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| author | Antti Palosaari <crope@iki.fi> | 2015-03-24 09:40:58 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2015-04-02 22:27:32 -0300 |
| commit | b3226f961aa91eb94971939400c7506e7dcc86c0 (patch) | |
| tree | 8bd26abad27fb392efa76224d1e29d27dc2ea52d /drivers/media/dvb-frontends/ts2020.c | |
| parent | ce0b065a7cc3cad8e974f1e8a5bead61563a3885 (diff) | |
| download | talos-obmc-linux-b3226f961aa91eb94971939400c7506e7dcc86c0.tar.gz talos-obmc-linux-b3226f961aa91eb94971939400c7506e7dcc86c0.zip | |
[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: David Howells <dhowells@redhat.com>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'drivers/media/dvb-frontends/ts2020.c')
| -rw-r--r-- | drivers/media/dvb-frontends/ts2020.c | 27 |
1 files changed, 6 insertions, 21 deletions
diff --git a/drivers/media/dvb-frontends/ts2020.c b/drivers/media/dvb-frontends/ts2020.c index b1d91dc46a47..90164a38cd36 100644 --- a/drivers/media/dvb-frontends/ts2020.c +++ b/drivers/media/dvb-frontends/ts2020.c @@ -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) |
