fe)
 {
        int i;
-       struct cx22702_statestate = fe->demodulator_priv;
+       struct cx22702_state *state = fe->demodulator_priv;
 
-       cx22702_writereg (state, 0x00, 0x02);
+       cx22702_writereg(state, 0x00, 0x02);
 
        msleep(10);
 
-       for (i=0; i<sizeof(init_tab); i+=2)
-               cx22702_writereg (state, init_tab[i], init_tab[i+1]);
+       for (i = 0; i < ARRAY_SIZE(init_tab); i += 2)
+               cx22702_writereg(state, init_tab[i], init_tab[i + 1]);
 
-       cx22702_writereg (state, 0xf8, (state->config->output_mode << 1) & 0x02);
+       cx22702_writereg(state, 0xf8, (state->config->output_mode << 1)
+               & 0x02);
 
        cx22702_i2c_gate_ctrl(fe, 0);
 
        return 0;
 }
 
-static int cx22702_read_status(struct dvb_frontend* fe, fe_status_t* status)
+static int cx22702_read_status(struct dvb_frontend *fe, fe_status_t *status)
 {
-       struct cx22702_statestate = fe->demodulator_priv;
+       struct cx22702_state *state = fe->demodulator_priv;
        u8 reg0A;
        u8 reg23;
 
        *status = 0;
 
-       reg0A = cx22702_readreg (state, 0x0A);
-       reg23 = cx22702_readreg (state, 0x23);
+       reg0A = cx22702_readreg(state, 0x0A);
+       reg23 = cx22702_readreg(state, 0x23);
 
-       dprintk ("%s: status demod=0x%02x agc=0x%02x\n"
-               ,__func__,reg0A,reg23);
+       dprintk("%s: status demod=0x%02x agc=0x%02x\n"
+               , __func__, reg0A, reg23);
 
-       if(reg0A & 0x10) {
+       if (reg0A & 0x10) {
                *status |= FE_HAS_LOCK;
                *status |= FE_HAS_VITERBI;
                *status |= FE_HAS_SYNC;
        }
 
-       if(reg0A & 0x20)
+       if (reg0A & 0x20)
                *status |= FE_HAS_CARRIER;
 
-       if(reg23 < 0xf0)
+       if (reg23 < 0xf0)
                *status |= FE_HAS_SIGNAL;
 
        return 0;
 }
 
-static int cx22702_read_ber(struct dvb_frontend* fe, u32* ber)
+static int cx22702_read_ber(struct dvb_frontend *fe, u32 *ber)
 {
-       struct cx22702_statestate = fe->demodulator_priv;
+       struct cx22702_state *state = fe->demodulator_priv;
 
-       if(cx22702_readreg (state, 0xE4) & 0x02) {
+       if (cx22702_readreg(state, 0xE4) & 0x02) {
                /* Realtime statistics */
-               *ber = (cx22702_readreg (state, 0xDE) & 0x7F) << 7
-                       | (cx22702_readreg (state, 0xDF)&0x7F);
+               *ber = (cx22702_readreg(state, 0xDE) & 0x7F) << 7
+                       | (cx22702_readreg(state, 0xDF) & 0x7F);
        } else {
                /* Averagtine statistics */
-               *ber = (cx22702_readreg (state, 0xDE) & 0x7F) << 7
-                       | cx22702_readreg (state, 0xDF);
+               *ber = (cx22702_readreg(state, 0xDE) & 0x7F) << 7
+                       | cx22702_readreg(state, 0xDF);
        }
 
        return 0;
 }
 
-static int cx22702_read_signal_strength(struct dvb_frontend* fe, u16* signal_strength)
+static int cx22702_read_signal_strength(struct dvb_frontend *fe,
+       u16 *signal_strength)
 {
-       struct cx22702_statestate = fe->demodulator_priv;
+       struct cx22702_state *state = fe->demodulator_priv;
 
        u16 rs_ber = 0;
-       rs_ber = cx22702_readreg (state, 0x23);
+       rs_ber = cx22702_readreg(state, 0x23);
        *signal_strength = (rs_ber << 8) | rs_ber;
 
        return 0;
 }
 
-static int cx22702_read_snr(struct dvb_frontend* fe, u16* snr)
+static int cx22702_read_snr(struct dvb_frontend *fe, u16 *snr)
 {
-       struct cx22702_statestate = fe->demodulator_priv;
+       struct cx22702_state *state = fe->demodulator_priv;
 
-       u16 rs_ber=0;
-       if(cx22702_readreg (state, 0xE4) & 0x02) {
+       u16 rs_ber = 0;
+       if (cx22702_readreg(state, 0xE4) & 0x02) {
                /* Realtime statistics */
-               rs_ber = (cx22702_readreg (state, 0xDE) & 0x7F) << 7
-                       | (cx22702_readreg (state, 0xDF)& 0x7F);
+               rs_ber = (cx22702_readreg(state, 0xDE) & 0x7F) << 7
+                       | (cx22702_readreg(state, 0xDF) & 0x7F);
        } else {
                /* Averagine statistics */
-               rs_ber = (cx22702_readreg (state, 0xDE) & 0x7F) << 8
-                       | cx22702_readreg (state, 0xDF);
+               rs_ber = (cx22702_readreg(state, 0xDE) & 0x7F) << 8
+                       | cx22702_readreg(state, 0xDF);
        }
        *snr = ~rs_ber;
 
        return 0;
 }
 
-static int cx22702_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
+static int cx22702_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
 {
-       struct cx22702_statestate = fe->demodulator_priv;
+       struct cx22702_state *state = fe->demodulator_priv;
 
        u8 _ucblocks;
 
        /* RS Uncorrectable Packet Count then reset */
-       _ucblocks = cx22702_readreg (state, 0xE3);
+       _ucblocks = cx22702_readreg(state, 0xE3);
        if (state->prevUCBlocks < _ucblocks)
                *ucblocks = (_ucblocks - state->prevUCBlocks);
        else
@@ -441,34 +548,36 @@ static int cx22702_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
        return 0;
 }
 
-static int cx22702_get_frontend(struct dvb_frontend* fe, struct dvb_frontend_parameters *p)
+static int cx22702_get_frontend(struct dvb_frontend *fe,
+       struct dvb_frontend_parameters *p)
 {
-       struct cx22702_statestate = fe->demodulator_priv;
+       struct cx22702_state *state = fe->demodulator_priv;
 
-       u8 reg0C = cx22702_readreg (state, 0x0C);
+       u8 reg0C = cx22702_readreg(state, 0x0C);
 
        p->inversion = reg0C & 0x1 ? INVERSION_ON : INVERSION_OFF;
-       return cx22702_get_tps (state, &p->u.ofdm);
+       return cx22702_get_tps(state, &p->u.ofdm);
 }
 
-static int cx22702_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_tune_settings *tune)
+static int cx22702_get_tune_settings(struct dvb_frontend *fe,
+       struct dvb_frontend_tune_settings *tune)
 {
        tune->min_delay_ms = 1000;
        return 0;
 }
 
-static void cx22702_release(struct dvb_frontendfe)
+static void cx22702_release(struct dvb_frontend *fe)
 {
-       struct cx22702_statestate = fe->demodulator_priv;
+       struct cx22702_state *state = fe->demodulator_priv;
        kfree(state);
 }
 
 static struct dvb_frontend_ops cx22702_ops;
 
-struct dvb_frontend* cx22702_attach(const struct cx22702_config* config,
-                                   struct i2c_adapter* i2c)
+struct dvb_frontend *cx22702_attach(const struct cx22702_config *config,
+       struct i2c_adapter *i2c)
 {
-       struct cx22702_statestate = NULL;
+       struct cx22702_state *state = NULL;
 
        /* allocate memory for the internal state */
        state = kmalloc(sizeof(struct cx22702_state), GFP_KERNEL);
@@ -485,7 +594,8 @@ struct dvb_frontend* cx22702_attach(const struct cx22702_config* config,
                goto error;
 
        /* create dvb_frontend */
-       memcpy(&state->frontend.ops, &cx22702_ops, sizeof(struct dvb_frontend_ops));
+       memcpy(&state->frontend.ops, &cx22702_ops,
+               sizeof(struct dvb_frontend_ops));
        state->frontend.demodulator_priv = state;
        return &state->frontend;
 
@@ -493,6 +603,7 @@ error:
        kfree(state);
        return NULL;
 }
+EXPORT_SYMBOL(cx22702_attach);
 
 static struct dvb_frontend_ops cx22702_ops = {
 
@@ -525,11 +636,6 @@ static struct dvb_frontend_ops cx22702_ops = {
        .read_ucblocks = cx22702_read_ucblocks,
 };
 
-module_param(debug, int, 0644);
-MODULE_PARM_DESC(debug, "Enable verbose debug messages");
-
 MODULE_DESCRIPTION("Conexant CX22702 DVB-T Demodulator driver");
 MODULE_AUTHOR("Steven Toth");
 MODULE_LICENSE("GPL");
-
-EXPORT_SYMBOL(cx22702_attach);
index b1e465c6c2cec362c989f7a17a41e6c5c03a05f4..f154e1f428eb64c5a0924bbc6389c479bfe6f64d 100644 (file)
@@ -30,8 +30,7 @@
 
 #include <linux/dvb/frontend.h>
 
-struct cx22702_config
-{
+struct cx22702_config {
        /* the demodulator's i2c address */
        u8 demod_address;
 
@@ -41,16 +40,19 @@ struct cx22702_config
        u8 output_mode;
 };
 
-#if defined(CONFIG_DVB_CX22702) || (defined(CONFIG_DVB_CX22702_MODULE) && defined(MODULE))
-extern struct dvb_frontend* cx22702_attach(const struct cx22702_config* config,
-                                          struct i2c_adapter* i2c);
+#if defined(CONFIG_DVB_CX22702) || (defined(CONFIG_DVB_CX22702_MODULE) \
+       && defined(MODULE))
+extern struct dvb_frontend *cx22702_attach(
+       const struct cx22702_config *config,
+       struct i2c_adapter *i2c);
 #else
-static inline struct dvb_frontend* cx22702_attach(const struct cx22702_config* config,
-                                          struct i2c_adapter* i2c)
+static inline struct dvb_frontend *cx22702_attach(
+       const struct cx22702_config *config,
+       struct i2c_adapter *i2c)
 {
        printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
        return NULL;
 }
-#endif // CONFIG_DVB_CX22702
+#endif
 
-#endif // CX22702_H
+#endif