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path: root/drivers/media/dvb/frontends/qt1010.c
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Diffstat (limited to 'drivers/media/dvb/frontends/qt1010.c')
-rw-r--r--drivers/media/dvb/frontends/qt1010.c69
1 files changed, 44 insertions, 25 deletions
diff --git a/drivers/media/dvb/frontends/qt1010.c b/drivers/media/dvb/frontends/qt1010.c
index 827cb0c625f9..825aa1412e6f 100644
--- a/drivers/media/dvb/frontends/qt1010.c
+++ b/drivers/media/dvb/frontends/qt1010.c
@@ -25,14 +25,19 @@ static int debug;
module_param(debug, int, 0644);
MODULE_PARM_DESC(debug, "Turn on/off debugging (default:off).");
-#define dprintk(args...) do { if (debug) {printk(KERN_DEBUG "QT1010: " args); printk("\n"); }} while (0)
+#define dprintk(args...) \
+ do { \
+ if (debug) printk(KERN_DEBUG "QT1010: " args); \
+ } while (0)
/* read single register */
static int qt1010_readreg(struct qt1010_priv *priv, u8 reg, u8 *val)
{
struct i2c_msg msg[2] = {
- { .addr = priv->cfg->i2c_address, .flags = 0, .buf = &reg, .len = 1 },
- { .addr = priv->cfg->i2c_address, .flags = I2C_M_RD, .buf = val, .len = 1 },
+ { .addr = priv->cfg->i2c_address,
+ .flags = 0, .buf = &reg, .len = 1 },
+ { .addr = priv->cfg->i2c_address,
+ .flags = I2C_M_RD, .buf = val, .len = 1 },
};
if (i2c_transfer(priv->i2c, msg, 2) != 2) {
@@ -46,9 +51,8 @@ static int qt1010_readreg(struct qt1010_priv *priv, u8 reg, u8 *val)
static int qt1010_writereg(struct qt1010_priv *priv, u8 reg, u8 val)
{
u8 buf[2] = { reg, val };
- struct i2c_msg msg = {
- .addr = priv->cfg->i2c_address, .flags = 0, .buf = buf, .len = 2
- };
+ struct i2c_msg msg = { .addr = priv->cfg->i2c_address,
+ .flags = 0, .buf = buf, .len = 2 };
if (i2c_transfer(priv->i2c, &msg, 1) != 1) {
printk(KERN_WARNING "qt1010 I2C write failed\n");
@@ -80,7 +84,8 @@ static void qt1010_dump_regs(struct qt1010_priv *priv)
printk("%s\n", buf);
}
-static int qt1010_set_params(struct dvb_frontend *fe, struct dvb_frontend_parameters *params)
+static int qt1010_set_params(struct dvb_frontend *fe,
+ struct dvb_frontend_parameters *params)
{
struct qt1010_priv *priv;
int err;
@@ -146,7 +151,8 @@ static int qt1010_set_params(struct dvb_frontend *fe, struct dvb_frontend_parame
freq = (div * QT1010_STEP) - QT1010_OFFSET;
mod1 = (freq + QT1010_OFFSET) % FREQ1;
mod2 = (freq + QT1010_OFFSET) % FREQ2;
- priv->bandwidth = (fe->ops.info.type == FE_OFDM) ? params->u.ofdm.bandwidth : 0;
+ priv->bandwidth =
+ (fe->ops.info.type == FE_OFDM) ? params->u.ofdm.bandwidth : 0;
priv->frequency = freq;
if (fe->ops.i2c_gate_ctrl)
@@ -227,8 +233,9 @@ static int qt1010_set_params(struct dvb_frontend *fe, struct dvb_frontend_parame
/* 00 */
rd[45].val = 0x92; /* TODO: correct value calculation */
- dprintk("freq:%u 05:%02x 07:%02x 09:%02x 0a:%02x 0b:%02x 1a:%02x 11:%02x " \
- "12:%02x 22:%02x 05:%02x 1f:%02x 20:%02x 25:%02x 00:%02x", \
+ dprintk("freq:%u 05:%02x 07:%02x 09:%02x 0a:%02x 0b:%02x " \
+ "1a:%02x 11:%02x 12:%02x 22:%02x 05:%02x 1f:%02x " \
+ "20:%02x 25:%02x 00:%02x", \
freq, rd[2].val, rd[4].val, rd[6].val, rd[7].val, rd[8].val, \
rd[10].val, rd[13].val, rd[14].val, rd[15].val, rd[35].val, \
rd[40].val, rd[41].val, rd[43].val, rd[45].val);
@@ -251,7 +258,8 @@ static int qt1010_set_params(struct dvb_frontend *fe, struct dvb_frontend_parame
return 0;
}
-static int qt1010_init_meas1(struct qt1010_priv *priv, u8 oper, u8 reg, u8 reg_init_val, u8 *retval)
+static int qt1010_init_meas1(struct qt1010_priv *priv,
+ u8 oper, u8 reg, u8 reg_init_val, u8 *retval)
{
u8 i, val1, val2;
int err;
@@ -265,7 +273,8 @@ static int qt1010_init_meas1(struct qt1010_priv *priv, u8 oper, u8 reg, u8 reg_i
for (i = 0; i < ARRAY_SIZE(i2c_data); i++) {
if (i2c_data[i].oper == QT1010_WR) {
- err = qt1010_writereg(priv, i2c_data[i].reg, i2c_data[i].val);
+ err = qt1010_writereg(priv, i2c_data[i].reg,
+ i2c_data[i].val);
} else {
err = qt1010_readreg(priv, i2c_data[i].reg, &val2);
}
@@ -283,7 +292,8 @@ static int qt1010_init_meas1(struct qt1010_priv *priv, u8 oper, u8 reg, u8 reg_i
return qt1010_writereg(priv, 0x1e, 0x00);
}
-static u8 qt1010_init_meas2(struct qt1010_priv *priv, u8 reg_init_val, u8 *retval)
+static u8 qt1010_init_meas2(struct qt1010_priv *priv,
+ u8 reg_init_val, u8 *retval)
{
u8 i, val;
int err;
@@ -298,7 +308,8 @@ static u8 qt1010_init_meas2(struct qt1010_priv *priv, u8 reg_init_val, u8 *retva
};
for (i = 0; i < ARRAY_SIZE(i2c_data); i++) {
if (i2c_data[i].oper == QT1010_WR) {
- err = qt1010_writereg(priv, i2c_data[i].reg, i2c_data[i].val);
+ err = qt1010_writereg(priv, i2c_data[i].reg,
+ i2c_data[i].val);
} else {
err = qt1010_readreg(priv, i2c_data[i].reg, &val);
}
@@ -358,19 +369,26 @@ static int qt1010_init(struct dvb_frontend *fe)
for (i = 0; i < ARRAY_SIZE(i2c_data); i++) {
switch (i2c_data[i].oper) {
case QT1010_WR:
- err = qt1010_writereg(priv, i2c_data[i].reg, i2c_data[i].val);
+ err = qt1010_writereg(priv, i2c_data[i].reg,
+ i2c_data[i].val);
break;
case QT1010_RD:
- if (i2c_data[i].val == 0x20) valptr = &priv->reg20_init_val;
- else valptr = &tmpval;
+ if (i2c_data[i].val == 0x20)
+ valptr = &priv->reg20_init_val;
+ else
+ valptr = &tmpval;
err = qt1010_readreg(priv, i2c_data[i].reg, valptr);
break;
case QT1010_M1:
- if (i2c_data[i].val == 0x25) valptr = &priv->reg25_init_val;
- else if (i2c_data[i].val == 0x1f) valptr = &priv->reg1f_init_val;
- else valptr = &tmpval;
- err = qt1010_init_meas1(priv, i2c_data[i+1].reg, i2c_data[i].reg,
- i2c_data[i].val, valptr);
+ if (i2c_data[i].val == 0x25)
+ valptr = &priv->reg25_init_val;
+ else if (i2c_data[i].val == 0x1f)
+ valptr = &priv->reg1f_init_val;
+ else
+ valptr = &tmpval;
+ err = qt1010_init_meas1(priv, i2c_data[i+1].reg,
+ i2c_data[i].reg,
+ i2c_data[i].val, valptr);
i++;
break;
}
@@ -435,8 +453,8 @@ struct dvb_frontend * qt1010_attach(struct dvb_frontend *fe,
if (priv == NULL)
return NULL;
- priv->cfg = cfg;
- priv->i2c = i2c;
+ priv->cfg = cfg;
+ priv->i2c = i2c;
if (fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 1); /* open i2c_gate */
@@ -452,7 +470,8 @@ struct dvb_frontend * qt1010_attach(struct dvb_frontend *fe,
fe->ops.i2c_gate_ctrl(fe, 0); /* close i2c_gate */
printk(KERN_INFO "Quantek QT1010 successfully identified.\n");
- memcpy(&fe->ops.tuner_ops, &qt1010_tuner_ops, sizeof(struct dvb_tuner_ops));
+ memcpy(&fe->ops.tuner_ops, &qt1010_tuner_ops,
+ sizeof(struct dvb_tuner_ops));
fe->tuner_priv = priv;
return fe;
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-25 18:41:46 +0100