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[media] ts2020: do not use i2c_transfer() on sleep()

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

Tested-by: David Howells <dhowells@redhat.com>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Antti Palosaari 2015-03-24 09:40:58 -03:00 committed by Mauro Carvalho Chehab
parent ce0b065a7c
commit b3226f961a
1 changed files with 6 additions and 21 deletions
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27
drivers/media/dvb-frontends/ts2020.c
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@ -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
};
u8 u8tmp;
if (priv->tuner == TS2020_M88TS2022)
buf[0] = 0x00;
if (priv->tuner == TS2020_M88TS2020)
u8tmp = 0x0a; /* XXX: probably wrong */
else
u8tmp = 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__);
if (fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 0);
return (ret == 1) ? 0 : ret;
return ts2020_writereg(fe, u8tmp, 0x00);
}
static int ts2020_init(struct dvb_frontend *fe)