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path: root/drivers/media/dvb-frontends/cx22700.c
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Diffstat (limited to 'drivers/media/dvb-frontends/cx22700.c')
-rw-r--r--drivers/media/dvb-frontends/cx22700.c44
1 files changed, 18 insertions, 26 deletions
diff --git a/drivers/media/dvb-frontends/cx22700.c b/drivers/media/dvb-frontends/cx22700.c
index 3d399d9a6343..1d04c0a652b2 100644
--- a/drivers/media/dvb-frontends/cx22700.c
+++ b/drivers/media/dvb-frontends/cx22700.c
@@ -1,22 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
Conexant cx22700 DVB OFDM demodulator driver
Copyright (C) 2001-2002 Convergence Integrated Media GmbH
Holger Waechtler <holger@convergence.de>
- 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.
*/
@@ -25,7 +13,7 @@
#include <linux/module.h>
#include <linux/string.h>
#include <linux/slab.h>
-#include "dvb_frontend.h"
+#include <media/dvb_frontend.h>
#include "cx22700.h"
@@ -169,6 +157,9 @@ static int cx22700_set_tps(struct cx22700_state *state,
cx22700_writereg (state, 0x04, val);
+ if (p->code_rate_HP - FEC_1_2 >= sizeof(fec_tab) ||
+ p->code_rate_LP - FEC_1_2 >= sizeof(fec_tab))
+ return -EINVAL;
val = fec_tab[p->code_rate_HP - FEC_1_2] << 3;
val |= fec_tab[p->code_rate_LP - FEC_1_2];
@@ -188,9 +179,10 @@ static int cx22700_set_tps(struct cx22700_state *state,
static int cx22700_get_tps(struct cx22700_state *state,
struct dtv_frontend_properties *p)
{
- static const fe_modulation_t qam_tab [3] = { QPSK, QAM_16, QAM_64 };
- static const fe_code_rate_t fec_tab [5] = { FEC_1_2, FEC_2_3, FEC_3_4,
- FEC_5_6, FEC_7_8 };
+ static const enum fe_modulation qam_tab[3] = { QPSK, QAM_16, QAM_64 };
+ static const enum fe_code_rate fec_tab[5] = {
+ FEC_1_2, FEC_2_3, FEC_3_4, FEC_5_6, FEC_7_8
+ };
u8 val;
dprintk ("%s\n", __func__);
@@ -250,7 +242,7 @@ static int cx22700_init (struct dvb_frontend* fe)
return 0;
}
-static int cx22700_read_status(struct dvb_frontend* fe, fe_status_t* status)
+static int cx22700_read_status(struct dvb_frontend *fe, enum fe_status *status)
{
struct cx22700_state* state = fe->demodulator_priv;
@@ -341,9 +333,9 @@ static int cx22700_set_frontend(struct dvb_frontend *fe)
return 0;
}
-static int cx22700_get_frontend(struct dvb_frontend *fe)
+static int cx22700_get_frontend(struct dvb_frontend *fe,
+ struct dtv_frontend_properties *c)
{
- struct dtv_frontend_properties *c = &fe->dtv_property_cache;
struct cx22700_state* state = fe->demodulator_priv;
u8 reg09 = cx22700_readreg (state, 0x09);
@@ -376,7 +368,7 @@ static void cx22700_release(struct dvb_frontend* fe)
kfree(state);
}
-static struct dvb_frontend_ops cx22700_ops;
+static const struct dvb_frontend_ops cx22700_ops;
struct dvb_frontend* cx22700_attach(const struct cx22700_config* config,
struct i2c_adapter* i2c)
@@ -404,13 +396,13 @@ error:
return NULL;
}
-static struct dvb_frontend_ops cx22700_ops = {
+static const struct dvb_frontend_ops cx22700_ops = {
.delsys = { SYS_DVBT },
.info = {
.name = "Conexant CX22700 DVB-T",
- .frequency_min = 470000000,
- .frequency_max = 860000000,
- .frequency_stepsize = 166667,
+ .frequency_min_hz = 470 * MHz,
+ .frequency_max_hz = 860 * MHz,
+ .frequency_stepsize_hz = 166667,
.caps = FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 |
FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO |
FE_CAN_QPSK | FE_CAN_QAM_16 | FE_CAN_QAM_64 |
@@ -440,4 +432,4 @@ MODULE_DESCRIPTION("Conexant CX22700 DVB-T Demodulator driver");
MODULE_AUTHOR("Holger Waechtler");
MODULE_LICENSE("GPL");
-EXPORT_SYMBOL(cx22700_attach);
+EXPORT_SYMBOL_GPL(cx22700_attach);