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path: root/drivers/media/dvb/frontends/mt312.c
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Diffstat (limited to 'drivers/media/dvb/frontends/mt312.c')
-rw-r--r--drivers/media/dvb/frontends/mt312.c257
1 files changed, 152 insertions, 105 deletions
diff --git a/drivers/media/dvb/frontends/mt312.c b/drivers/media/dvb/frontends/mt312.c
index 0606b9a5b616..1638301fbd6e 100644
--- a/drivers/media/dvb/frontends/mt312.c
+++ b/drivers/media/dvb/frontends/mt312.c
@@ -37,9 +37,9 @@
struct mt312_state {
- struct i2c_adapter* i2c;
+ struct i2c_adapter *i2c;
/* configuration settings */
- const struct mt312_config* config;
+ const struct mt312_config *config;
struct dvb_frontend frontend;
u8 id;
@@ -49,14 +49,15 @@ struct mt312_state {
static int debug;
#define dprintk(args...) \
do { \
- if (debug) printk(KERN_DEBUG "mt312: " args); \
+ if (debug) \
+ printk(KERN_DEBUG "mt312: " args); \
} while (0)
#define MT312_SYS_CLK 90000000UL /* 90 MHz */
#define MT312_LPOWER_SYS_CLK 60000000UL /* 60 MHz */
#define MT312_PLL_CLK 10000000UL /* 10 MHz */
-static int mt312_read(struct mt312_state* state, const enum mt312_reg_addr reg,
+static int mt312_read(struct mt312_state *state, const enum mt312_reg_addr reg,
void *buf, const size_t count)
{
int ret;
@@ -79,7 +80,7 @@ static int mt312_read(struct mt312_state* state, const enum mt312_reg_addr reg,
return -EREMOTEIO;
}
- if(debug) {
+ if (debug) {
int i;
dprintk("R(%d):", reg & 0x7f);
for (i = 0; i < count; i++)
@@ -90,14 +91,14 @@ static int mt312_read(struct mt312_state* state, const enum mt312_reg_addr reg,
return 0;
}
-static int mt312_write(struct mt312_state* state, const enum mt312_reg_addr reg,
+static int mt312_write(struct mt312_state *state, const enum mt312_reg_addr reg,
const void *src, const size_t count)
{
int ret;
u8 buf[count + 1];
struct i2c_msg msg;
- if(debug) {
+ if (debug) {
int i;
dprintk("W(%d):", reg & 0x7f);
for (i = 0; i < count; i++)
@@ -123,13 +124,13 @@ static int mt312_write(struct mt312_state* state, const enum mt312_reg_addr reg,
return 0;
}
-static inline int mt312_readreg(struct mt312_state* state,
+static inline int mt312_readreg(struct mt312_state *state,
const enum mt312_reg_addr reg, u8 *val)
{
return mt312_read(state, reg, val, 1);
}
-static inline int mt312_writereg(struct mt312_state* state,
+static inline int mt312_writereg(struct mt312_state *state,
const enum mt312_reg_addr reg, const u8 val)
{
return mt312_write(state, reg, &val, 1);
@@ -140,18 +141,19 @@ static inline u32 mt312_div(u32 a, u32 b)
return (a + (b / 2)) / b;
}
-static int mt312_reset(struct mt312_state* state, const u8 full)
+static int mt312_reset(struct mt312_state *state, const u8 full)
{
return mt312_writereg(state, RESET, full ? 0x80 : 0x40);
}
-static int mt312_get_inversion(struct mt312_state* state,
+static int mt312_get_inversion(struct mt312_state *state,
fe_spectral_inversion_t *i)
{
int ret;
u8 vit_mode;
- if ((ret = mt312_readreg(state, VIT_MODE, &vit_mode)) < 0)
+ ret = mt312_readreg(state, VIT_MODE, &vit_mode);
+ if (ret < 0)
return ret;
if (vit_mode & 0x80) /* auto inversion was used */
@@ -160,7 +162,7 @@ static int mt312_get_inversion(struct mt312_state* state,
return 0;
}
-static int mt312_get_symbol_rate(struct mt312_state* state, u32 *sr)
+static int mt312_get_symbol_rate(struct mt312_state *state, u32 *sr)
{
int ret;
u8 sym_rate_h;
@@ -169,37 +171,44 @@ static int mt312_get_symbol_rate(struct mt312_state* state, u32 *sr)
u16 monitor;
u8 buf[2];
- if ((ret = mt312_readreg(state, SYM_RATE_H, &sym_rate_h)) < 0)
+ ret = mt312_readreg(state, SYM_RATE_H, &sym_rate_h);
+ if (ret < 0)
return ret;
- if (sym_rate_h & 0x80) { /* symbol rate search was used */
- if ((ret = mt312_writereg(state, MON_CTRL, 0x03)) < 0)
+ if (sym_rate_h & 0x80) {
+ /* symbol rate search was used */
+ ret = mt312_writereg(state, MON_CTRL, 0x03);
+ if (ret < 0)
return ret;
- if ((ret = mt312_read(state, MONITOR_H, buf, sizeof(buf))) < 0)
+ ret = mt312_read(state, MONITOR_H, buf, sizeof(buf));
+ if (ret < 0)
return ret;
monitor = (buf[0] << 8) | buf[1];
- dprintk(KERN_DEBUG "sr(auto) = %u\n",
+ dprintk("sr(auto) = %u\n",
mt312_div(monitor * 15625, 4));
} else {
- if ((ret = mt312_writereg(state, MON_CTRL, 0x05)) < 0)
+ ret = mt312_writereg(state, MON_CTRL, 0x05);
+ if (ret < 0)
return ret;
- if ((ret = mt312_read(state, MONITOR_H, buf, sizeof(buf))) < 0)
+ ret = mt312_read(state, MONITOR_H, buf, sizeof(buf));
+ if (ret < 0)
return ret;
dec_ratio = ((buf[0] >> 5) & 0x07) * 32;
- if ((ret = mt312_read(state, SYM_RAT_OP_H, buf, sizeof(buf))) < 0)
+ ret = mt312_read(state, SYM_RAT_OP_H, buf, sizeof(buf));
+ if (ret < 0)
return ret;
sym_rat_op = (buf[0] << 8) | buf[1];
- dprintk(KERN_DEBUG "sym_rat_op=%d dec_ratio=%d\n",
+ dprintk("sym_rat_op=%d dec_ratio=%d\n",
sym_rat_op, dec_ratio);
- dprintk(KERN_DEBUG "*sr(manual) = %lu\n",
+ dprintk("*sr(manual) = %lu\n",
(((MT312_PLL_CLK * 8192) / (sym_rat_op + 8192)) *
2) - dec_ratio);
}
@@ -207,7 +216,7 @@ static int mt312_get_symbol_rate(struct mt312_state* state, u32 *sr)
return 0;
}
-static int mt312_get_code_rate(struct mt312_state* state, fe_code_rate_t *cr)
+static int mt312_get_code_rate(struct mt312_state *state, fe_code_rate_t *cr)
{
const fe_code_rate_t fec_tab[8] =
{ FEC_1_2, FEC_2_3, FEC_3_4, FEC_5_6, FEC_6_7, FEC_7_8,
@@ -216,7 +225,8 @@ static int mt312_get_code_rate(struct mt312_state* state, fe_code_rate_t *cr)
int ret;
u8 fec_status;
- if ((ret = mt312_readreg(state, FEC_STATUS, &fec_status)) < 0)
+ ret = mt312_readreg(state, FEC_STATUS, &fec_status);
+ if (ret < 0)
return ret;
*cr = fec_tab[(fec_status >> 4) & 0x07];
@@ -224,61 +234,72 @@ static int mt312_get_code_rate(struct mt312_state* state, fe_code_rate_t *cr)
return 0;
}
-static int mt312_initfe(struct dvb_frontend* fe)
+static int mt312_initfe(struct dvb_frontend *fe)
{
struct mt312_state *state = fe->demodulator_priv;
int ret;
u8 buf[2];
/* wake up */
- if ((ret = mt312_writereg(state, CONFIG, (state->frequency == 60 ? 0x88 : 0x8c))) < 0)
+ ret = mt312_writereg(state, CONFIG,
+ (state->frequency == 60 ? 0x88 : 0x8c));
+ if (ret < 0)
return ret;
/* wait at least 150 usec */
udelay(150);
/* full reset */
- if ((ret = mt312_reset(state, 1)) < 0)
+ ret = mt312_reset(state, 1);
+ if (ret < 0)
return ret;
-// Per datasheet, write correct values. 09/28/03 ACCJr.
-// If we don't do this, we won't get FE_HAS_VITERBI in the VP310.
+/* Per datasheet, write correct values. 09/28/03 ACCJr.
+ * If we don't do this, we won't get FE_HAS_VITERBI in the VP310. */
{
- u8 buf_def[8]={0x14, 0x12, 0x03, 0x02, 0x01, 0x00, 0x00, 0x00};
+ u8 buf_def[8] = { 0x14, 0x12, 0x03, 0x02,
+ 0x01, 0x00, 0x00, 0x00 };
- if ((ret = mt312_write(state, VIT_SETUP, buf_def, sizeof(buf_def))) < 0)
+ ret = mt312_write(state, VIT_SETUP, buf_def, sizeof(buf_def));
+ if (ret < 0)
return ret;
}
/* SYS_CLK */
- buf[0] = mt312_div((state->frequency == 60 ? MT312_LPOWER_SYS_CLK : MT312_SYS_CLK) * 2, 1000000);
+ buf[0] = mt312_div((state->frequency == 60 ? MT312_LPOWER_SYS_CLK :
+ MT312_SYS_CLK) * 2, 1000000);
/* DISEQC_RATIO */
buf[1] = mt312_div(MT312_PLL_CLK, 15000 * 4);
- if ((ret = mt312_write(state, SYS_CLK, buf, sizeof(buf))) < 0)
+ ret = mt312_write(state, SYS_CLK, buf, sizeof(buf));
+ if (ret < 0)
return ret;
- if ((ret = mt312_writereg(state, SNR_THS_HIGH, 0x32)) < 0)
+ ret = mt312_writereg(state, SNR_THS_HIGH, 0x32);
+ if (ret < 0)
return ret;
- if ((ret = mt312_writereg(state, OP_CTRL, 0x53)) < 0)
+ ret = mt312_writereg(state, OP_CTRL, 0x53);
+ if (ret < 0)
return ret;
/* TS_SW_LIM */
buf[0] = 0x8c;
buf[1] = 0x98;
- if ((ret = mt312_write(state, TS_SW_LIM_L, buf, sizeof(buf))) < 0)
+ ret = mt312_write(state, TS_SW_LIM_L, buf, sizeof(buf));
+ if (ret < 0)
return ret;
- if ((ret = mt312_writereg(state, CS_SW_LIM, 0x69)) < 0)
+ ret = mt312_writereg(state, CS_SW_LIM, 0x69);
+ if (ret < 0)
return ret;
return 0;
}
-static int mt312_send_master_cmd(struct dvb_frontend* fe,
+static int mt312_send_master_cmd(struct dvb_frontend *fe,
struct dvb_diseqc_master_cmd *c)
{
struct mt312_state *state = fe->demodulator_priv;
@@ -288,29 +309,31 @@ static int mt312_send_master_cmd(struct dvb_frontend* fe,
if ((c->msg_len == 0) || (c->msg_len > sizeof(c->msg)))
return -EINVAL;
- if ((ret = mt312_readreg(state, DISEQC_MODE, &diseqc_mode)) < 0)
+ ret = mt312_readreg(state, DISEQC_MODE, &diseqc_mode);
+ if (ret < 0)
return ret;
- if ((ret =
- mt312_write(state, (0x80 | DISEQC_INSTR), c->msg, c->msg_len)) < 0)
+ ret = mt312_write(state, (0x80 | DISEQC_INSTR), c->msg, c->msg_len);
+ if (ret < 0)
return ret;
- if ((ret =
- mt312_writereg(state, DISEQC_MODE,
- (diseqc_mode & 0x40) | ((c->msg_len - 1) << 3)
- | 0x04)) < 0)
+ ret = mt312_writereg(state, DISEQC_MODE,
+ (diseqc_mode & 0x40) | ((c->msg_len - 1) << 3)
+ | 0x04);
+ if (ret < 0)
return ret;
/* set DISEQC_MODE[2:0] to zero if a return message is expected */
- if (c->msg[0] & 0x02)
- if ((ret =
- mt312_writereg(state, DISEQC_MODE, (diseqc_mode & 0x40))) < 0)
+ if (c->msg[0] & 0x02) {
+ ret = mt312_writereg(state, DISEQC_MODE, (diseqc_mode & 0x40));
+ if (ret < 0)
return ret;
+ }
return 0;
}
-static int mt312_send_burst(struct dvb_frontend* fe, const fe_sec_mini_cmd_t c)
+static int mt312_send_burst(struct dvb_frontend *fe, const fe_sec_mini_cmd_t c)
{
struct mt312_state *state = fe->demodulator_priv;
const u8 mini_tab[2] = { 0x02, 0x03 };
@@ -321,18 +344,19 @@ static int mt312_send_burst(struct dvb_frontend* fe, const fe_sec_mini_cmd_t c)
if (c > SEC_MINI_B)
return -EINVAL;
- if ((ret = mt312_readreg(state, DISEQC_MODE, &diseqc_mode)) < 0)
+ ret = mt312_readreg(state, DISEQC_MODE, &diseqc_mode);
+ if (ret < 0)
return ret;
- if ((ret =
- mt312_writereg(state, DISEQC_MODE,
- (diseqc_mode & 0x40) | mini_tab[c])) < 0)
+ ret = mt312_writereg(state, DISEQC_MODE,
+ (diseqc_mode & 0x40) | mini_tab[c]);
+ if (ret < 0)
return ret;
return 0;
}
-static int mt312_set_tone(struct dvb_frontend* fe, const fe_sec_tone_mode_t t)
+static int mt312_set_tone(struct dvb_frontend *fe, const fe_sec_tone_mode_t t)
{
struct mt312_state *state = fe->demodulator_priv;
const u8 tone_tab[2] = { 0x01, 0x00 };
@@ -343,18 +367,19 @@ static int mt312_set_tone(struct dvb_frontend* fe, const fe_sec_tone_mode_t t)
if (t > SEC_TONE_OFF)
return -EINVAL;
- if ((ret = mt312_readreg(state, DISEQC_MODE, &diseqc_mode)) < 0)
+ ret = mt312_readreg(state, DISEQC_MODE, &diseqc_mode);
+ if (ret < 0)
return ret;
- if ((ret =
- mt312_writereg(state, DISEQC_MODE,
- (diseqc_mode & 0x40) | tone_tab[t])) < 0)
+ ret = mt312_writereg(state, DISEQC_MODE,
+ (diseqc_mode & 0x40) | tone_tab[t]);
+ if (ret < 0)
return ret;
return 0;
}
-static int mt312_set_voltage(struct dvb_frontend* fe, const fe_sec_voltage_t v)
+static int mt312_set_voltage(struct dvb_frontend *fe, const fe_sec_voltage_t v)
{
struct mt312_state *state = fe->demodulator_priv;
const u8 volt_tab[3] = { 0x00, 0x40, 0x00 };
@@ -365,7 +390,7 @@ static int mt312_set_voltage(struct dvb_frontend* fe, const fe_sec_voltage_t v)
return mt312_writereg(state, DISEQC_MODE, volt_tab[v]);
}
-static int mt312_read_status(struct dvb_frontend* fe, fe_status_t *s)
+static int mt312_read_status(struct dvb_frontend *fe, fe_status_t *s)
{
struct mt312_state *state = fe->demodulator_priv;
int ret;
@@ -373,10 +398,12 @@ static int mt312_read_status(struct dvb_frontend* fe, fe_status_t *s)
*s = 0;
- if ((ret = mt312_read(state, QPSK_STAT_H, status, sizeof(status))) < 0)
+ ret = mt312_read(state, QPSK_STAT_H, status, sizeof(status));
+ if (ret < 0)
return ret;
- dprintk(KERN_DEBUG "QPSK_STAT_H: 0x%02x, QPSK_STAT_L: 0x%02x, FEC_STATUS: 0x%02x\n", status[0], status[1], status[2]);
+ dprintk("QPSK_STAT_H: 0x%02x, QPSK_STAT_L: 0x%02x,"
+ " FEC_STATUS: 0x%02x\n", status[0], status[1], status[2]);
if (status[0] & 0xc0)
*s |= FE_HAS_SIGNAL; /* signal noise ratio */
@@ -392,13 +419,14 @@ static int mt312_read_status(struct dvb_frontend* fe, fe_status_t *s)
return 0;
}
-static int mt312_read_ber(struct dvb_frontend* fe, u32 *ber)
+static int mt312_read_ber(struct dvb_frontend *fe, u32 *ber)
{
struct mt312_state *state = fe->demodulator_priv;
int ret;
u8 buf[3];
- if ((ret = mt312_read(state, RS_BERCNT_H, buf, 3)) < 0)
+ ret = mt312_read(state, RS_BERCNT_H, buf, 3);
+ if (ret < 0)
return ret;
*ber = ((buf[0] << 16) | (buf[1] << 8) | buf[2]) * 64;
@@ -406,7 +434,8 @@ static int mt312_read_ber(struct dvb_frontend* fe, u32 *ber)
return 0;
}
-static int mt312_read_signal_strength(struct dvb_frontend* fe, u16 *signal_strength)
+static int mt312_read_signal_strength(struct dvb_frontend *fe,
+ u16 *signal_strength)
{
struct mt312_state *state = fe->demodulator_priv;
int ret;
@@ -414,7 +443,8 @@ static int mt312_read_signal_strength(struct dvb_frontend* fe, u16 *signal_stren
u16 agc;
s16 err_db;
- if ((ret = mt312_read(state, AGC_H, buf, sizeof(buf))) < 0)
+ ret = mt312_read(state, AGC_H, buf, sizeof(buf));
+ if (ret < 0)
return ret;
agc = (buf[0] << 6) | (buf[1] >> 2);
@@ -422,18 +452,19 @@ static int mt312_read_signal_strength(struct dvb_frontend* fe, u16 *signal_stren
*signal_strength = agc;
- dprintk(KERN_DEBUG "agc=%08x err_db=%hd\n", agc, err_db);
+ dprintk("agc=%08x err_db=%hd\n", agc, err_db);
return 0;
}
-static int mt312_read_snr(struct dvb_frontend* fe, u16 *snr)
+static int mt312_read_snr(struct dvb_frontend *fe, u16 *snr)
{
struct mt312_state *state = fe->demodulator_priv;
int ret;
u8 buf[2];
- if ((ret = mt312_read(state, M_SNR_H, &buf, sizeof(buf))) < 0)
+ ret = mt312_read(state, M_SNR_H, &buf, sizeof(buf));
+ if (ret < 0)
return ret;
*snr = 0xFFFF - ((((buf[0] & 0x7f) << 8) | buf[1]) << 1);
@@ -441,13 +472,14 @@ static int mt312_read_snr(struct dvb_frontend* fe, u16 *snr)
return 0;
}
-static int mt312_read_ucblocks(struct dvb_frontend* fe, u32 *ubc)
+static int mt312_read_ucblocks(struct dvb_frontend *fe, u32 *ubc)
{
struct mt312_state *state = fe->demodulator_priv;
int ret;
u8 buf[2];
- if ((ret = mt312_read(state, RS_UBC_H, &buf, sizeof(buf))) < 0)
+ ret = mt312_read(state, RS_UBC_H, &buf, sizeof(buf));
+ if (ret < 0)
return ret;
*ubc = (buf[0] << 8) | buf[1];
@@ -455,7 +487,7 @@ static int mt312_read_ucblocks(struct dvb_frontend* fe, u32 *ubc)
return 0;
}
-static int mt312_set_frontend(struct dvb_frontend* fe,
+static int mt312_set_frontend(struct dvb_frontend *fe,
struct dvb_frontend_parameters *p)
{
struct mt312_state *state = fe->demodulator_priv;
@@ -491,24 +523,28 @@ static int mt312_set_frontend(struct dvb_frontend* fe,
switch (state->id) {
case ID_VP310:
- // For now we will do this only for the VP310.
- // It should be better for the mt312 as well, but tunning will be slower. ACCJr 09/29/03
+ /* For now we will do this only for the VP310.
+ * It should be better for the mt312 as well,
+ * but tuning will be slower. ACCJr 09/29/03
+ */
ret = mt312_readreg(state, CONFIG, &config_val);
if (ret < 0)
return ret;
- if (p->u.qpsk.symbol_rate >= 30000000) //Note that 30MS/s should use 90MHz
- {
- if ((config_val & 0x0c) == 0x08) { //We are running 60MHz
+ if (p->u.qpsk.symbol_rate >= 30000000) {
+ /* Note that 30MS/s should use 90MHz */
+ if ((config_val & 0x0c) == 0x08) {
+ /* We are running 60MHz */
state->frequency = 90;
- if ((ret = mt312_initfe(fe)) < 0)
+ ret = mt312_initfe(fe);
+ if (ret < 0)
return ret;
}
- }
- else
- {
- if ((config_val & 0x0c) == 0x0C) { //We are running 90MHz
+ } else {
+ if ((config_val & 0x0c) == 0x0C) {
+ /* We are running 90MHz */
state->frequency = 60;
- if ((ret = mt312_initfe(fe)) < 0)
+ ret = mt312_initfe(fe);
+ if (ret < 0)
return ret;
}
}
@@ -523,7 +559,8 @@ static int mt312_set_frontend(struct dvb_frontend* fe,
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);
}
/* sr = (u16)(sr * 256.0 / 1000000.0) */
@@ -545,7 +582,8 @@ static int mt312_set_frontend(struct dvb_frontend* fe,
/* GO */
buf[4] = 0x01;
- if ((ret = mt312_write(state, SYM_RATE_H, buf, sizeof(buf))) < 0)
+ ret = mt312_write(state, SYM_RATE_H, buf, sizeof(buf));
+ if (ret < 0)
return ret;
mt312_reset(state, 0);
@@ -553,27 +591,30 @@ static int mt312_set_frontend(struct dvb_frontend* fe,
return 0;
}
-static int mt312_get_frontend(struct dvb_frontend* fe,
+static int mt312_get_frontend(struct dvb_frontend *fe,
struct dvb_frontend_parameters *p)
{
struct mt312_state *state = fe->demodulator_priv;
int ret;
- if ((ret = mt312_get_inversion(state, &p->inversion)) < 0)
+ ret = mt312_get_inversion(state, &p->inversion);
+ if (ret < 0)
return ret;
- if ((ret = mt312_get_symbol_rate(state, &p->u.qpsk.symbol_rate)) < 0)
+ ret = mt312_get_symbol_rate(state, &p->u.qpsk.symbol_rate);
+ if (ret < 0)
return ret;
- if ((ret = mt312_get_code_rate(state, &p->u.qpsk.fec_inner)) < 0)
+ ret = mt312_get_code_rate(state, &p->u.qpsk.fec_inner);
+ if (ret < 0)
return ret;
return 0;
}
-static int mt312_i2c_gate_ctrl(struct dvb_frontend* fe, int enable)
+static int mt312_i2c_gate_ctrl(struct dvb_frontend *fe, int enable)
{
- struct mt312_state* state = fe->demodulator_priv;
+ struct mt312_state *state = fe->demodulator_priv;
if (enable) {
return mt312_writereg(state, GPP_CTRL, 0x40);
@@ -582,27 +623,31 @@ static int mt312_i2c_gate_ctrl(struct dvb_frontend* fe, int enable)
}
}
-static int mt312_sleep(struct dvb_frontend* fe)
+static int mt312_sleep(struct dvb_frontend *fe)
{
struct mt312_state *state = fe->demodulator_priv;
int ret;
u8 config;
/* reset all registers to defaults */
- if ((ret = mt312_reset(state, 1)) < 0)
+ ret = mt312_reset(state, 1);
+ if (ret < 0)
return ret;
- if ((ret = mt312_readreg(state, CONFIG, &config)) < 0)
+ ret = mt312_readreg(state, CONFIG, &config);
+ if (ret < 0)
return ret;
/* enter standby */
- if ((ret = mt312_writereg(state, CONFIG, config & 0x7f)) < 0)
+ ret = mt312_writereg(state, CONFIG, config & 0x7f);
+ if (ret < 0)
return ret;
return 0;
}
-static int mt312_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_tune_settings* fesettings)
+static int mt312_get_tune_settings(struct dvb_frontend *fe,
+ struct dvb_frontend_tune_settings *fesettings)
{
fesettings->min_delay_ms = 50;
fesettings->step_size = 0;
@@ -610,9 +655,9 @@ static int mt312_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_
return 0;
}
-static void mt312_release(struct dvb_frontend* fe)
+static void mt312_release(struct dvb_frontend *fe)
{
- struct mt312_state* state = fe->demodulator_priv;
+ struct mt312_state *state = fe->demodulator_priv;
kfree(state);
}
@@ -655,10 +700,10 @@ static struct dvb_frontend_ops vp310_mt312_ops = {
.set_voltage = mt312_set_voltage,
};
-struct dvb_frontend* vp310_mt312_attach(const struct mt312_config* config,
- struct i2c_adapter* i2c)
+struct dvb_frontend *vp310_mt312_attach(const struct mt312_config *config,
+ struct i2c_adapter *i2c)
{
- struct mt312_state* state = NULL;
+ struct mt312_state *state = NULL;
/* allocate memory for the internal state */
state = kmalloc(sizeof(struct mt312_state), GFP_KERNEL);
@@ -674,7 +719,8 @@ struct dvb_frontend* vp310_mt312_attach(const struct mt312_config* config,
goto error;
/* create dvb_frontend */
- memcpy(&state->frontend.ops, &vp310_mt312_ops, sizeof(struct dvb_frontend_ops));
+ memcpy(&state->frontend.ops, &vp310_mt312_ops,
+ sizeof(struct dvb_frontend_ops));
state->frontend.demodulator_priv = state;
switch (state->id) {
@@ -687,7 +733,8 @@ struct dvb_frontend* vp310_mt312_attach(const struct mt312_config* config,
state->frequency = 60;
break;
default:
- printk (KERN_WARNING "Only Zarlink VP310/MT312 are supported chips.\n");
+ printk(KERN_WARNING "Only Zarlink VP310/MT312"
+ " are supported chips.\n");
goto error;
}
@@ -697,6 +744,7 @@ error:
kfree(state);
return NULL;
}
+EXPORT_SYMBOL(vp310_mt312_attach);
module_param(debug, int, 0644);
MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off).");
@@ -705,4 +753,3 @@ MODULE_DESCRIPTION("Zarlink VP310/MT312 DVB-S Demodulator driver");
MODULE_AUTHOR("Andreas Oberritter <obi@linuxtv.org>");
MODULE_LICENSE("GPL");
-EXPORT_SYMBOL(vp310_mt312_attach);
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