27 static int jdvbt90502_reg_read(struct jdvbt90502_state *state,  in jdvbt90502_reg_read()  argument
38 	msg[0].addr = state->config.demod_address;  in jdvbt90502_reg_read()
48 	ret = i2c_transfer(state->i2c, msg, 2);  in jdvbt90502_reg_read()
57 static int jdvbt90502_single_reg_write(struct jdvbt90502_state *state,  in jdvbt90502_single_reg_write()  argument
66 	msg.addr = state->config.demod_address;  in jdvbt90502_single_reg_write()
71 	if (i2c_transfer(state->i2c, &msg, 1) != 1) {  in jdvbt90502_single_reg_write()
80 	struct jdvbt90502_state *state = fe->demodulator_priv;  in _jdvbt90502_write()  local
83 		err = jdvbt90502_single_reg_write(state,  in _jdvbt90502_write()
94 static int jdvbt90502_pll_read(struct jdvbt90502_state *state, u8 *result)  in jdvbt90502_pll_read()  argument
99 	u8 pll_addr_byte = (state->config.pll_address << 1) + 1;  in jdvbt90502_pll_read()
103 	ret = jdvbt90502_single_reg_write(state, JDVBT90502_2ND_I2C_REG,  in jdvbt90502_pll_read()
108 	ret = jdvbt90502_reg_read(state, 0x0100, result, 1);  in jdvbt90502_pll_read()
122 static int jdvbt90502_pll_set_freq(struct jdvbt90502_state *state, u32 freq)  in jdvbt90502_pll_set_freq()  argument
135 	       state->frontend.ops.info.frequency_stepsize);  in jdvbt90502_pll_set_freq()
138 	f = freq / state->frontend.ops.info.frequency_stepsize;  in jdvbt90502_pll_set_freq()
145 	pll_freq_cmd[ADDRESS_BYTE] = state->config.pll_address << 1;  in jdvbt90502_pll_set_freq()
151 	msg[0].addr = state->config.demod_address;  in jdvbt90502_pll_set_freq()
156 	ret = i2c_transfer(state->i2c, &msg[0], 1);  in jdvbt90502_pll_set_freq()
175 	ret = i2c_transfer(state->i2c, &msg[1], 1);  in jdvbt90502_pll_set_freq()
181 	ret = jdvbt90502_single_reg_write(state, 0x01, 0x40);  in jdvbt90502_pll_set_freq()
182 	ret |= jdvbt90502_single_reg_write(state, 0x01, 0x00);  in jdvbt90502_pll_set_freq()
190 		ret = jdvbt90502_reg_read(state, 0x0096, &res1, 1);  in jdvbt90502_pll_set_freq()
194 		ret = jdvbt90502_reg_read(state, 0x00B0, res2, sizeof(res2));  in jdvbt90502_pll_set_freq()
213 static int jdvbt90502_read_status(struct dvb_frontend *fe, fe_status_t *state)  in jdvbt90502_read_status()  argument
218 	*state = FE_HAS_SIGNAL;  in jdvbt90502_read_status()
226 	*state = FE_HAS_SIGNAL  in jdvbt90502_read_status()
232 		*state |= FE_HAS_LOCK;  in jdvbt90502_read_status()
309 	struct jdvbt90502_state *state = fe->demodulator_priv;  in jdvbt90502_set_frontend()  local
317 	ret = jdvbt90502_pll_set_freq(state, p->frequency);  in jdvbt90502_set_frontend()
378 	struct jdvbt90502_state *state = fe->demodulator_priv;  in jdvbt90502_init()  local
382 	msg.addr = state->config.demod_address;  in jdvbt90502_init()
387 		ret = i2c_transfer(state->i2c, &msg, 1);  in jdvbt90502_init()
404 	struct jdvbt90502_state *state = fe->demodulator_priv;  in jdvbt90502_release()  local
405 	kfree(state);  in jdvbt90502_release()
413 	struct jdvbt90502_state *state = NULL;  in jdvbt90502_attach()  local
418 	state = kzalloc(sizeof(struct jdvbt90502_state), GFP_KERNEL);  in jdvbt90502_attach()
419 	if (state == NULL)  in jdvbt90502_attach()
423 	state->i2c = &d->i2c_adap;  in jdvbt90502_attach()
424 	state->config = friio_fe_config;  in jdvbt90502_attach()
427 	state->frontend.ops = jdvbt90502_ops;  in jdvbt90502_attach()
428 	state->frontend.demodulator_priv = state;  in jdvbt90502_attach()
430 	if (jdvbt90502_init(&state->frontend) < 0)  in jdvbt90502_attach()
433 	return &state->frontend;  in jdvbt90502_attach()
436 	kfree(state);  in jdvbt90502_attach()