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linux/drivers/media/tuners/tda18271-common.c
Peter Senna Tschudin a719d69399 [media] drivers/media/tuners/tda18271-common.c: removes unnecessary semicolon 
removes unnecessary semicolon
Found by Coccinelle: http://coccinelle.lip6.fr/

Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-09-23 17:04:28 -03:00

704 lines
18 KiB
C
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/*
tda18271-common.c - driver for the Philips / NXP TDA18271 silicon tuner
Copyright (C) 2007, 2008 Michael Krufky <mkrufky@linuxtv.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "tda18271-priv.h"
static int tda18271_i2c_gate_ctrl(struct dvb_frontend *fe, int enable)
{
struct tda18271_priv *priv = fe->tuner_priv;
enum tda18271_i2c_gate gate;
int ret = 0;
switch (priv->gate) {
case TDA18271_GATE_DIGITAL:
case TDA18271_GATE_ANALOG:
gate = priv->gate;
break;
case TDA18271_GATE_AUTO:
default:
switch (priv->mode) {
case TDA18271_DIGITAL:
gate = TDA18271_GATE_DIGITAL;
break;
case TDA18271_ANALOG:
default:
gate = TDA18271_GATE_ANALOG;
break;
}
}
switch (gate) {
case TDA18271_GATE_ANALOG:
if (fe->ops.analog_ops.i2c_gate_ctrl)
ret = fe->ops.analog_ops.i2c_gate_ctrl(fe, enable);
break;
case TDA18271_GATE_DIGITAL:
if (fe->ops.i2c_gate_ctrl)
ret = fe->ops.i2c_gate_ctrl(fe, enable);
break;
default:
ret = -EINVAL;
break;
}
return ret;
};
/*---------------------------------------------------------------------*/
static void tda18271_dump_regs(struct dvb_frontend *fe, int extended)
{
struct tda18271_priv *priv = fe->tuner_priv;
unsigned char *regs = priv->tda18271_regs;
tda_reg("=== TDA18271 REG DUMP ===\n");
tda_reg("ID_BYTE = 0x%02x\n", 0xff & regs[R_ID]);
tda_reg("THERMO_BYTE = 0x%02x\n", 0xff & regs[R_TM]);
tda_reg("POWER_LEVEL_BYTE = 0x%02x\n", 0xff & regs[R_PL]);
tda_reg("EASY_PROG_BYTE_1 = 0x%02x\n", 0xff & regs[R_EP1]);
tda_reg("EASY_PROG_BYTE_2 = 0x%02x\n", 0xff & regs[R_EP2]);
tda_reg("EASY_PROG_BYTE_3 = 0x%02x\n", 0xff & regs[R_EP3]);
tda_reg("EASY_PROG_BYTE_4 = 0x%02x\n", 0xff & regs[R_EP4]);
tda_reg("EASY_PROG_BYTE_5 = 0x%02x\n", 0xff & regs[R_EP5]);
tda_reg("CAL_POST_DIV_BYTE = 0x%02x\n", 0xff & regs[R_CPD]);
tda_reg("CAL_DIV_BYTE_1 = 0x%02x\n", 0xff & regs[R_CD1]);
tda_reg("CAL_DIV_BYTE_2 = 0x%02x\n", 0xff & regs[R_CD2]);
tda_reg("CAL_DIV_BYTE_3 = 0x%02x\n", 0xff & regs[R_CD3]);
tda_reg("MAIN_POST_DIV_BYTE = 0x%02x\n", 0xff & regs[R_MPD]);
tda_reg("MAIN_DIV_BYTE_1 = 0x%02x\n", 0xff & regs[R_MD1]);
tda_reg("MAIN_DIV_BYTE_2 = 0x%02x\n", 0xff & regs[R_MD2]);
tda_reg("MAIN_DIV_BYTE_3 = 0x%02x\n", 0xff & regs[R_MD3]);
/* only dump extended regs if DBG_ADV is set */
if (!(tda18271_debug & DBG_ADV))
return;
/* W indicates write-only registers.
* Register dump for write-only registers shows last value written. */
tda_reg("EXTENDED_BYTE_1 = 0x%02x\n", 0xff & regs[R_EB1]);
tda_reg("EXTENDED_BYTE_2 = 0x%02x\n", 0xff & regs[R_EB2]);
tda_reg("EXTENDED_BYTE_3 = 0x%02x\n", 0xff & regs[R_EB3]);
tda_reg("EXTENDED_BYTE_4 = 0x%02x\n", 0xff & regs[R_EB4]);
tda_reg("EXTENDED_BYTE_5 = 0x%02x\n", 0xff & regs[R_EB5]);
tda_reg("EXTENDED_BYTE_6 = 0x%02x\n", 0xff & regs[R_EB6]);
tda_reg("EXTENDED_BYTE_7 = 0x%02x\n", 0xff & regs[R_EB7]);
tda_reg("EXTENDED_BYTE_8 = 0x%02x\n", 0xff & regs[R_EB8]);
tda_reg("EXTENDED_BYTE_9 W = 0x%02x\n", 0xff & regs[R_EB9]);
tda_reg("EXTENDED_BYTE_10 = 0x%02x\n", 0xff & regs[R_EB10]);
tda_reg("EXTENDED_BYTE_11 = 0x%02x\n", 0xff & regs[R_EB11]);
tda_reg("EXTENDED_BYTE_12 = 0x%02x\n", 0xff & regs[R_EB12]);
tda_reg("EXTENDED_BYTE_13 = 0x%02x\n", 0xff & regs[R_EB13]);
tda_reg("EXTENDED_BYTE_14 = 0x%02x\n", 0xff & regs[R_EB14]);
tda_reg("EXTENDED_BYTE_15 = 0x%02x\n", 0xff & regs[R_EB15]);
tda_reg("EXTENDED_BYTE_16 W = 0x%02x\n", 0xff & regs[R_EB16]);
tda_reg("EXTENDED_BYTE_17 W = 0x%02x\n", 0xff & regs[R_EB17]);
tda_reg("EXTENDED_BYTE_18 = 0x%02x\n", 0xff & regs[R_EB18]);
tda_reg("EXTENDED_BYTE_19 W = 0x%02x\n", 0xff & regs[R_EB19]);
tda_reg("EXTENDED_BYTE_20 W = 0x%02x\n", 0xff & regs[R_EB20]);
tda_reg("EXTENDED_BYTE_21 = 0x%02x\n", 0xff & regs[R_EB21]);
tda_reg("EXTENDED_BYTE_22 = 0x%02x\n", 0xff & regs[R_EB22]);
tda_reg("EXTENDED_BYTE_23 = 0x%02x\n", 0xff & regs[R_EB23]);
}
int tda18271_read_regs(struct dvb_frontend *fe)
{
struct tda18271_priv *priv = fe->tuner_priv;
unsigned char *regs = priv->tda18271_regs;
unsigned char buf = 0x00;
int ret;
struct i2c_msg msg[] = {
{ .addr = priv->i2c_props.addr, .flags = 0,
.buf = &buf, .len = 1 },
{ .addr = priv->i2c_props.addr, .flags = I2C_M_RD,
.buf = regs, .len = 16 }
};
tda18271_i2c_gate_ctrl(fe, 1);
/* read all registers */
ret = i2c_transfer(priv->i2c_props.adap, msg, 2);
tda18271_i2c_gate_ctrl(fe, 0);
if (ret != 2)
tda_err("ERROR: i2c_transfer returned: %d\n", ret);
if (tda18271_debug & DBG_REG)
tda18271_dump_regs(fe, 0);
return (ret == 2 ? 0 : ret);
}
int tda18271_read_extended(struct dvb_frontend *fe)
{
struct tda18271_priv *priv = fe->tuner_priv;
unsigned char *regs = priv->tda18271_regs;
unsigned char regdump[TDA18271_NUM_REGS];
unsigned char buf = 0x00;
int ret, i;
struct i2c_msg msg[] = {
{ .addr = priv->i2c_props.addr, .flags = 0,
.buf = &buf, .len = 1 },
{ .addr = priv->i2c_props.addr, .flags = I2C_M_RD,
.buf = regdump, .len = TDA18271_NUM_REGS }
};
tda18271_i2c_gate_ctrl(fe, 1);
/* read all registers */
ret = i2c_transfer(priv->i2c_props.adap, msg, 2);
tda18271_i2c_gate_ctrl(fe, 0);
if (ret != 2)
tda_err("ERROR: i2c_transfer returned: %d\n", ret);
for (i = 0; i < TDA18271_NUM_REGS; i++) {
/* don't update write-only registers */
if ((i != R_EB9) &&
(i != R_EB16) &&
(i != R_EB17) &&
(i != R_EB19) &&
(i != R_EB20))
regs[i] = regdump[i];
}
if (tda18271_debug & DBG_REG)
tda18271_dump_regs(fe, 1);
return (ret == 2 ? 0 : ret);
}
int tda18271_write_regs(struct dvb_frontend *fe, int idx, int len)
{
struct tda18271_priv *priv = fe->tuner_priv;
unsigned char *regs = priv->tda18271_regs;
unsigned char buf[TDA18271_NUM_REGS + 1];
struct i2c_msg msg = { .addr = priv->i2c_props.addr, .flags = 0,
.buf = buf };
int i, ret = 1, max;
BUG_ON((len == 0) || (idx + len > sizeof(buf)));
switch (priv->small_i2c) {
case TDA18271_03_BYTE_CHUNK_INIT:
max = 3;
break;
case TDA18271_08_BYTE_CHUNK_INIT:
max = 8;
break;
case TDA18271_16_BYTE_CHUNK_INIT:
max = 16;
break;
case TDA18271_39_BYTE_CHUNK_INIT:
default:
max = 39;
}
tda18271_i2c_gate_ctrl(fe, 1);
while (len) {
if (max > len)
max = len;
buf[0] = idx;
for (i = 1; i <= max; i++)
buf[i] = regs[idx - 1 + i];
msg.len = max + 1;
/* write registers */
ret = i2c_transfer(priv->i2c_props.adap, &msg, 1);
if (ret != 1)
break;
idx += max;
len -= max;
}
tda18271_i2c_gate_ctrl(fe, 0);
if (ret != 1)
tda_err("ERROR: idx = 0x%x, len = %d, "
"i2c_transfer returned: %d\n", idx, max, ret);
return (ret == 1 ? 0 : ret);
}
/*---------------------------------------------------------------------*/
int tda18271_charge_pump_source(struct dvb_frontend *fe,
enum tda18271_pll pll, int force)
{
struct tda18271_priv *priv = fe->tuner_priv;
unsigned char *regs = priv->tda18271_regs;
int r_cp = (pll == TDA18271_CAL_PLL) ? R_EB7 : R_EB4;
regs[r_cp] &= ~0x20;
regs[r_cp] |= ((force & 1) << 5);
return tda18271_write_regs(fe, r_cp, 1);
}
int tda18271_init_regs(struct dvb_frontend *fe)
{
struct tda18271_priv *priv = fe->tuner_priv;
unsigned char *regs = priv->tda18271_regs;
tda_dbg("initializing registers for device @ %d-%04x\n",
i2c_adapter_id(priv->i2c_props.adap),
priv->i2c_props.addr);
/* initialize registers */
switch (priv->id) {
case TDA18271HDC1:
regs[R_ID] = 0x83;
break;
case TDA18271HDC2:
regs[R_ID] = 0x84;
break;
}
regs[R_TM] = 0x08;
regs[R_PL] = 0x80;
regs[R_EP1] = 0xc6;
regs[R_EP2] = 0xdf;
regs[R_EP3] = 0x16;
regs[R_EP4] = 0x60;
regs[R_EP5] = 0x80;
regs[R_CPD] = 0x80;
regs[R_CD1] = 0x00;
regs[R_CD2] = 0x00;
regs[R_CD3] = 0x00;
regs[R_MPD] = 0x00;
regs[R_MD1] = 0x00;
regs[R_MD2] = 0x00;
regs[R_MD3] = 0x00;
switch (priv->id) {
case TDA18271HDC1:
regs[R_EB1] = 0xff;
break;
case TDA18271HDC2:
regs[R_EB1] = 0xfc;
break;
}
regs[R_EB2] = 0x01;
regs[R_EB3] = 0x84;
regs[R_EB4] = 0x41;
regs[R_EB5] = 0x01;
regs[R_EB6] = 0x84;
regs[R_EB7] = 0x40;
regs[R_EB8] = 0x07;
regs[R_EB9] = 0x00;
regs[R_EB10] = 0x00;
regs[R_EB11] = 0x96;
switch (priv->id) {
case TDA18271HDC1:
regs[R_EB12] = 0x0f;
break;
case TDA18271HDC2:
regs[R_EB12] = 0x33;
break;
}
regs[R_EB13] = 0xc1;
regs[R_EB14] = 0x00;
regs[R_EB15] = 0x8f;
regs[R_EB16] = 0x00;
regs[R_EB17] = 0x00;
switch (priv->id) {
case TDA18271HDC1:
regs[R_EB18] = 0x00;
break;
case TDA18271HDC2:
regs[R_EB18] = 0x8c;
break;
}
regs[R_EB19] = 0x00;
regs[R_EB20] = 0x20;
switch (priv->id) {
case TDA18271HDC1:
regs[R_EB21] = 0x33;
break;
case TDA18271HDC2:
regs[R_EB21] = 0xb3;
break;
}
regs[R_EB22] = 0x48;
regs[R_EB23] = 0xb0;
tda18271_write_regs(fe, 0x00, TDA18271_NUM_REGS);
/* setup agc1 gain */
regs[R_EB17] = 0x00;
tda18271_write_regs(fe, R_EB17, 1);
regs[R_EB17] = 0x03;
tda18271_write_regs(fe, R_EB17, 1);
regs[R_EB17] = 0x43;
tda18271_write_regs(fe, R_EB17, 1);
regs[R_EB17] = 0x4c;
tda18271_write_regs(fe, R_EB17, 1);
/* setup agc2 gain */
if ((priv->id) == TDA18271HDC1) {
regs[R_EB20] = 0xa0;
tda18271_write_regs(fe, R_EB20, 1);
regs[R_EB20] = 0xa7;
tda18271_write_regs(fe, R_EB20, 1);
regs[R_EB20] = 0xe7;
tda18271_write_regs(fe, R_EB20, 1);
regs[R_EB20] = 0xec;
tda18271_write_regs(fe, R_EB20, 1);
}
/* image rejection calibration */
/* low-band */
regs[R_EP3] = 0x1f;
regs[R_EP4] = 0x66;
regs[R_EP5] = 0x81;
regs[R_CPD] = 0xcc;
regs[R_CD1] = 0x6c;
regs[R_CD2] = 0x00;
regs[R_CD3] = 0x00;
regs[R_MPD] = 0xcd;
regs[R_MD1] = 0x77;
regs[R_MD2] = 0x08;
regs[R_MD3] = 0x00;
tda18271_write_regs(fe, R_EP3, 11);
if ((priv->id) == TDA18271HDC2) {
/* main pll cp source on */
tda18271_charge_pump_source(fe, TDA18271_MAIN_PLL, 1);
msleep(1);
/* main pll cp source off */
tda18271_charge_pump_source(fe, TDA18271_MAIN_PLL, 0);
}
msleep(5); /* pll locking */
/* launch detector */
tda18271_write_regs(fe, R_EP1, 1);
msleep(5); /* wanted low measurement */
regs[R_EP5] = 0x85;
regs[R_CPD] = 0xcb;
regs[R_CD1] = 0x66;
regs[R_CD2] = 0x70;
tda18271_write_regs(fe, R_EP3, 7);
msleep(5); /* pll locking */
/* launch optimization algorithm */
tda18271_write_regs(fe, R_EP2, 1);
msleep(30); /* image low optimization completion */
/* mid-band */
regs[R_EP5] = 0x82;
regs[R_CPD] = 0xa8;
regs[R_CD2] = 0x00;
regs[R_MPD] = 0xa9;
regs[R_MD1] = 0x73;
regs[R_MD2] = 0x1a;
tda18271_write_regs(fe, R_EP3, 11);
msleep(5); /* pll locking */
/* launch detector */
tda18271_write_regs(fe, R_EP1, 1);
msleep(5); /* wanted mid measurement */
regs[R_EP5] = 0x86;
regs[R_CPD] = 0xa8;
regs[R_CD1] = 0x66;
regs[R_CD2] = 0xa0;
tda18271_write_regs(fe, R_EP3, 7);
msleep(5); /* pll locking */
/* launch optimization algorithm */
tda18271_write_regs(fe, R_EP2, 1);
msleep(30); /* image mid optimization completion */
/* high-band */
regs[R_EP5] = 0x83;
regs[R_CPD] = 0x98;
regs[R_CD1] = 0x65;
regs[R_CD2] = 0x00;
regs[R_MPD] = 0x99;
regs[R_MD1] = 0x71;
regs[R_MD2] = 0xcd;
tda18271_write_regs(fe, R_EP3, 11);
msleep(5); /* pll locking */
/* launch detector */
tda18271_write_regs(fe, R_EP1, 1);
msleep(5); /* wanted high measurement */
regs[R_EP5] = 0x87;
regs[R_CD1] = 0x65;
regs[R_CD2] = 0x50;
tda18271_write_regs(fe, R_EP3, 7);
msleep(5); /* pll locking */
/* launch optimization algorithm */
tda18271_write_regs(fe, R_EP2, 1);
msleep(30); /* image high optimization completion */
/* return to normal mode */
regs[R_EP4] = 0x64;
tda18271_write_regs(fe, R_EP4, 1);
/* synchronize */
tda18271_write_regs(fe, R_EP1, 1);
return 0;
}
/*---------------------------------------------------------------------*/
/*
* Standby modes, EP3 [7:5]
*
* | SM || SM_LT || SM_XT || mode description
* |=====\\=======\\=======\\===================================
* | 0 || 0 || 0 || normal mode
* |-----||-------||-------||-----------------------------------
* | || || || standby mode w/ slave tuner output
* | 1 || 0 || 0 || & loop thru & xtal oscillator on
* |-----||-------||-------||-----------------------------------
* | 1 || 1 || 0 || standby mode w/ xtal oscillator on
* |-----||-------||-------||-----------------------------------
* | 1 || 1 || 1 || power off
*
*/
int tda18271_set_standby_mode(struct dvb_frontend *fe,
int sm, int sm_lt, int sm_xt)
{
struct tda18271_priv *priv = fe->tuner_priv;
unsigned char *regs = priv->tda18271_regs;
if (tda18271_debug & DBG_ADV)
tda_dbg("sm = %d, sm_lt = %d, sm_xt = %d\n", sm, sm_lt, sm_xt);
regs[R_EP3] &= ~0xe0; /* clear sm, sm_lt, sm_xt */
regs[R_EP3] |= (sm ? (1 << 7) : 0) |
(sm_lt ? (1 << 6) : 0) |
(sm_xt ? (1 << 5) : 0);
return tda18271_write_regs(fe, R_EP3, 1);
}
/*---------------------------------------------------------------------*/
int tda18271_calc_main_pll(struct dvb_frontend *fe, u32 freq)
{
/* sets main post divider & divider bytes, but does not write them */
struct tda18271_priv *priv = fe->tuner_priv;
unsigned char *regs = priv->tda18271_regs;
u8 d, pd;
u32 div;
int ret = tda18271_lookup_pll_map(fe, MAIN_PLL, &freq, &pd, &d);
if (tda_fail(ret))
goto fail;
regs[R_MPD] = (0x7f & pd);
div = ((d * (freq / 1000)) << 7) / 125;
regs[R_MD1] = 0x7f & (div >> 16);
regs[R_MD2] = 0xff & (div >> 8);
regs[R_MD3] = 0xff & div;
fail:
return ret;
}
int tda18271_calc_cal_pll(struct dvb_frontend *fe, u32 freq)
{
/* sets cal post divider & divider bytes, but does not write them */
struct tda18271_priv *priv = fe->tuner_priv;
unsigned char *regs = priv->tda18271_regs;
u8 d, pd;
u32 div;
int ret = tda18271_lookup_pll_map(fe, CAL_PLL, &freq, &pd, &d);
if (tda_fail(ret))
goto fail;
regs[R_CPD] = pd;
div = ((d * (freq / 1000)) << 7) / 125;
regs[R_CD1] = 0x7f & (div >> 16);
regs[R_CD2] = 0xff & (div >> 8);
regs[R_CD3] = 0xff & div;
fail:
return ret;
}
/*---------------------------------------------------------------------*/
int tda18271_calc_bp_filter(struct dvb_frontend *fe, u32 *freq)
{
/* sets bp filter bits, but does not write them */
struct tda18271_priv *priv = fe->tuner_priv;
unsigned char *regs = priv->tda18271_regs;
u8 val;
int ret = tda18271_lookup_map(fe, BP_FILTER, freq, &val);
if (tda_fail(ret))
goto fail;
regs[R_EP1] &= ~0x07; /* clear bp filter bits */
regs[R_EP1] |= (0x07 & val);
fail:
return ret;
}
int tda18271_calc_km(struct dvb_frontend *fe, u32 *freq)
{
/* sets K & M bits, but does not write them */
struct tda18271_priv *priv = fe->tuner_priv;
unsigned char *regs = priv->tda18271_regs;
u8 val;
int ret = tda18271_lookup_map(fe, RF_CAL_KMCO, freq, &val);
if (tda_fail(ret))
goto fail;
regs[R_EB13] &= ~0x7c; /* clear k & m bits */
regs[R_EB13] |= (0x7c & val);
fail:
return ret;
}
int tda18271_calc_rf_band(struct dvb_frontend *fe, u32 *freq)
{
/* sets rf band bits, but does not write them */
struct tda18271_priv *priv = fe->tuner_priv;
unsigned char *regs = priv->tda18271_regs;
u8 val;
int ret = tda18271_lookup_map(fe, RF_BAND, freq, &val);
if (tda_fail(ret))
goto fail;
regs[R_EP2] &= ~0xe0; /* clear rf band bits */
regs[R_EP2] |= (0xe0 & (val << 5));
fail:
return ret;
}
int tda18271_calc_gain_taper(struct dvb_frontend *fe, u32 *freq)
{
/* sets gain taper bits, but does not write them */
struct tda18271_priv *priv = fe->tuner_priv;
unsigned char *regs = priv->tda18271_regs;
u8 val;
int ret = tda18271_lookup_map(fe, GAIN_TAPER, freq, &val);
if (tda_fail(ret))
goto fail;
regs[R_EP2] &= ~0x1f; /* clear gain taper bits */
regs[R_EP2] |= (0x1f & val);
fail:
return ret;
}
int tda18271_calc_ir_measure(struct dvb_frontend *fe, u32 *freq)
{
/* sets IR Meas bits, but does not write them */
struct tda18271_priv *priv = fe->tuner_priv;
unsigned char *regs = priv->tda18271_regs;
u8 val;
int ret = tda18271_lookup_map(fe, IR_MEASURE, freq, &val);
if (tda_fail(ret))
goto fail;
regs[R_EP5] &= ~0x07;
regs[R_EP5] |= (0x07 & val);
fail:
return ret;
}
int tda18271_calc_rf_cal(struct dvb_frontend *fe, u32 *freq)
{
/* sets rf cal byte (RFC_Cprog), but does not write it */
struct tda18271_priv *priv = fe->tuner_priv;
unsigned char *regs = priv->tda18271_regs;
u8 val;
int ret = tda18271_lookup_map(fe, RF_CAL, freq, &val);
/* The TDA18271HD/C1 rf_cal map lookup is expected to go out of range
* for frequencies above 61.1 MHz. In these cases, the internal RF
* tracking filters calibration mechanism is used.
*
* There is no need to warn the user about this.
*/
if (ret < 0)
goto fail;
regs[R_EB14] = val;
fail:
return ret;
}
int _tda_printk(struct tda18271_priv *state, const char *level,
const char *func, const char *fmt, ...)
{
struct va_format vaf;
va_list args;
int rtn;
va_start(args, fmt);
vaf.fmt = fmt;
vaf.va = &args;
if (state)
rtn = printk("%s%s: [%d-%04x|%c] %pV",
level, func, i2c_adapter_id(state->i2c_props.adap),
state->i2c_props.addr,
(state->role == TDA18271_MASTER) ? 'M' : 'S',
&vaf);
else
rtn = printk("%s%s: %pV", level, func, &vaf);
va_end(args);
return rtn;
}
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