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提交 b7709c0d 编写于 作者: S Steven Toth 提交者： Mauro Carvalho Chehab
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V4L/DVB (9258): s5h1409: Checkpatch compliance 

s5h1409: Checkpatch compliance
Signed-off-by: NSteven Toth <stoth@linuxtv.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>
上级 98c94823
隐藏空白更改
内联 并排
Showing with 78 addition and 75 deletion
drivers/media/dvb/frontends/s5h1409.c
浏览文件 @ b7709c0d
......@@ -30,10 +30,10 @@
struct s5h1409_state {
struct i2c_adapter* i2c;
struct i2c_adapter *i2c;
/* configuration settings */
const struct s5h1409_config* config;
const struct s5h1409_config *config;
struct dvb_frontend frontend;
......@@ -48,6 +48,9 @@ struct s5h1409_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, this will set VSB by default */
......@@ -299,10 +302,10 @@ static struct qam256_snr_tab {
};
/* 8 bit registers, 16 bit values */
static int s5h1409_writereg(struct s5h1409_state* state, u8 reg, u16 data)
static int s5h1409_writereg(struct s5h1409_state *state, u8 reg, u16 data)
{
int ret;
u8 buf [] = { reg, data >> 8, data & 0xff };
u8 buf[] = { reg, data >> 8, data & 0xff };
struct i2c_msg msg = { .addr = state->config->demod_address,
.flags = 0, .buf = buf, .len = 3 };
......@@ -310,19 +313,19 @@ static int s5h1409_writereg(struct s5h1409_state* state, u8 reg, u16 data)
ret = i2c_transfer(state->i2c, &msg, 1);
if (ret != 1)
printk("%s: writereg error (reg == 0x%02x, val == 0x%04x, "
printk(KERN_ERR "%s: error (reg == 0x%02x, val == 0x%04x, "
"ret == %i)\n", __func__, reg, data, ret);
return (ret != 1) ? -1 : 0;
}
static u16 s5h1409_readreg(struct s5h1409_state* state, u8 reg)
static u16 s5h1409_readreg(struct s5h1409_state *state, u8 reg)
{
int ret;
u8 b0 [] = { reg };
u8 b1 [] = { 0, 0 };
u8 b0[] = { reg };
u8 b1[] = { 0, 0 };
struct i2c_msg msg [] = {
struct i2c_msg msg[] = {
{ .addr = state->config->demod_address, .flags = 0,
.buf = b0, .len = 1 },
{ .addr = state->config->demod_address, .flags = I2C_M_RD,
......@@ -335,9 +338,9 @@ static u16 s5h1409_readreg(struct s5h1409_state* state, u8 reg)
return (b1[0] << 8) | b1[1];
}
static int s5h1409_softreset(struct dvb_frontend* fe)
static int s5h1409_softreset(struct dvb_frontend *fe)
{
struct s5h1409_state* state = fe->demodulator_priv;
struct s5h1409_state *state = fe->demodulator_priv;
dprintk("%s()\n", __func__);
......@@ -349,11 +352,11 @@ static int s5h1409_softreset(struct dvb_frontend* fe)
}
#define S5H1409_VSB_IF_FREQ 5380
#define S5H1409_QAM_IF_FREQ state->config->qam_if
#define S5H1409_QAM_IF_FREQ (state->config->qam_if)
static int s5h1409_set_if_freq(struct dvb_frontend* fe, int KHz)
static int s5h1409_set_if_freq(struct dvb_frontend *fe, int KHz)
{
struct s5h1409_state* state = fe->demodulator_priv;
struct s5h1409_state *state = fe->demodulator_priv;
dprintk("%s(%d KHz)\n", __func__, KHz);
......@@ -376,26 +379,26 @@ static int s5h1409_set_if_freq(struct dvb_frontend* fe, int KHz)
return 0;
}
static int s5h1409_set_spectralinversion(struct dvb_frontend* fe, int inverted)
static int s5h1409_set_spectralinversion(struct dvb_frontend *fe, int inverted)
{
struct s5h1409_state* state = fe->demodulator_priv;
struct s5h1409_state *state = fe->demodulator_priv;
dprintk("%s(%d)\n", __func__, inverted);
if(inverted == 1)
if (inverted == 1)
return s5h1409_writereg(state, 0x1b, 0x1101); /* Inverted */
else
return s5h1409_writereg(state, 0x1b, 0x0110); /* Normal */
}
static int s5h1409_enable_modulation(struct dvb_frontend* fe,
static int s5h1409_enable_modulation(struct dvb_frontend *fe,
fe_modulation_t m)
{
struct s5h1409_state* state = fe->demodulator_priv;
struct s5h1409_state *state = fe->demodulator_priv;
dprintk("%s(0x%08x)\n", __func__, m);
switch(m) {
switch (m) {
case VSB_8:
dprintk("%s() VSB_8\n", __func__);
if (state->if_freq != S5H1409_VSB_IF_FREQ)
......@@ -422,9 +425,9 @@ static int s5h1409_enable_modulation(struct dvb_frontend* fe,
return 0;
}
static int s5h1409_i2c_gate_ctrl(struct dvb_frontend* fe, int enable)
static int s5h1409_i2c_gate_ctrl(struct dvb_frontend *fe, int enable)
{
struct s5h1409_state* state = fe->demodulator_priv;
struct s5h1409_state *state = fe->demodulator_priv;
dprintk("%s(%d)\n", __func__, enable);
......@@ -434,9 +437,9 @@ static int s5h1409_i2c_gate_ctrl(struct dvb_frontend* fe, int enable)
return s5h1409_writereg(state, 0xf3, 0);
}
static int s5h1409_set_gpio(struct dvb_frontend* fe, int enable)
static int s5h1409_set_gpio(struct dvb_frontend *fe, int enable)
{
struct s5h1409_state* state = fe->demodulator_priv;
struct s5h1409_state *state = fe->demodulator_priv;
dprintk("%s(%d)\n", __func__, enable);
......@@ -448,18 +451,18 @@ static int s5h1409_set_gpio(struct dvb_frontend* fe, int enable)
s5h1409_readreg(state, 0xe3) & 0xfeff);
}
static int s5h1409_sleep(struct dvb_frontend* fe, int enable)
static int s5h1409_sleep(struct dvb_frontend *fe, int enable)
{
struct s5h1409_state* state = fe->demodulator_priv;
struct s5h1409_state *state = fe->demodulator_priv;
dprintk("%s(%d)\n", __func__, enable);
return s5h1409_writereg(state, 0xf2, enable);
}
static int s5h1409_register_reset(struct dvb_frontend* fe)
static int s5h1409_register_reset(struct dvb_frontend *fe)
{
struct s5h1409_state* state = fe->demodulator_priv;
struct s5h1409_state *state = fe->demodulator_priv;
dprintk("%s()\n", __func__);
......@@ -483,7 +486,7 @@ static void s5h1409_set_qam_amhum_mode(struct dvb_frontend *fe)
reg &= 0xff;
s5h1409_writereg(state, 0x96, 0x00c);
if ((reg < 0x38) || (reg > 0x68) ) {
if ((reg < 0x38) || (reg > 0x68)) {
s5h1409_writereg(state, 0x93, 0x3332);
s5h1409_writereg(state, 0x9e, 0x2c37);
} else {
......@@ -514,7 +517,7 @@ static void s5h1409_set_qam_interleave_mode(struct dvb_frontend *fe)
s5h1409_writereg(state, 0x96, 0x20);
s5h1409_writereg(state, 0xad,
( ((reg1 & 0xf000) >> 4) | (reg2 & 0xf0ff)) );
(((reg1 & 0xf000) >> 4) | (reg2 & 0xf0ff)));
s5h1409_writereg(state, 0xab,
s5h1409_readreg(state, 0xab) & 0xeffe);
}
......@@ -529,10 +532,10 @@ static void s5h1409_set_qam_interleave_mode(struct dvb_frontend *fe)
}
/* Talk to the demod, set the FEC, GUARD, QAM settings etc */
static int s5h1409_set_frontend (struct dvb_frontend* fe,
static int s5h1409_set_frontend(struct dvb_frontend *fe,
struct dvb_frontend_parameters *p)
{
struct s5h1409_state* state = fe->demodulator_priv;
struct s5h1409_state *state = fe->demodulator_priv;
dprintk("%s(frequency=%d)\n", __func__, p->frequency);
......@@ -546,9 +549,11 @@ static int s5h1409_set_frontend (struct dvb_frontend* fe,
msleep(100);
if (fe->ops.tuner_ops.set_params) {
if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 1);
if (fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 1);
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);
}
/* Optimize the demod for QAM */
......@@ -592,17 +597,17 @@ static int s5h1409_set_mpeg_timing(struct dvb_frontend *fe, int mode)
/* Reset the demod hardware and reset all of the configuration registers
to a default state. */
static int s5h1409_init (struct dvb_frontend* fe)
static int s5h1409_init(struct dvb_frontend *fe)
{
int i;
struct s5h1409_state* state = fe->demodulator_priv;
struct s5h1409_state *state = fe->demodulator_priv;
dprintk("%s()\n", __func__);
s5h1409_sleep(fe, 0);
s5h1409_register_reset(fe);
for (i=0; i < ARRAY_SIZE(init_tab); i++)
for (i = 0; i < ARRAY_SIZE(init_tab); i++)
s5h1409_writereg(state, init_tab[i].reg, init_tab[i].data);
/* The datasheet says that after initialisation, VSB is default */
......@@ -627,9 +632,9 @@ static int s5h1409_init (struct dvb_frontend* fe)
return 0;
}
static int s5h1409_read_status(struct dvb_frontend* fe, fe_status_t* status)
static int s5h1409_read_status(struct dvb_frontend *fe, fe_status_t *status)
{
struct s5h1409_state* state = fe->demodulator_priv;
struct s5h1409_state *state = fe->demodulator_priv;
u16 reg;
u32 tuner_status = 0;
......@@ -637,12 +642,12 @@ static int s5h1409_read_status(struct dvb_frontend* fe, fe_status_t* status)
/* Get the demodulator status */
reg = s5h1409_readreg(state, 0xf1);
if(reg & 0x1000)
if (reg & 0x1000)
*status |= FE_HAS_VITERBI;
if(reg & 0x8000)
if (reg & 0x8000)
*status |= FE_HAS_LOCK | FE_HAS_SYNC;
switch(state->config->status_mode) {
switch (state->config->status_mode) {
case S5H1409_DEMODLOCKING:
if (*status & FE_HAS_VITERBI)
*status |= FE_HAS_CARRIER | FE_HAS_SIGNAL;
......@@ -668,12 +673,12 @@ static int s5h1409_read_status(struct dvb_frontend* fe, fe_status_t* status)
return 0;
}
static int s5h1409_qam256_lookup_snr(struct dvb_frontend* fe, u16* snr, u16 v)
static int s5h1409_qam256_lookup_snr(struct dvb_frontend *fe, u16 *snr, u16 v)
{
int i, ret = -EINVAL;
dprintk("%s()\n", __func__);
for (i=0; i < ARRAY_SIZE(qam256_snr_tab); i++) {
for (i = 0; i < ARRAY_SIZE(qam256_snr_tab); i++) {
if (v < qam256_snr_tab[i].val) {
*snr = qam256_snr_tab[i].data;
ret = 0;
......@@ -683,12 +688,12 @@ static int s5h1409_qam256_lookup_snr(struct dvb_frontend* fe, u16* snr, u16 v)
return ret;
}
static int s5h1409_qam64_lookup_snr(struct dvb_frontend* fe, u16* snr, u16 v)
static int s5h1409_qam64_lookup_snr(struct dvb_frontend *fe, u16 *snr, u16 v)
{
int i, ret = -EINVAL;
dprintk("%s()\n", __func__);
for (i=0; i < ARRAY_SIZE(qam64_snr_tab); i++) {
for (i = 0; i < ARRAY_SIZE(qam64_snr_tab); i++) {
if (v < qam64_snr_tab[i].val) {
*snr = qam64_snr_tab[i].data;
ret = 0;
......@@ -698,12 +703,12 @@ static int s5h1409_qam64_lookup_snr(struct dvb_frontend* fe, u16* snr, u16 v)
return ret;
}
static int s5h1409_vsb_lookup_snr(struct dvb_frontend* fe, u16* snr, u16 v)
static int s5h1409_vsb_lookup_snr(struct dvb_frontend *fe, u16 *snr, u16 v)
{
int i, ret = -EINVAL;
dprintk("%s()\n", __func__);
for (i=0; i < ARRAY_SIZE(vsb_snr_tab); i++) {
for (i = 0; i < ARRAY_SIZE(vsb_snr_tab); i++) {
if (v > vsb_snr_tab[i].val) {
*snr = vsb_snr_tab[i].data;
ret = 0;
......@@ -714,13 +719,13 @@ static int s5h1409_vsb_lookup_snr(struct dvb_frontend* fe, u16* snr, u16 v)
return ret;
}
static int s5h1409_read_snr(struct dvb_frontend* fe, u16* snr)
static int s5h1409_read_snr(struct dvb_frontend *fe, u16 *snr)
{
struct s5h1409_state* state = fe->demodulator_priv;
struct s5h1409_state *state = fe->demodulator_priv;
u16 reg;
dprintk("%s()\n", __func__);
switch(state->current_modulation) {
switch (state->current_modulation) {
case QAM_64:
reg = s5h1409_readreg(state, 0xf0) & 0xff;
return s5h1409_qam64_lookup_snr(fe, snr, reg);
......@@ -737,30 +742,30 @@ static int s5h1409_read_snr(struct dvb_frontend* fe, u16* snr)
return -EINVAL;
}
static int s5h1409_read_signal_strength(struct dvb_frontend* fe,
u16* signal_strength)
static int s5h1409_read_signal_strength(struct dvb_frontend *fe,
u16 *signal_strength)
{
return s5h1409_read_snr(fe, signal_strength);
}
static int s5h1409_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
static int s5h1409_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
{
struct s5h1409_state* state = fe->demodulator_priv;
struct s5h1409_state *state = fe->demodulator_priv;
*ucblocks = s5h1409_readreg(state, 0xb5);
return 0;
}
static int s5h1409_read_ber(struct dvb_frontend* fe, u32* ber)
static int s5h1409_read_ber(struct dvb_frontend *fe, u32 *ber)
{
return s5h1409_read_ucblocks(fe, ber);
}
static int s5h1409_get_frontend(struct dvb_frontend* fe,
static int s5h1409_get_frontend(struct dvb_frontend *fe,
struct dvb_frontend_parameters *p)
{
struct s5h1409_state* state = fe->demodulator_priv;
struct s5h1409_state *state = fe->demodulator_priv;
p->frequency = state->current_frequency;
p->u.vsb.modulation = state->current_modulation;
......@@ -768,25 +773,25 @@ static int s5h1409_get_frontend(struct dvb_frontend* fe,
return 0;
}
static int s5h1409_get_tune_settings(struct dvb_frontend* fe,
static int s5h1409_get_tune_settings(struct dvb_frontend *fe,
struct dvb_frontend_tune_settings *tune)
{
tune->min_delay_ms = 1000;
return 0;
}
static void s5h1409_release(struct dvb_frontend* fe)
static void s5h1409_release(struct dvb_frontend *fe)
{
struct s5h1409_state* state = fe->demodulator_priv;
struct s5h1409_state *state = fe->demodulator_priv;
kfree(state);
}
static struct dvb_frontend_ops s5h1409_ops;
struct dvb_frontend* s5h1409_attach(const struct s5h1409_config* config,
struct i2c_adapter* i2c)
struct dvb_frontend *s5h1409_attach(const struct s5h1409_config *config,
struct i2c_adapter *i2c)
{
struct s5h1409_state* state = NULL;
struct s5h1409_state *state = NULL;
u16 reg;
/* allocate memory for the internal state */
......@@ -825,6 +830,7 @@ struct dvb_frontend* s5h1409_attach(const struct s5h1409_config* config,
kfree(state);
return NULL;
}
EXPORT_SYMBOL(s5h1409_attach);
static struct dvb_frontend_ops s5h1409_ops = {
......@@ -850,14 +856,10 @@ static struct dvb_frontend_ops s5h1409_ops = {
.release = s5h1409_release,
};
module_param(debug, int, 0644);
MODULE_PARM_DESC(debug, "Enable verbose debug messages");
MODULE_DESCRIPTION("Samsung S5H1409 QAM-B/ATSC Demodulator driver");
MODULE_AUTHOR("Steven Toth");
MODULE_LICENSE("GPL");
EXPORT_SYMBOL(s5h1409_attach);
/*
* Local variables:
......
drivers/media/dvb/frontends/s5h1409.h
浏览文件 @ b7709c0d
......@@ -24,8 +24,7 @@
#include <linux/dvb/frontend.h>
struct s5h1409_config
{
struct s5h1409_config {
/* the demodulator's i2c address */
u8 demod_address;
......@@ -60,12 +59,14 @@ struct s5h1409_config
u16 mpeg_timing;
};
#if defined(CONFIG_DVB_S5H1409) || (defined(CONFIG_DVB_S5H1409_MODULE) && defined(MODULE))
extern struct dvb_frontend* s5h1409_attach(const struct s5h1409_config* config,
struct i2c_adapter* i2c);
#if defined(CONFIG_DVB_S5H1409) || (defined(CONFIG_DVB_S5H1409_MODULE) \
&& defined(MODULE))
extern struct dvb_frontend *s5h1409_attach(const struct s5h1409_config *config,
struct i2c_adapter *i2c);
#else
static inline struct dvb_frontend* s5h1409_attach(const struct s5h1409_config* config,
struct i2c_adapter* i2c)
static inline struct dvb_frontend *s5h1409_attach(
const struct s5h1409_config *config,
struct i2c_adapter *i2c)
{
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
return NULL;
......
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