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cxd2856er.c
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// SPDX-License-Identifier: GPL-2.0-only
/*
* Sony CXD2856ER driver (cxd2856er.c)
*
* Copyright (c) 2018-2021 nns779
*/
#include "print_format.h"
#include "cxd2856er.h"
#ifdef __linux__
#include <linux/delay.h>
#endif
int cxd2856er_read_regs(struct cxd2856er_demod *demod,
enum cxd2856er_i2c_target target,
u8 reg, u8 *buf, int len)
{
u8 b, addr;
struct i2c_comm_request req[2];
if (!buf || !len)
return -EINVAL;
b = reg;
addr = (target == CXD2856ER_I2C_SLVT) ? demod->i2c_addr.slvt
: demod->i2c_addr.slvx;
req[0].req = I2C_WRITE_REQUEST;
req[0].addr = addr;
req[0].data = &b;
req[0].len = 1;
req[1].req = I2C_READ_REQUEST;
req[1].addr = addr;
req[1].data = buf;
req[1].len = len;
return i2c_comm_master_request(demod->i2c, req, 2);
}
int cxd2856er_write_regs(struct cxd2856er_demod *demod,
enum cxd2856er_i2c_target target,
u8 reg, u8 *buf, int len)
{
u8 b[255], addr;
struct i2c_comm_request req[1];
if (!buf || !len || len > 254)
return -EINVAL;
b[0] = reg;
memcpy(&b[1], buf, len);
addr = (target == CXD2856ER_I2C_SLVT) ? demod->i2c_addr.slvt
: demod->i2c_addr.slvx;
req[0].req = I2C_WRITE_REQUEST;
req[0].addr = addr;
req[0].data = b;
req[0].len = 1 + len;
return i2c_comm_master_request(demod->i2c, req, 1);
}
int cxd2856er_write_reg_mask(struct cxd2856er_demod *demod,
enum cxd2856er_i2c_target target,
u8 reg, u8 val, u8 mask)
{
int ret = 0;
u8 tmp;
if (!mask)
return -EINVAL;
if (mask != 0xff) {
ret = cxd2856er_read_regs(demod, target, reg, &tmp, 1);
if (ret)
return ret;
tmp &= ~mask;
tmp |= (val & mask);
} else {
tmp = val;
}
return cxd2856er_write_regs(demod, target, reg, &tmp, 1);
}
static int cxd2856er_i2c_master_gate_ctrl(void *i2c_priv, bool open)
{
struct cxd2856er_demod *demod = i2c_priv;
return cxd2856er_write_slvx_reg(demod, 0x08, (open) ? 0x01: 0x00);
}
static int cxd2856er_i2c_master_request(void *i2c_priv,
const struct i2c_comm_request *req,
int num)
{
struct cxd2856er_demod *demod = i2c_priv;
/* through */
return i2c_comm_master_request(demod->i2c, req, num);
}
int cxd2856er_init(struct cxd2856er_demod *demod)
{
int ret = 0;
if (!demod->dev || !demod->i2c)
return -EINVAL;
if (!demod->i2c_addr.slvx || !demod->i2c_addr.slvt)
return -EINVAL;
if (demod->config.xtal != 24000)
return -EINVAL;
demod->i2c_master.gate_ctrl = cxd2856er_i2c_master_gate_ctrl;
demod->i2c_master.request = cxd2856er_i2c_master_request;
demod->i2c_master.priv = demod;
demod->state = CXD2856ER_UNKNOWN_STATE;
demod->system = CXD2856ER_UNSPECIFIED_SYSTEM;
ret = cxd2856er_write_slvx_reg(demod, 0x00, 0x00);
if (ret)
return ret;
ret = cxd2856er_write_slvx_reg(demod, 0x10, 0x01);
if (ret)
return ret;
ret = cxd2856er_write_slvx_reg(demod, 0x18, 0x01);
if (ret)
return ret;
ret = cxd2856er_write_slvx_reg(demod, 0x28, 0x13);
if (ret)
return ret;
ret = cxd2856er_write_slvx_reg(demod, 0x17, 0x01);
if (ret)
return ret;
ret = cxd2856er_write_slvx_reg(demod, 0x1d, 0x00);
if (ret)
return ret;
/* 24MHz */
ret = cxd2856er_write_slvx_reg(demod, 0x14, 0x01);
if (ret)
return ret;
ret = cxd2856er_write_slvx_reg(demod, 0x1c, 0x03);
if (ret)
return ret;
msleep(4);
ret = cxd2856er_write_slvx_reg(demod, 0x50, 0x00);
if (ret)
return ret;
msleep(1);
ret = cxd2856er_write_slvx_reg(demod, 0x10, 0x00);
if (ret)
return ret;
msleep(1);
demod->state = CXD2856ER_SLEEP_STATE;
ret = cxd2856er_write_slvx_reg(demod, 0x00, 0x00);
if (ret)
return ret;
ret = cxd2856er_write_slvx_reg(demod,
0x1a, (demod->config.tuner_i2c) ? 0x01 : 0x00);
if (ret)
return ret;
return 0;
}
int cxd2856er_term(struct cxd2856er_demod *demod)
{
cxd2856er_sleep(demod);
demod->i2c_master.gate_ctrl = NULL;
demod->i2c_master.request = NULL;
demod->i2c_master.priv = NULL;
return 0;
}
static int cxd2856er_set_ts_clock(struct cxd2856er_demod *demod,
enum cxd2856er_system system)
{
int ret = 0;
u8 tmp;
ret = cxd2856er_write_slvt_reg(demod, 0x00, 0x00);
if (ret)
return ret;
ret = cxd2856er_read_slvt_reg(demod, 0xc4, &tmp);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg_mask(demod, 0xd3, 0x01, 0x01);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg_mask(demod, 0xde, 0x00, 0x01);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg_mask(demod, 0xda, 0x00, 0x01);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg_mask(demod, 0xc4, 0x00, 0x03);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg_mask(demod, 0xd1, 0x02, 0x03);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0xd9, 0x10);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg_mask(demod, 0x32, 0x00, 0x01);
if (ret)
return ret;
switch (system) {
case CXD2856ER_ISDB_T_SYSTEM:
ret = cxd2856er_write_slvt_reg_mask(demod, 0x33, 0x02, 0x03);
break;
case CXD2856ER_ISDB_S_SYSTEM:
ret = cxd2856er_write_slvt_reg_mask(demod, 0x33, 0x00, 0x03);
break;
default:
ret = -EINVAL;
break;
}
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg_mask(demod, 0x32, 0x01, 0x01);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0x00, 0x10);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg_mask(demod, 0x66, 0x01, 0x01);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0x00, 0x40);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg_mask(demod, 0x66, 0x01, 0x01);
if (ret)
return ret;
return 0;
}
static int cxd2856er_set_ts_pin_state(struct cxd2856er_demod *demod,
bool state)
{
int ret = 0;
u8 tmp, mask;
ret = cxd2856er_write_slvt_reg(demod, 0x00, 0x00);
if (ret)
return ret;
ret = cxd2856er_read_slvt_reg(demod, 0xc4, &tmp);
if (ret)
return ret;
if ((tmp & 0x88) == 0x80)
mask = 0x01;
else if ((tmp & 0x88) == 0x88)
mask = 0x80;
else
mask = 0xff;
ret = cxd2856er_write_slvt_reg(demod, 0x00, 0x00);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg_mask(demod,
0x81, (state) ? 0x00 : 0xff, mask);
if (ret)
return ret;
return 0;
}
static int cxd2856er_sleep_isdbt(struct cxd2856er_demod *demod)
{
int ret = 0;
u8 data[2];
ret = cxd2856er_write_slvt_reg(demod, 0x00, 0x00);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0xc3, 0x01);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg_mask(demod, 0x80, 0x1f, 0x1f);
if (ret)
return ret;
ret = cxd2856er_set_ts_pin_state(demod, false);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0x00, 0x10);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0x69, 0x05);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0x6b, 0x07);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0x9d, 0x14);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0xd3, 0x00);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0xed, 0x01);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0xe2, 0x4e);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0xf2, 0x03);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0xde, 0x32);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0x00, 0x15);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0xde, 0x03);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0x00, 0x17);
if (ret)
return ret;
data[0] = 0x01;
data[1] = 0x00;
ret = cxd2856er_write_slvt_regs(demod, 0x38, data, 2);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0x00, 0x1e);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0x73, 0x00);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0x00, 0x63);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0x81, 0x01);
if (ret)
return ret;
ret = cxd2856er_write_slvx_reg(demod, 0x00, 0x00);
if (ret)
return ret;
ret = cxd2856er_write_slvx_reg(demod, 0x18, 0x01);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0x00, 0x00);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0x49, 0x33);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0x4b, 0x21);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0xfe, 0x01);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0x2c, 0x00);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0xa9, 0x00);
if (ret)
return ret;
ret = cxd2856er_write_slvx_reg(demod, 0x17, 0x01);
if (ret)
return ret;
return 0;
}
static int cxd2856er_sleep_isdbs(struct cxd2856er_demod *demod)
{
int ret = 0;
ret = cxd2856er_write_slvt_reg(demod, 0x00, 0x00);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0xc3, 0x01);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg_mask(demod, 0x80, 0x1f, 0x1f);
if (ret)
return ret;
ret = cxd2856er_set_ts_pin_state(demod, false);
if (ret)
return ret;
ret = cxd2856er_write_slvx_reg(demod, 0x00, 0x00);
if (ret)
return ret;
ret = cxd2856er_write_slvx_reg(demod, 0x18, 0x01);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0x00, 0x00);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0x6a, 0x11);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0x4b, 0x21);
if (ret)
return ret;
ret = cxd2856er_write_slvx_reg(demod, 0x28, 0x13);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0xfe, 0x01);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0x2c, 0x00);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0xa9, 0x00);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0x2d, 0x00);
if (ret)
return ret;
ret = cxd2856er_write_slvx_reg(demod, 0x17, 0x01);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0x00, 0xa0);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0xd7, 0x00);
if (ret)
return ret;
return 0;
}
int cxd2856er_sleep(struct cxd2856er_demod *demod)
{
if (demod->state == CXD2856ER_SLEEP_STATE)
return -EALREADY;
switch (demod->system) {
case CXD2856ER_ISDB_T_SYSTEM:
cxd2856er_sleep_isdbt(demod);
break;
case CXD2856ER_ISDB_S_SYSTEM:
cxd2856er_sleep_isdbs(demod);
break;
default:
break;
}
demod->state = CXD2856ER_SLEEP_STATE;
demod->system = CXD2856ER_UNSPECIFIED_SYSTEM;
return 0;
}
static int cxd2856er_set_bandwidth_isdbt(struct cxd2856er_demod *demod,
u32 bandwidth)
{
int ret = 0;
u8 data[14];
ret = cxd2856er_write_slvt_reg(demod, 0x00, 0x10);
if (ret)
return ret;
switch (bandwidth) {
case 6:
data[0] = 0x17;
data[1] = 0xa0;
data[2] = 0x80;
data[3] = 0x00;
data[4] = 0x00;
ret = cxd2856er_write_slvt_regs(demod, 0x9f, data, 5);
if (ret)
break;
data[0] = 0x31;
data[1] = 0xa8;
data[2] = 0x29;
data[3] = 0x9b;
data[4] = 0x27;
data[5] = 0x9c;
data[6] = 0x28;
data[7] = 0x9e;
data[8] = 0x29;
data[9] = 0xa4;
data[10] = 0x29;
data[11] = 0xa2;
data[12] = 0x29;
data[13] = 0xa8;
ret = cxd2856er_write_slvt_regs(demod, 0xa6, data, 14);
if (ret)
break;
data[0] = 0x12;
data[1] = 0xee;
data[2] = 0xef;
ret = cxd2856er_write_slvt_regs(demod, 0xb6, data, 3);
if (ret)
break;
ret = cxd2856er_write_slvt_reg(demod, 0xd7, 0x04);
if (ret)
break;
data[0] = 0x1f;
data[1] = 0x79;
ret = cxd2856er_write_slvt_regs(demod, 0xd9, data, 2);
if (ret)
break;
ret = cxd2856er_write_slvt_reg(demod, 0x00, 0x12);
if (ret)
break;
ret = cxd2856er_write_slvt_reg(demod, 0x71, 0x07);
if (ret)
break;
ret = cxd2856er_write_slvt_reg(demod, 0x00, 0x15);
if (ret)
break;
ret = cxd2856er_write_slvt_reg(demod, 0xbe, 0x02);
if (ret)
break;
break;
default:
ret = -EINVAL;
break;
}
return ret;
}
static int cxd2856er_wakeup_isdbt(struct cxd2856er_demod *demod,
union cxd2856er_system_params *params)
{
int ret = 0;
u8 data[3];
ret = cxd2856er_set_ts_clock(demod, CXD2856ER_ISDB_T_SYSTEM);
if (ret)
return ret;
ret = cxd2856er_write_slvx_reg(demod, 0x00, 0x00);
if (ret)
return ret;
ret = cxd2856er_write_slvx_reg(demod, 0x17, 0x06);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0x00, 0x00);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0xa9, 0x00);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0x2c, 0x01);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0x4b, 0x74);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0x49, 0x00);
if (ret)
return ret;
ret = cxd2856er_write_slvx_reg(demod, 0x18, 0x00);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0x00, 0x11);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0x6a, 0x50);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0x00, 0x10);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0xa5, 0x01);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0x00, 0x00);
if (ret)
return ret;
data[0] = 0x00;
data[1] = 0x00;
ret = cxd2856er_write_slvt_regs(demod, 0xce, data, 2);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0x00, 0x10);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0x69, 0x04);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0x6b, 0x03);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0x9d, 0x50);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0xd3, 0x06);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0xed, 0x00);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0xe2, 0xce);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0xf2, 0x13);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0xde, 0x2e);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0x00, 0x15);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0xde, 0x02);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0x00, 0x17);
if (ret)
return ret;
data[0] = 0x00;
data[1] = 0x03;
ret = cxd2856er_write_slvt_regs(demod, 0x38, data, 2);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0x00, 0x1e);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0x73, 0x68);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0x00, 0x63);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0x81, 0x00);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0x00, 0x11);
if (ret)
return ret;
data[0] = 0x00;
data[1] = 0x03;
data[2] = 0x3b;
ret = cxd2856er_write_slvt_regs(demod, 0x33, data, 3);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0x00, 0x60);
if (ret)
return ret;
data[0] = 0xb7;
data[1] = 0x1b;
ret = cxd2856er_write_slvt_regs(demod, 0xa8, data, 2);
if (ret)
return ret;
ret = cxd2856er_set_bandwidth_isdbt(demod, params->bandwidth);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0x00, 0x00);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg_mask(demod, 0x80, 0x08, 0x1f);
if (ret)
return ret;
ret = cxd2856er_set_ts_pin_state(demod, true);
if (ret)
return ret;
return 0;
}
static int cxd2856er_wakeup_isdbs(struct cxd2856er_demod *demod)
{
int ret = 0;
u8 data[3];
ret = cxd2856er_set_ts_clock(demod, CXD2856ER_ISDB_S_SYSTEM);
if (ret)
return ret;
ret = cxd2856er_write_slvx_reg(demod, 0x00, 0x00);
if (ret)
return ret;
ret = cxd2856er_write_slvx_reg(demod, 0x17, 0x0c);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0x00, 0x00);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0x2d, 0x00);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0xa9, 0x00);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0x2c, 0x01);
if (ret)
return ret;
ret = cxd2856er_write_slvx_reg(demod, 0x28, 0x31);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0x4b, 0x31);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0x6a, 0x00);
if (ret)
return ret;
ret = cxd2856er_write_slvx_reg(demod, 0x18, 0x00);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0x00, 0x00);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0x20, 0x01);
if (ret)
return ret;
data[0] = 0x00;
data[1] = 0x00;
ret = cxd2856er_write_slvt_regs(demod, 0xce, data, 2);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0x00, 0xae);
if (ret)
return ret;
data[0] = 0x07;
data[1] = 0x37;
data[2] = 0x0a;
ret = cxd2856er_write_slvt_regs(demod, 0x20, data, 3);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0x00, 0xa0);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0xd7, 0x00);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0x00, 0x00);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg_mask(demod, 0x80, 0x10, 0x1f);
if (ret)
return ret;
ret = cxd2856er_set_ts_pin_state(demod, true);
if (ret)
return ret;
return 0;
}
static int cxd2856er_reset_isdbt(struct cxd2856er_demod *demod,
union cxd2856er_system_params *params)
{
int ret = 0;
ret = cxd2856er_write_slvt_reg(demod, 0x00, 0x00);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0xc3, 0x01);
if (ret)
return ret;
ret = cxd2856er_set_bandwidth_isdbt(demod, params->bandwidth);
if (ret)
return ret;
return 0;
}
static int cxd2856er_reset_isdbs(struct cxd2856er_demod *demod)
{
int ret = 0;
ret = cxd2856er_write_slvt_reg(demod, 0x00, 0x00);
if (ret)
return ret;
ret = cxd2856er_write_slvt_reg(demod, 0xc3, 0x01);
if (ret)
return ret;
return 0;
}
int cxd2856er_wakeup(struct cxd2856er_demod *demod,
enum cxd2856er_system system,
union cxd2856er_system_params *params)
{
int ret = 0;
if (demod->state == CXD2856ER_ACTIVE_STATE) {
if (demod->system == system) {
switch (system) {
case CXD2856ER_ISDB_T_SYSTEM:
ret = cxd2856er_reset_isdbt(demod, params);
break;
case CXD2856ER_ISDB_S_SYSTEM:
ret = cxd2856er_reset_isdbs(demod);
break;
default:
ret = -EINVAL;
break;
}
return ret;
}
cxd2856er_sleep(demod);
}
switch (system) {
case CXD2856ER_ISDB_T_SYSTEM:
ret = cxd2856er_wakeup_isdbt(demod, params);
break;
case CXD2856ER_ISDB_S_SYSTEM:
ret = cxd2856er_wakeup_isdbs(demod);
break;
default:
ret = -EINVAL;
break;
}
if (!ret) {
demod->system = system;
demod->state = CXD2856ER_ACTIVE_STATE;
}
return ret;
}
int cxd2856er_post_tune(struct cxd2856er_demod *demod)
{
int ret = 0;
ret = cxd2856er_write_slvt_reg(demod, 0x00, 0x00);
if (ret)