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Commit b3226f96 authored by Antti Palosaari's avatar Antti Palosaari Committed by Mauro Carvalho Chehab
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[media] ts2020: do not use i2c_transfer() on sleep() 



There is no need to use bulk i2c_transfer() to write single register.
Use write register function instead.

Tested-by: default avatarDavid Howells <dhowells@redhat.com>
Signed-off-by: default avatarAntti Palosaari <crope@iki.fi>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@osg.samsung.com>
parent ce0b065a

drivers/media/dvb-frontends/ts2020.c

+6 −21
Original line number Diff line number Diff line
@@ -123,29 +123,14 @@ static int ts2020_readreg(struct dvb_frontend *fe, u8 reg) 
static int ts2020_sleep(struct dvb_frontend *fe)

{

	struct ts2020_priv *priv = fe->tuner_priv;

	int ret;

	u8 buf[] = { 10, 0 };

	struct i2c_msg msg = {

		.addr = priv->i2c_address,

		.flags = 0,

		.buf = buf,

		.len = 2

	};



	if (priv->tuner == TS2020_M88TS2022)

		buf[0] = 0x00;



	if (fe->ops.i2c_gate_ctrl)

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



	ret = i2c_transfer(priv->i2c, &msg, 1);

	if (ret != 1)

		printk(KERN_ERR "%s: i2c error\n", __func__);

	u8 u8tmp;



	if (fe->ops.i2c_gate_ctrl)

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

	if (priv->tuner == TS2020_M88TS2020)

		u8tmp = 0x0a; /* XXX: probably wrong */

	else

		u8tmp = 0x00;



	return (ret == 1) ? 0 : ret;

	return ts2020_writereg(fe, u8tmp, 0x00);

}



static int ts2020_init(struct dvb_frontend *fe)