diff options
Diffstat (limited to 'drivers/media/dvb-frontends/rtl2832.c')
| -rw-r--r-- | drivers/media/dvb-frontends/rtl2832.c | 59 |
1 files changed, 22 insertions, 37 deletions
diff --git a/drivers/media/dvb-frontends/rtl2832.c b/drivers/media/dvb-frontends/rtl2832.c index 94bf5b7d6f3f..3b4e46dac1bf 100644 --- a/drivers/media/dvb-frontends/rtl2832.c +++ b/drivers/media/dvb-frontends/rtl2832.c @@ -1,22 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Realtek RTL2832 DVB-T demodulator driver * * Copyright (C) 2012 Thomas Mair <thomas.mair86@gmail.com> * Copyright (C) 2012-2014 Antti Palosaari <crope@iki.fi> - * - * 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., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #include "rtl2832_priv.h" @@ -408,8 +395,8 @@ static int rtl2832_get_tune_settings(struct dvb_frontend *fe, dev_dbg(&client->dev, "\n"); s->min_delay_ms = 1000; - s->step_size = fe->ops.info.frequency_stepsize * 2; - s->max_drift = (fe->ops.info.frequency_stepsize * 2) + 1; + s->step_size = fe->ops.info.frequency_stepsize_hz * 2; + s->max_drift = (fe->ops.info.frequency_stepsize_hz * 2) + 1; return 0; } @@ -498,7 +485,7 @@ static int rtl2832_set_frontend(struct dvb_frontend *fe) * RSAMP_RATIO = floor(CrystalFreqHz * 7 * pow(2, 22) * / ConstWithBandwidthMode) */ - num = dev->pdata->clk * 7; + num = dev->pdata->clk * 7ULL; num *= 0x400000; num = div_u64(num, bw_mode); resamp_ratio = num & 0x3ffffff; @@ -511,7 +498,7 @@ static int rtl2832_set_frontend(struct dvb_frontend *fe) * / (CrystalFreqHz * 7)) */ num = bw_mode << 20; - num2 = dev->pdata->clk * 7; + num2 = dev->pdata->clk * 7ULL; num = div_u64(num, num2); num = -num; cfreq_off_ratio = num & 0xfffff; @@ -653,7 +640,7 @@ static int rtl2832_read_status(struct dvb_frontend *fe, enum fe_status *status) struct i2c_client *client = dev->client; struct dtv_frontend_properties *c = &fe->dtv_property_cache; int ret; - u32 uninitialized_var(tmp); + u32 tmp; u8 u8tmp, buf[2]; u16 u16tmp; @@ -711,6 +698,7 @@ static int rtl2832_read_status(struct dvb_frontend *fe, enum fe_status *status) goto err; constellation = (u8tmp >> 2) & 0x03; /* [3:2] */ + ret = -EINVAL; if (constellation > CONSTELLATION_NUM - 1) goto err; @@ -841,9 +829,9 @@ static const struct dvb_frontend_ops rtl2832_ops = { .delsys = { SYS_DVBT }, .info = { .name = "Realtek RTL2832 (DVB-T)", - .frequency_min = 174000000, - .frequency_max = 862000000, - .frequency_stepsize = 166667, + .frequency_min_hz = 174 * MHz, + .frequency_max_hz = 862 * MHz, + .frequency_stepsize_hz = 166667, .caps = FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 | @@ -995,7 +983,7 @@ static int rtl2832_pid_filter(struct dvb_frontend *fe, u8 index, u16 pid, index, pid, onoff, dev->slave_ts); /* skip invalid PIDs (0x2000) */ - if (pid > 0x1fff || index > 32) + if (pid > 0x1fff || index >= 32) return 0; if (onoff) @@ -1033,8 +1021,7 @@ err: return ret; } -static int rtl2832_probe(struct i2c_client *client, - const struct i2c_device_id *id) +static int rtl2832_probe(struct i2c_client *client) { struct rtl2832_platform_data *pdata = client->dev.platform_data; struct i2c_adapter *i2c = client->adapter; @@ -1069,13 +1056,13 @@ static int rtl2832_probe(struct i2c_client *client, dev->sleeping = true; INIT_DELAYED_WORK(&dev->i2c_gate_work, rtl2832_i2c_gate_work); /* create regmap */ - dev->regmap_config.reg_bits = 8, - dev->regmap_config.val_bits = 8, - dev->regmap_config.volatile_reg = rtl2832_volatile_reg, - dev->regmap_config.max_register = 5 * 0x100, - dev->regmap_config.ranges = regmap_range_cfg, - dev->regmap_config.num_ranges = ARRAY_SIZE(regmap_range_cfg), - dev->regmap_config.cache_type = REGCACHE_NONE, + dev->regmap_config.reg_bits = 8; + dev->regmap_config.val_bits = 8; + dev->regmap_config.volatile_reg = rtl2832_volatile_reg; + dev->regmap_config.max_register = 5 * 0x100; + dev->regmap_config.ranges = regmap_range_cfg; + dev->regmap_config.num_ranges = ARRAY_SIZE(regmap_range_cfg); + dev->regmap_config.cache_type = REGCACHE_NONE; dev->regmap = regmap_init_i2c(client, &dev->regmap_config); if (IS_ERR(dev->regmap)) { ret = PTR_ERR(dev->regmap); @@ -1095,7 +1082,7 @@ static int rtl2832_probe(struct i2c_client *client, goto err_regmap_exit; } dev->muxc->priv = dev; - ret = i2c_mux_add_adapter(dev->muxc, 0, 0, 0); + ret = i2c_mux_add_adapter(dev->muxc, 0, 0); if (ret) goto err_regmap_exit; @@ -1122,7 +1109,7 @@ err: return ret; } -static int rtl2832_remove(struct i2c_client *client) +static void rtl2832_remove(struct i2c_client *client) { struct rtl2832_dev *dev = i2c_get_clientdata(client); @@ -1135,12 +1122,10 @@ static int rtl2832_remove(struct i2c_client *client) regmap_exit(dev->regmap); kfree(dev); - - return 0; } static const struct i2c_device_id rtl2832_id_table[] = { - {"rtl2832", 0}, + { "rtl2832" }, {} }; MODULE_DEVICE_TABLE(i2c, rtl2832_id_table); |