diff options
Diffstat (limited to 'drivers/media/dvb-frontends/si21xx.c')
| -rw-r--r-- | drivers/media/dvb-frontends/si21xx.c | 20 |
1 files changed, 7 insertions, 13 deletions
diff --git a/drivers/media/dvb-frontends/si21xx.c b/drivers/media/dvb-frontends/si21xx.c index 8546a236d452..210ccd356e2b 100644 --- a/drivers/media/dvb-frontends/si21xx.c +++ b/drivers/media/dvb-frontends/si21xx.c @@ -1,12 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* DVB compliant Linux driver for the DVB-S si2109/2110 demodulator * * Copyright (C) 2008 Igor M. Liplianin (liplianin@me.by) -* -* 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. -* */ #include <linux/init.h> #include <linux/kernel.h> @@ -341,7 +336,7 @@ static int si21xx_wait_diseqc_idle(struct si21xx_state *state, int timeout) dprintk("%s\n", __func__); while ((si21_readreg(state, LNB_CTRL_REG_1) & 0x8) == 8) { - if (jiffies - start > timeout) { + if (time_is_before_jiffies(start + timeout)) { dprintk("%s: timeout!!\n", __func__); return -ETIMEDOUT; } @@ -469,10 +464,8 @@ static int si21xx_set_voltage(struct dvb_frontend *fe, enum fe_sec_voltage volt) switch (volt) { case SEC_VOLTAGE_18: return si21_writereg(state, LNB_CTRL_REG_1, val | 0x40); - break; case SEC_VOLTAGE_13: return si21_writereg(state, LNB_CTRL_REG_1, (val & ~0x40)); - break; default: return -EINVAL; } @@ -718,7 +711,7 @@ static int si21xx_set_frontend(struct dvb_frontend *fe) int i; bool inband_interferer_div2[ALLOWABLE_FS_COUNT]; bool inband_interferer_div4[ALLOWABLE_FS_COUNT]; - int status; + int status = 0; /* allowable sample rates for ADC in MHz */ int afs[ALLOWABLE_FS_COUNT] = { 200, 192, 193, 194, 195, @@ -754,8 +747,6 @@ static int si21xx_set_frontend(struct dvb_frontend *fe) rf_freq = 10 * c->frequency ; data_rate = c->symbol_rate / 100; - status = PASS; - band_low = (rf_freq - lnb_lo) - ((lnb_uncertanity * 200) + (data_rate * 135)) / 200; @@ -839,6 +830,9 @@ static int si21xx_set_frontend(struct dvb_frontend *fe) state->fs = sample_rate;/*ADC MHz*/ si21xx_setacquire(fe, c->symbol_rate, c->fec_inner); + if (status) + return -EREMOTEIO; + return 0; } @@ -943,7 +937,7 @@ error: kfree(state); return NULL; } -EXPORT_SYMBOL(si21xx_attach); +EXPORT_SYMBOL_GPL(si21xx_attach); module_param(debug, int, 0644); MODULE_PARM_DESC(debug, "Turn on/off frontend debugging (default:off)."); |