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path: root/drivers/media/dvb-frontends/mb86a16.c
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Diffstat (limited to 'drivers/media/dvb-frontends/mb86a16.c')
-rw-r--r--drivers/media/dvb-frontends/mb86a16.c43
1 files changed, 17 insertions, 26 deletions
diff --git a/drivers/media/dvb-frontends/mb86a16.c b/drivers/media/dvb-frontends/mb86a16.c
index da505a5d035f..9033e39d75f4 100644
--- a/drivers/media/dvb-frontends/mb86a16.c
+++ b/drivers/media/dvb-frontends/mb86a16.c
@@ -1,21 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
Fujitsu MB86A16 DVB-S/DSS DC Receiver driver
Copyright (C) Manu Abraham (abraham.manu@gmail.com)
- 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 <linux/init.h>
@@ -1464,11 +1452,8 @@ static int mb86a16_set_fe(struct mb86a16_state *state)
wait_t = (786432 + state->srate / 2) / state->srate;
else
wait_t = (1572864 + state->srate / 2) / state->srate;
- if (state->srate < 5000)
- /* FIXME ! , should be a long wait ! */
- msleep_interruptible(wait_t);
- else
- msleep_interruptible(wait_t);
+
+ msleep_interruptible(wait_t);
if (sync_chk(state, &junk) == 0) {
iq_vt_set(state, 1);
@@ -1502,10 +1487,12 @@ static int mb86a16_set_fe(struct mb86a16_state *state)
}
}
- mb86a16_read(state, 0x15, &agcval);
- mb86a16_read(state, 0x26, &cnmval);
- dprintk(verbose, MB86A16_INFO, 1, "AGC = %02x CNM = %02x", agcval, cnmval);
-
+ if (mb86a16_read(state, 0x15, &agcval) != 2 || mb86a16_read(state, 0x26, &cnmval) != 2) {
+ dprintk(verbose, MB86A16_ERROR, 1, "I2C transfer error");
+ ret = -EREMOTEIO;
+ } else {
+ dprintk(verbose, MB86A16_INFO, 1, "AGC = %02x CNM = %02x", agcval, cnmval);
+ }
return ret;
}
@@ -1513,6 +1500,7 @@ static int mb86a16_send_diseqc_msg(struct dvb_frontend *fe,
struct dvb_diseqc_master_cmd *cmd)
{
struct mb86a16_state *state = fe->demodulator_priv;
+ int ret = -EREMOTEIO;
int i;
u8 regs;
@@ -1525,8 +1513,10 @@ static int mb86a16_send_diseqc_msg(struct dvb_frontend *fe,
regs = 0x18;
- if (cmd->msg_len > 5 || cmd->msg_len < 4)
- return -EINVAL;
+ if (cmd->msg_len > 5 || cmd->msg_len < 4) {
+ ret = -EINVAL;
+ goto err;
+ }
for (i = 0; i < cmd->msg_len; i++) {
if (mb86a16_write(state, regs, cmd->msg[i]) < 0)
@@ -1547,7 +1537,7 @@ static int mb86a16_send_diseqc_msg(struct dvb_frontend *fe,
err:
dprintk(verbose, MB86A16_ERROR, 1, "I2C transfer error");
- return -EREMOTEIO;
+ return ret;
}
static int mb86a16_send_diseqc_burst(struct dvb_frontend *fe,
@@ -1863,6 +1853,7 @@ error:
kfree(state);
return NULL;
}
-EXPORT_SYMBOL(mb86a16_attach);
+EXPORT_SYMBOL_GPL(mb86a16_attach);
+MODULE_DESCRIPTION("Fujitsu MB86A16 DVB-S/DSS DC Receiver driver");
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Manu Abraham");