From 1543e317f1da31b75942316931e8f491a8920811 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 04 Jan 2024 10:08:02 +0000
Subject: [PATCH] disable FB
---
kernel/drivers/media/dvb-frontends/drxk_hard.c | 74 +++++++++++++------------------------
1 files changed, 26 insertions(+), 48 deletions(-)
diff --git a/kernel/drivers/media/dvb-frontends/drxk_hard.c b/kernel/drivers/media/dvb-frontends/drxk_hard.c
index 84ac3f7..a6b86c1 100644
--- a/kernel/drivers/media/dvb-frontends/drxk_hard.c
+++ b/kernel/drivers/media/dvb-frontends/drxk_hard.c
@@ -1,20 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* drxk_hard: DRX-K DVB-C/T demodulator driver
*
* Copyright (C) 2010-2011 Digital Devices GmbH
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * version 2 only, as published by the Free Software Foundation.
- *
- *
- * 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.
- *
- * To obtain the license, point your browser to
- * http://www.gnu.org/copyleft/gpl.html
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -166,17 +154,6 @@
if (debug >= level) \
printk(KERN_DEBUG KBUILD_MODNAME ": %s " fmt, __func__, ##arg); \
} while (0)
-
-
-static inline u32 MulDiv32(u32 a, u32 b, u32 c)
-{
- u64 tmp64;
-
- tmp64 = (u64) a * (u64) b;
- do_div(tmp64, c);
-
- return (u32) tmp64;
-}
static inline u32 Frac28a(u32 a, u32 c)
{
@@ -723,7 +700,7 @@
state->m_drxk_state = DRXK_UNINITIALIZED;
/* MPEG output configuration */
- state->m_enable_mpeg_output = true; /* If TRUE; enable MPEG ouput */
+ state->m_enable_mpeg_output = true; /* If TRUE; enable MPEG output */
state->m_insert_rs_byte = false; /* If TRUE; insert RS byte */
state->m_invert_data = false; /* If TRUE; invert DATA signals */
state->m_invert_err = false; /* If TRUE; invert ERR signal */
@@ -1034,8 +1011,7 @@
retry_count += 1;
status = read16(state, SIO_HI_RA_RAM_CMD__A,
&wait_cmd);
- } while ((status < 0) && (retry_count < DRXK_MAX_RETRIES)
- && (wait_cmd != 0));
+ } while ((status < 0 || wait_cmd) && (retry_count < DRXK_MAX_RETRIES));
if (status < 0)
goto error;
status = read16(state, SIO_HI_RA_RAM_RES__A, p_result);
@@ -1105,7 +1081,7 @@
static int mpegts_configure_pins(struct drxk_state *state, bool mpeg_enable)
{
- int status = -1;
+ int status;
u16 sio_pdr_mclk_cfg = 0;
u16 sio_pdr_mdx_cfg = 0;
u16 err_cfg = 0;
@@ -1474,9 +1450,11 @@
/* assume that the command register is ready
since it is checked afterwards */
- for (ii = parameter_len - 1; ii >= 0; ii -= 1) {
- buffer[cnt++] = (parameter[ii] & 0xFF);
- buffer[cnt++] = ((parameter[ii] >> 8) & 0xFF);
+ if (parameter) {
+ for (ii = parameter_len - 1; ii >= 0; ii -= 1) {
+ buffer[cnt++] = (parameter[ii] & 0xFF);
+ buffer[cnt++] = ((parameter[ii] >> 8) & 0xFF);
+ }
}
buffer[cnt++] = (cmd & 0xFF);
buffer[cnt++] = ((cmd >> 8) & 0xFF);
@@ -1777,7 +1755,7 @@
goto error;
state->m_operation_mode = OM_NONE;
break;
- case OM_QAM_ITU_A: /* fallthrough */
+ case OM_QAM_ITU_A:
case OM_QAM_ITU_C:
status = mpegts_stop(state);
if (status < 0)
@@ -1804,7 +1782,7 @@
if (status < 0)
goto error;
break;
- case OM_QAM_ITU_A: /* fallthrough */
+ case OM_QAM_ITU_A:
case OM_QAM_ITU_C:
dprintk(1, ": DVB-C Annex %c\n",
(state->m_operation_mode == OM_QAM_ITU_A) ? 'A' : 'C');
@@ -2033,7 +2011,7 @@
fec_oc_rcn_ctl_rate = 0xC00000;
static_clk = state->m_dvbt_static_clk;
break;
- case OM_QAM_ITU_A: /* fallthrough */
+ case OM_QAM_ITU_A:
case OM_QAM_ITU_C:
fec_oc_tmd_mode = 0x0004;
fec_oc_rcn_ctl_rate = 0xD2B4EE; /* good for >63 Mb/s */
@@ -3270,11 +3248,11 @@
case OFDM_SC_RA_RAM_CMD_SET_PREF_PARAM:
case OFDM_SC_RA_RAM_CMD_PROGRAM_PARAM:
status |= write16(state, OFDM_SC_RA_RAM_PARAM1__A, param1);
- /* fall through - All commands using 1 parameters */
+ fallthrough; /* All commands using 1 parameters */
case OFDM_SC_RA_RAM_CMD_SET_ECHO_TIMING:
case OFDM_SC_RA_RAM_CMD_USER_IO:
status |= write16(state, OFDM_SC_RA_RAM_PARAM0__A, param0);
- /* fall through - All commands using 0 parameters */
+ fallthrough; /* All commands using 0 parameters */
case OFDM_SC_RA_RAM_CMD_GET_OP_PARAM:
case OFDM_SC_RA_RAM_CMD_NULL:
/* Write command */
@@ -3782,7 +3760,7 @@
case TRANSMISSION_MODE_AUTO:
default:
operation_mode |= OFDM_SC_RA_RAM_OP_AUTO_MODE__M;
- /* fall through - try first guess DRX_FFTMODE_8K */
+ fallthrough; /* try first guess DRX_FFTMODE_8K */
case TRANSMISSION_MODE_8K:
transmission_params |= OFDM_SC_RA_RAM_OP_PARAM_MODE_8K;
break;
@@ -3796,7 +3774,7 @@
default:
case GUARD_INTERVAL_AUTO:
operation_mode |= OFDM_SC_RA_RAM_OP_AUTO_GUARD__M;
- /* fall through - try first guess DRX_GUARD_1DIV4 */
+ fallthrough; /* try first guess DRX_GUARD_1DIV4 */
case GUARD_INTERVAL_1_4:
transmission_params |= OFDM_SC_RA_RAM_OP_PARAM_GUARD_4;
break;
@@ -3819,7 +3797,7 @@
operation_mode |= OFDM_SC_RA_RAM_OP_AUTO_HIER__M;
/* try first guess SC_RA_RAM_OP_PARAM_HIER_NO */
/* transmission_params |= OFDM_SC_RA_RAM_OP_PARAM_HIER_NO; */
- /* fall through */
+ fallthrough;
case HIERARCHY_1:
transmission_params |= OFDM_SC_RA_RAM_OP_PARAM_HIER_A1;
break;
@@ -3837,7 +3815,7 @@
case QAM_AUTO:
default:
operation_mode |= OFDM_SC_RA_RAM_OP_AUTO_CONST__M;
- /* fall through - try first guess DRX_CONSTELLATION_QAM64 */
+ fallthrough; /* try first guess DRX_CONSTELLATION_QAM64 */
case QAM_64:
transmission_params |= OFDM_SC_RA_RAM_OP_PARAM_CONST_QAM64;
break;
@@ -3862,13 +3840,13 @@
WR16(dev_addr, OFDM_EC_SB_PRIOR__A,
OFDM_EC_SB_PRIOR_HI));
break;
- case DRX_PRIORITY_UNKNOWN: /* fall through */
+ case DRX_PRIORITY_UNKNOWN:
default:
status = -EINVAL;
goto error;
}
#else
- /* Set Priorty high */
+ /* Set Priority high */
transmission_params |= OFDM_SC_RA_RAM_OP_PARAM_PRIO_HI;
status = write16(state, OFDM_EC_SB_PRIOR__A, OFDM_EC_SB_PRIOR_HI);
if (status < 0)
@@ -3880,7 +3858,7 @@
case FEC_AUTO:
default:
operation_mode |= OFDM_SC_RA_RAM_OP_AUTO_RATE__M;
- /* fall through - try first guess DRX_CODERATE_2DIV3 */
+ fallthrough; /* try first guess DRX_CODERATE_2DIV3 */
case FEC_2_3:
transmission_params |= OFDM_SC_RA_RAM_OP_PARAM_RATE_2_3;
break;
@@ -3899,7 +3877,7 @@
}
/*
- * SAW filter selection: normaly not necesarry, but if wanted
+ * SAW filter selection: normally not necessary, but if wanted
* the application can select a SAW filter via the driver by
* using UIOs
*/
@@ -3914,7 +3892,7 @@
switch (state->props.bandwidth_hz) {
case 0:
state->props.bandwidth_hz = 8000000;
- /* fall through */
+ fallthrough;
case 8000000:
bandwidth = DRXK_BANDWIDTH_8MHZ_IN_HZ;
status = write16(state, OFDM_SC_RA_RAM_SRMM_FIX_FACT_8K__A,
@@ -5421,7 +5399,7 @@
set_param_parameters[3] |= (QAM_MIRROR_AUTO_ON);
/* Env parameters */
- /* check for LOCKRANGE Extented */
+ /* check for LOCKRANGE Extended */
/* set_param_parameters[3] |= QAM_LOCKRANGE_NORMAL; */
status = scu_command(state,
@@ -6694,7 +6672,7 @@
static int drxk_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
{
struct drxk_state *state = fe->demodulator_priv;
- u16 err;
+ u16 err = 0;
dprintk(1, "\n");
@@ -6867,7 +6845,7 @@
kfree(state);
return NULL;
}
-EXPORT_SYMBOL(drxk_attach);
+EXPORT_SYMBOL_GPL(drxk_attach);
MODULE_DESCRIPTION("DRX-K driver");
MODULE_AUTHOR("Ralph Metzler");
--
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