add ax88772_rst

hc

2024-05-10 9999e48639b3cecb08ffb37358bcba3b48161b29

 kernel/drivers/media/dvb-frontends/dvb_dummy_fe.c
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@@ -1,18 +1,8 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  *  Driver for Dummy Frontend
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  *
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  *  Written by Emard <emard@softhome.net>
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- *
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- *  This program is free software; you can redistribute it and/or modify
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- *  it under the terms of the GNU General Public License as published by
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- *  the Free Software Foundation; either version 2 of the License, or
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- *  (at your option) any later version.
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- *
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- *  This program is distributed in the hope that it will be useful,
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- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
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- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- *
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- *  GNU General Public License for more details.
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  */
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 #include <linux/module.h>
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@@ -41,25 +31,26 @@
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 	return 0;
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 }
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-static int dvb_dummy_fe_read_ber(struct dvb_frontend* fe, u32* ber)
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+static int dvb_dummy_fe_read_ber(struct dvb_frontend *fe, u32 *ber)
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 {
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 	*ber = 0;
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 	return 0;
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 }
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-static int dvb_dummy_fe_read_signal_strength(struct dvb_frontend* fe, u16* strength)
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+static int dvb_dummy_fe_read_signal_strength(struct dvb_frontend *fe,
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+					     u16 *strength)
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 {
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 	*strength = 0;
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 	return 0;
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 }
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-static int dvb_dummy_fe_read_snr(struct dvb_frontend* fe, u16* snr)
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+static int dvb_dummy_fe_read_snr(struct dvb_frontend *fe, u16 *snr)
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 {
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 	*snr = 0;
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 	return 0;
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 }
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-static int dvb_dummy_fe_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
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+static int dvb_dummy_fe_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
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 {
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 	*ucblocks = 0;
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 	return 0;
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@@ -87,12 +78,12 @@
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 	return 0;
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 }
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-static int dvb_dummy_fe_sleep(struct dvb_frontend* fe)
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+static int dvb_dummy_fe_sleep(struct dvb_frontend *fe)
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 {
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 	return 0;
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 }
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-static int dvb_dummy_fe_init(struct dvb_frontend* fe)
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+static int dvb_dummy_fe_init(struct dvb_frontend *fe)
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 {
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 	return 0;
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 }
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@@ -109,17 +100,18 @@
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 	return 0;
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 }
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-static void dvb_dummy_fe_release(struct dvb_frontend* fe)
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+static void dvb_dummy_fe_release(struct dvb_frontend *fe)
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 {
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-	struct dvb_dummy_fe_state* state = fe->demodulator_priv;
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+	struct dvb_dummy_fe_state *state = fe->demodulator_priv;
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+
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 	kfree(state);
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 }
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 static const struct dvb_frontend_ops dvb_dummy_fe_ofdm_ops;
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-struct dvb_frontend* dvb_dummy_fe_ofdm_attach(void)
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+struct dvb_frontend *dvb_dummy_fe_ofdm_attach(void)
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 {
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-	struct dvb_dummy_fe_state* state = NULL;
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+	struct dvb_dummy_fe_state *state = NULL;
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 	/* allocate memory for the internal state */
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 	state = kzalloc(sizeof(struct dvb_dummy_fe_state), GFP_KERNEL);
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@@ -127,16 +119,20 @@
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 		return NULL;
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 	/* create dvb_frontend */
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-	memcpy(&state->frontend.ops, &dvb_dummy_fe_ofdm_ops, sizeof(struct dvb_frontend_ops));
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+	memcpy(&state->frontend.ops,
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+	       &dvb_dummy_fe_ofdm_ops,
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+	       sizeof(struct dvb_frontend_ops));
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+
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 	state->frontend.demodulator_priv = state;
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 	return &state->frontend;
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 }
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+EXPORT_SYMBOL(dvb_dummy_fe_ofdm_attach);
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 static const struct dvb_frontend_ops dvb_dummy_fe_qpsk_ops;
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 struct dvb_frontend *dvb_dummy_fe_qpsk_attach(void)
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 {
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-	struct dvb_dummy_fe_state* state = NULL;
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+	struct dvb_dummy_fe_state *state = NULL;
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 	/* allocate memory for the internal state */
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 	state = kzalloc(sizeof(struct dvb_dummy_fe_state), GFP_KERNEL);
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@@ -144,16 +140,20 @@
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 		return NULL;
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 	/* create dvb_frontend */
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-	memcpy(&state->frontend.ops, &dvb_dummy_fe_qpsk_ops, sizeof(struct dvb_frontend_ops));
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+	memcpy(&state->frontend.ops,
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+	       &dvb_dummy_fe_qpsk_ops,
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+	       sizeof(struct dvb_frontend_ops));
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+
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 	state->frontend.demodulator_priv = state;
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 	return &state->frontend;
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 }
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+EXPORT_SYMBOL(dvb_dummy_fe_qpsk_attach);
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 static const struct dvb_frontend_ops dvb_dummy_fe_qam_ops;
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 struct dvb_frontend *dvb_dummy_fe_qam_attach(void)
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 {
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-	struct dvb_dummy_fe_state* state = NULL;
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+	struct dvb_dummy_fe_state *state = NULL;
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 	/* allocate memory for the internal state */
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 	state = kzalloc(sizeof(struct dvb_dummy_fe_state), GFP_KERNEL);
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@@ -161,10 +161,14 @@
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 		return NULL;
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 	/* create dvb_frontend */
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-	memcpy(&state->frontend.ops, &dvb_dummy_fe_qam_ops, sizeof(struct dvb_frontend_ops));
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+	memcpy(&state->frontend.ops,
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+	       &dvb_dummy_fe_qam_ops,
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+	       sizeof(struct dvb_frontend_ops));
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+
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 	state->frontend.demodulator_priv = state;
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 	return &state->frontend;
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 }
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+EXPORT_SYMBOL(dvb_dummy_fe_qam_attach);
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 static const struct dvb_frontend_ops dvb_dummy_fe_ofdm_ops = {
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 	.delsys = { SYS_DVBT },
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@@ -173,13 +177,21 @@
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 		.frequency_min_hz	= 0,
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 		.frequency_max_hz	= 863250 * kHz,
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 		.frequency_stepsize_hz	= 62500,
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-		.caps = FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 |
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-				FE_CAN_FEC_4_5 | FE_CAN_FEC_5_6 | FE_CAN_FEC_6_7 |
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-				FE_CAN_FEC_7_8 | FE_CAN_FEC_8_9 | FE_CAN_FEC_AUTO |
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-				FE_CAN_QAM_16 | FE_CAN_QAM_64 | FE_CAN_QAM_AUTO |
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-				FE_CAN_TRANSMISSION_MODE_AUTO |
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-				FE_CAN_GUARD_INTERVAL_AUTO |
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-				FE_CAN_HIERARCHY_AUTO,
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+		.caps = FE_CAN_FEC_1_2 |
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+			FE_CAN_FEC_2_3 |
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+			FE_CAN_FEC_3_4 |
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+			FE_CAN_FEC_4_5 |
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+			FE_CAN_FEC_5_6 |
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+			FE_CAN_FEC_6_7 |
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+			FE_CAN_FEC_7_8 |
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+			FE_CAN_FEC_8_9 |
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+			FE_CAN_FEC_AUTO |
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+			FE_CAN_QAM_16 |
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+			FE_CAN_QAM_64 |
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+			FE_CAN_QAM_AUTO |
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+			FE_CAN_TRANSMISSION_MODE_AUTO |
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+			FE_CAN_GUARD_INTERVAL_AUTO |
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+			FE_CAN_HIERARCHY_AUTO,
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 	},
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 	.release = dvb_dummy_fe_release,
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@@ -204,11 +216,16 @@
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 		.frequency_min_hz	=  51 * MHz,
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 		.frequency_max_hz	= 858 * MHz,
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 		.frequency_stepsize_hz	= 62500,
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-		.symbol_rate_min	= (57840000 / 2) / 64,  /* SACLK/64 == (XIN/2)/64 */
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+		/* symbol_rate_min: SACLK/64 == (XIN/2)/64 */
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+		.symbol_rate_min	= (57840000 / 2) / 64,
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 		.symbol_rate_max	= (57840000 / 2) / 4,   /* SACLK/4 */
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-		.caps = FE_CAN_QAM_16 | FE_CAN_QAM_32 | FE_CAN_QAM_64 |
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-			FE_CAN_QAM_128 | FE_CAN_QAM_256 |
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-			FE_CAN_FEC_AUTO | FE_CAN_INVERSION_AUTO
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+		.caps = FE_CAN_QAM_16 |
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+			FE_CAN_QAM_32 |
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+			FE_CAN_QAM_64 |
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+			FE_CAN_QAM_128 |
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+			FE_CAN_QAM_256 |
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+			FE_CAN_FEC_AUTO |
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+			FE_CAN_INVERSION_AUTO
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 	},
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 	.release = dvb_dummy_fe_release,
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@@ -237,8 +254,12 @@
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 		.symbol_rate_min	= 1000000,
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 		.symbol_rate_max	= 45000000,
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 		.caps = FE_CAN_INVERSION_AUTO |
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-			FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 |
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-			FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO |
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+			FE_CAN_FEC_1_2 |
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+			FE_CAN_FEC_2_3 |
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+			FE_CAN_FEC_3_4 |
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+			FE_CAN_FEC_5_6 |
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+			FE_CAN_FEC_7_8 |
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+			FE_CAN_FEC_AUTO |
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 			FE_CAN_QPSK
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 	},
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@@ -263,7 +284,3 @@
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 MODULE_DESCRIPTION("DVB DUMMY Frontend");
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 MODULE_AUTHOR("Emard");
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 MODULE_LICENSE("GPL");
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-
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-EXPORT_SYMBOL(dvb_dummy_fe_ofdm_attach);
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-EXPORT_SYMBOL(dvb_dummy_fe_qam_attach);
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-EXPORT_SYMBOL(dvb_dummy_fe_qpsk_attach);