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Commit 452a53a2 authored by Michael Krufky's avatar Michael Krufky Committed by Mauro Carvalho Chehab
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V4L/DVB (8529): mxl5007t: enable _init and _sleep power management functionality 



Signed-off-by: default avatarMichael Krufky <mkrufky@linuxtv.org>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@infradead.org>
parent 2a83e4d5

drivers/media/common/tuners/mxl5007t.c

+34 −8
Original line number Diff line number Diff line
@@ -830,27 +830,53 @@ static int mxl5007t_set_analog_params(struct dvb_frontend *fe, 
static int mxl5007t_init(struct dvb_frontend *fe)

{

	struct mxl5007t_state *state = fe->tuner_priv;

	//int ret;

	int ret;

	u8 d;



	mutex_lock(&state->lock);

	/* do init */

//fail:



	if (fe->ops.i2c_gate_ctrl)

		fe->ops.i2c_gate_ctrl(fe, 1);



	ret = mxl5007t_read_reg(state, 0x05, &d);

	if (mxl_fail(ret))

		goto fail;



	ret = mxl5007t_write_reg(state, 0x05, d | 0x01);

	mxl_fail(ret);

fail:

	if (fe->ops.i2c_gate_ctrl)

		fe->ops.i2c_gate_ctrl(fe, 0);



	mutex_unlock(&state->lock);



	return 0;//ret;

	return ret;

}



static int mxl5007t_sleep(struct dvb_frontend *fe)

{

	struct mxl5007t_state *state = fe->tuner_priv;

	//int ret;

	int ret;

	u8 d;



	mutex_lock(&state->lock);

	/* do standby */

//fail:



	if (fe->ops.i2c_gate_ctrl)

		fe->ops.i2c_gate_ctrl(fe, 1);



	ret = mxl5007t_read_reg(state, 0x05, &d);

	if (mxl_fail(ret))

		goto fail;



	ret = mxl5007t_write_reg(state, 0x05, d & ~0x01);

	mxl_fail(ret);

fail:

	if (fe->ops.i2c_gate_ctrl)

		fe->ops.i2c_gate_ctrl(fe, 0);



	mutex_unlock(&state->lock);



	return 0;//ret;

	return ret;

}



/* ------------------------------------------------------------------------- */