34 static int ec100_write_reg(struct ec100_state *state, u8 reg, u8 val)  in ec100_write_reg()  argument
40 			.addr = state->config.demod_address,  in ec100_write_reg()
47 	ret = i2c_transfer(state->i2c, msg, 1);  in ec100_write_reg()
51 		dev_warn(&state->i2c->dev, "%s: i2c wr failed=%d reg=%02x\n",  in ec100_write_reg()
60 static int ec100_read_reg(struct ec100_state *state, u8 reg, u8 *val)  in ec100_read_reg()  argument
65 			.addr = state->config.demod_address,  in ec100_read_reg()
70 			.addr = state->config.demod_address,  in ec100_read_reg()
77 	ret = i2c_transfer(state->i2c, msg, 2);  in ec100_read_reg()
81 		dev_warn(&state->i2c->dev, "%s: i2c rd failed=%d reg=%02x\n",  in ec100_read_reg()
92 	struct ec100_state *state = fe->demodulator_priv;  in ec100_set_frontend()  local
96 	dev_dbg(&state->i2c->dev, "%s: frequency=%d bandwidth_hz=%d\n",  in ec100_set_frontend()
103 	ret = ec100_write_reg(state, 0x04, 0x06);  in ec100_set_frontend()
106 	ret = ec100_write_reg(state, 0x67, 0x58);  in ec100_set_frontend()
109 	ret = ec100_write_reg(state, 0x05, 0x18);  in ec100_set_frontend()
136 	ret = ec100_write_reg(state, 0x1b, tmp);  in ec100_set_frontend()
139 	ret = ec100_write_reg(state, 0x1c, tmp2);  in ec100_set_frontend()
143 	ret = ec100_write_reg(state, 0x0c, 0xbb); /* if freq */  in ec100_set_frontend()
146 	ret = ec100_write_reg(state, 0x0d, 0x31); /* if freq */  in ec100_set_frontend()
150 	ret = ec100_write_reg(state, 0x08, 0x24);  in ec100_set_frontend()
154 	ret = ec100_write_reg(state, 0x00, 0x00); /* go */  in ec100_set_frontend()
157 	ret = ec100_write_reg(state, 0x00, 0x20); /* go */  in ec100_set_frontend()
163 	dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);  in ec100_set_frontend()
179 	struct ec100_state *state = fe->demodulator_priv;  in ec100_read_status()  local
184 	ret = ec100_read_reg(state, 0x42, &tmp);  in ec100_read_status()
193 		ret = ec100_read_reg(state, 0x01, &tmp);  in ec100_read_status()
209 	dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);  in ec100_read_status()
215 	struct ec100_state *state = fe->demodulator_priv;  in ec100_read_ber()  local
222 	ret = ec100_read_reg(state, 0x65, &tmp);  in ec100_read_ber()
225 	ret = ec100_read_reg(state, 0x66, &tmp2);  in ec100_read_ber()
232 	if (ber2 < state->ber)  in ec100_read_ber()
235 		*ber = ber2 - state->ber;  in ec100_read_ber()
237 	state->ber = ber2;  in ec100_read_ber()
241 	dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);  in ec100_read_ber()
247 	struct ec100_state *state = fe->demodulator_priv;  in ec100_read_signal_strength()  local
251 	ret = ec100_read_reg(state, 0x24, &tmp);  in ec100_read_signal_strength()
261 	dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);  in ec100_read_signal_strength()
279 	struct ec100_state *state = fe->demodulator_priv;  in ec100_release()  local
280 	kfree(state);  in ec100_release()
289 	struct ec100_state *state = NULL;  in ec100_attach()  local
293 	state = kzalloc(sizeof(struct ec100_state), GFP_KERNEL);  in ec100_attach()
294 	if (state == NULL)  in ec100_attach()
298 	state->i2c = i2c;  in ec100_attach()
299 	memcpy(&state->config, config, sizeof(struct ec100_config));  in ec100_attach()
302 	ret = ec100_read_reg(state, 0x33, &tmp);  in ec100_attach()
307 	memcpy(&state->frontend.ops, &ec100_ops,  in ec100_attach()
309 	state->frontend.demodulator_priv = state;  in ec100_attach()
311 	return &state->frontend;  in ec100_attach()
313 	kfree(state);  in ec100_attach()