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[media] rtl2830: style related changes 

Trivial changes proposed by checkpatch.pl and some more.

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Antti Palosaari 2014-12-09 02:31:53 -03:00 committed by Mauro Carvalho Chehab
parent b8cb50d237
commit 947debb4f2
3 changed files with 60 additions and 72 deletions
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125
drivers/media/dvb-frontends/rtl2830.c
View File

@ -13,16 +13,6 @@
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details. * 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
/*
* Driver implements own I2C-adapter for tuner I2C access. That's since chip
* have unusual I2C-gate control which closes gate automatically after each
* I2C transfer. Using own I2C adapter we can workaround that.
*/ */
#include "rtl2830_priv.h" #include "rtl2830_priv.h"
@ -46,7 +36,7 @@ static int rtl2830_wr(struct i2c_client *client, u8 reg, const u8 *val, int len)
if (1 + len > sizeof(buf)) { if (1 + len > sizeof(buf)) {
dev_warn(&client->dev, "i2c wr reg=%04x: len=%d is too big!\n", dev_warn(&client->dev, "i2c wr reg=%04x: len=%d is too big!\n",
reg, len); reg, len);
return -EINVAL; return -EINVAL;
} }
@ -58,9 +48,10 @@ static int rtl2830_wr(struct i2c_client *client, u8 reg, const u8 *val, int len)
ret = 0; ret = 0;
} else { } else {
dev_warn(&client->dev, "i2c wr failed=%d reg=%02x len=%d\n", dev_warn(&client->dev, "i2c wr failed=%d reg=%02x len=%d\n",
ret, reg, len); ret, reg, len);
ret = -EREMOTEIO; ret = -EREMOTEIO;
} }
return ret; return ret;
} }
@ -87,9 +78,10 @@ static int rtl2830_rd(struct i2c_client *client, u8 reg, u8 *val, int len)
ret = 0; ret = 0;
} else { } else {
dev_warn(&client->dev, "i2c rd failed=%d reg=%02x len=%d\n", dev_warn(&client->dev, "i2c rd failed=%d reg=%02x len=%d\n",
ret, reg, len); ret, reg, len);
ret = -EREMOTEIO; ret = -EREMOTEIO;
} }
return ret; return ret;
} }
@ -187,47 +179,47 @@ static int rtl2830_init(struct dvb_frontend *fe)
struct rtl2830_dev *dev = i2c_get_clientdata(client); struct rtl2830_dev *dev = i2c_get_clientdata(client);
int ret, i; int ret, i;
struct rtl2830_reg_val_mask tab[] = { struct rtl2830_reg_val_mask tab[] = {
{ 0x00d, 0x01, 0x03 }, {0x00d, 0x01, 0x03},
{ 0x00d, 0x10, 0x10 }, {0x00d, 0x10, 0x10},
{ 0x104, 0x00, 0x1e }, {0x104, 0x00, 0x1e},
{ 0x105, 0x80, 0x80 }, {0x105, 0x80, 0x80},
{ 0x110, 0x02, 0x03 }, {0x110, 0x02, 0x03},
{ 0x110, 0x08, 0x0c }, {0x110, 0x08, 0x0c},
{ 0x17b, 0x00, 0x40 }, {0x17b, 0x00, 0x40},
{ 0x17d, 0x05, 0x0f }, {0x17d, 0x05, 0x0f},
{ 0x17d, 0x50, 0xf0 }, {0x17d, 0x50, 0xf0},
{ 0x18c, 0x08, 0x0f }, {0x18c, 0x08, 0x0f},
{ 0x18d, 0x00, 0xc0 }, {0x18d, 0x00, 0xc0},
{ 0x188, 0x05, 0x0f }, {0x188, 0x05, 0x0f},
{ 0x189, 0x00, 0xfc }, {0x189, 0x00, 0xfc},
{ 0x2d5, 0x02, 0x02 }, {0x2d5, 0x02, 0x02},
{ 0x2f1, 0x02, 0x06 }, {0x2f1, 0x02, 0x06},
{ 0x2f1, 0x20, 0xf8 }, {0x2f1, 0x20, 0xf8},
{ 0x16d, 0x00, 0x01 }, {0x16d, 0x00, 0x01},
{ 0x1a6, 0x00, 0x80 }, {0x1a6, 0x00, 0x80},
{ 0x106, dev->pdata->vtop, 0x3f }, {0x106, dev->pdata->vtop, 0x3f},
{ 0x107, dev->pdata->krf, 0x3f }, {0x107, dev->pdata->krf, 0x3f},
{ 0x112, 0x28, 0xff }, {0x112, 0x28, 0xff},
{ 0x103, dev->pdata->agc_targ_val, 0xff }, {0x103, dev->pdata->agc_targ_val, 0xff},
{ 0x00a, 0x02, 0x07 }, {0x00a, 0x02, 0x07},
{ 0x140, 0x0c, 0x3c }, {0x140, 0x0c, 0x3c},
{ 0x140, 0x40, 0xc0 }, {0x140, 0x40, 0xc0},
{ 0x15b, 0x05, 0x07 }, {0x15b, 0x05, 0x07},
{ 0x15b, 0x28, 0x38 }, {0x15b, 0x28, 0x38},
{ 0x15c, 0x05, 0x07 }, {0x15c, 0x05, 0x07},
{ 0x15c, 0x28, 0x38 }, {0x15c, 0x28, 0x38},
{ 0x115, dev->pdata->spec_inv, 0x01 }, {0x115, dev->pdata->spec_inv, 0x01},
{ 0x16f, 0x01, 0x07 }, {0x16f, 0x01, 0x07},
{ 0x170, 0x18, 0x38 }, {0x170, 0x18, 0x38},
{ 0x172, 0x0f, 0x0f }, {0x172, 0x0f, 0x0f},
{ 0x173, 0x08, 0x38 }, {0x173, 0x08, 0x38},
{ 0x175, 0x01, 0x07 }, {0x175, 0x01, 0x07},
{ 0x176, 0x00, 0xc0 }, {0x176, 0x00, 0xc0},
}; };
for (i = 0; i < ARRAY_SIZE(tab); i++) { for (i = 0; i < ARRAY_SIZE(tab); i++) {
ret = rtl2830_wr_reg_mask(client, tab[i].reg, tab[i].val, ret = rtl2830_wr_reg_mask(client, tab[i].reg, tab[i].val,
tab[i].mask); tab[i].mask);
if (ret) if (ret)
goto err; goto err;
} }
@ -237,7 +229,7 @@ static int rtl2830_init(struct dvb_frontend *fe)
goto err; goto err;
ret = rtl2830_wr_regs(client, 0x195, ret = rtl2830_wr_regs(client, 0x195,
"\x04\x06\x0a\x12\x0a\x12\x1e\x28", 8); "\x04\x06\x0a\x12\x0a\x12\x1e\x28", 8);
if (ret) if (ret)
goto err; goto err;
@ -264,12 +256,14 @@ static int rtl2830_sleep(struct dvb_frontend *fe)
{ {
struct i2c_client *client = fe->demodulator_priv; struct i2c_client *client = fe->demodulator_priv;
struct rtl2830_dev *dev = i2c_get_clientdata(client); struct rtl2830_dev *dev = i2c_get_clientdata(client);
dev->sleeping = true; dev->sleeping = true;
return 0; return 0;
} }
static int rtl2830_get_tune_settings(struct dvb_frontend *fe, static int rtl2830_get_tune_settings(struct dvb_frontend *fe,
struct dvb_frontend_tune_settings *s) struct dvb_frontend_tune_settings *s)
{ {
s->min_delay_ms = 500; s->min_delay_ms = 500;
s->step_size = fe->ops.info.frequency_stepsize * 2; s->step_size = fe->ops.info.frequency_stepsize * 2;
@ -312,7 +306,7 @@ static int rtl2830_set_frontend(struct dvb_frontend *fe)
}; };
dev_dbg(&client->dev, "frequency=%u bandwidth_hz=%u inversion=%u\n", dev_dbg(&client->dev, "frequency=%u bandwidth_hz=%u inversion=%u\n",
c->frequency, c->bandwidth_hz, c->inversion); c->frequency, c->bandwidth_hz, c->inversion);
/* program tuner */ /* program tuner */
if (fe->ops.tuner_ops.set_params) if (fe->ops.tuner_ops.set_params)
@ -330,7 +324,7 @@ static int rtl2830_set_frontend(struct dvb_frontend *fe)
break; break;
default: default:
dev_err(&client->dev, "invalid bandwidth_hz %u\n", dev_err(&client->dev, "invalid bandwidth_hz %u\n",
c->bandwidth_hz); c->bandwidth_hz);
return -EINVAL; return -EINVAL;
} }
@ -343,8 +337,7 @@ static int rtl2830_set_frontend(struct dvb_frontend *fe)
ret = fe->ops.tuner_ops.get_if_frequency(fe, &if_frequency); ret = fe->ops.tuner_ops.get_if_frequency(fe, &if_frequency);
else else
ret = -EINVAL; ret = -EINVAL;
if (ret)
if (ret < 0)
goto err; goto err;
num = if_frequency % dev->pdata->clk; num = if_frequency % dev->pdata->clk;
@ -353,7 +346,7 @@ static int rtl2830_set_frontend(struct dvb_frontend *fe)
num = -num; num = -num;
if_ctl = num & 0x3fffff; if_ctl = num & 0x3fffff;
dev_dbg(&client->dev, "if_frequency=%d if_ctl=%08x\n", dev_dbg(&client->dev, "if_frequency=%d if_ctl=%08x\n",
if_frequency, if_ctl); if_frequency, if_ctl);
ret = rtl2830_rd_reg_mask(client, 0x119, &tmp, 0xc0); /* b[7:6] */ ret = rtl2830_rd_reg_mask(client, 0x119, &tmp, 0xc0); /* b[7:6] */
if (ret) if (ret)
@ -507,6 +500,7 @@ static int rtl2830_read_status(struct dvb_frontend *fe, fe_status_t *status)
struct rtl2830_dev *dev = i2c_get_clientdata(client); struct rtl2830_dev *dev = i2c_get_clientdata(client);
int ret; int ret;
u8 tmp; u8 tmp;
*status = 0; *status = 0;
if (dev->sleeping) if (dev->sleeping)
@ -540,9 +534,9 @@ static int rtl2830_read_snr(struct dvb_frontend *fe, u16 *snr)
#define CONSTELLATION_NUM 3 #define CONSTELLATION_NUM 3
#define HIERARCHY_NUM 4 #define HIERARCHY_NUM 4
static const u32 snr_constant[CONSTELLATION_NUM][HIERARCHY_NUM] = { static const u32 snr_constant[CONSTELLATION_NUM][HIERARCHY_NUM] = {
{ 70705899, 70705899, 70705899, 70705899 }, {70705899, 70705899, 70705899, 70705899},
{ 82433173, 82433173, 87483115, 94445660 }, {82433173, 82433173, 87483115, 94445660},
{ 92888734, 92888734, 95487525, 99770748 }, {92888734, 92888734, 95487525, 99770748},
}; };
if (dev->sleeping) if (dev->sleeping)
@ -605,6 +599,7 @@ err:
static int rtl2830_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks) static int rtl2830_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
{ {
*ucblocks = 0; *ucblocks = 0;
return 0; return 0;
} }
@ -630,7 +625,7 @@ static int rtl2830_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
else else
if_agc = if_agc_raw; if_agc = if_agc_raw;
*strength = (u8) (55 - if_agc / 182); *strength = (u8)(55 - if_agc / 182);
*strength |= *strength << 8; *strength |= *strength << 8;
return 0; return 0;
@ -640,7 +635,7 @@ err:
} }
static struct dvb_frontend_ops rtl2830_ops = { static struct dvb_frontend_ops rtl2830_ops = {
.delsys = { SYS_DVBT }, .delsys = {SYS_DVBT},
.info = { .info = {
.name = "Realtek RTL2830 (DVB-T)", .name = "Realtek RTL2830 (DVB-T)",
.caps = FE_CAN_FEC_1_2 | .caps = FE_CAN_FEC_1_2 |
@ -723,7 +718,6 @@ static int rtl2830_select(struct i2c_adapter *adap, void *mux_priv, u32 chan_id)
} }
return 0; return 0;
err: err:
dev_dbg(&client->dev, "failed=%d\n", ret); dev_dbg(&client->dev, "failed=%d\n", ret);
return ret; return ret;
@ -748,7 +742,7 @@ static struct i2c_adapter *rtl2830_get_i2c_adapter(struct i2c_client *client)
} }
static int rtl2830_probe(struct i2c_client *client, static int rtl2830_probe(struct i2c_client *client,
const struct i2c_device_id *id) const struct i2c_device_id *id)
{ {
struct rtl2830_platform_data *pdata = client->dev.platform_data; struct rtl2830_platform_data *pdata = client->dev.platform_data;
struct rtl2830_dev *dev; struct rtl2830_dev *dev;
@ -796,8 +790,8 @@ static int rtl2830_probe(struct i2c_client *client,
pdata->get_i2c_adapter = rtl2830_get_i2c_adapter; pdata->get_i2c_adapter = rtl2830_get_i2c_adapter;
dev_info(&client->dev, "Realtek RTL2830 successfully attached\n"); dev_info(&client->dev, "Realtek RTL2830 successfully attached\n");
return 0;
return 0;
err_kfree: err_kfree:
kfree(dev); kfree(dev);
err: err:
@ -813,6 +807,7 @@ static int rtl2830_remove(struct i2c_client *client)
i2c_del_mux_adapter(dev->adapter); i2c_del_mux_adapter(dev->adapter);
kfree(dev); kfree(dev);
return 0; return 0;
} }

4
drivers/media/dvb-frontends/rtl2830.h
View File

@ -13,15 +13,11 @@
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details. * 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/ */
#ifndef RTL2830_H #ifndef RTL2830_H
#define RTL2830_H #define RTL2830_H
#include <linux/kconfig.h>
#include <linux/dvb/frontend.h> #include <linux/dvb/frontend.h>
struct rtl2830_platform_data { struct rtl2830_platform_data {

3
drivers/media/dvb-frontends/rtl2830_priv.h
View File

@ -13,9 +13,6 @@
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details. * 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/ */
#ifndef RTL2830_PRIV_H #ifndef RTL2830_PRIV_H