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Subject: [media] ts2020: do not use i2c_transfer() on sleep() Author: Antti Palosaari <[email protected]> Date: Tue Mar 24 09:40:58 2015 -0300 There is no need to use bulk i2c_transfer() to write single register. Use write register function instead. Tested-by: David Howells <[email protected]> Signed-off-by: Antti Palosaari <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]> drivers/media/dvb-frontends/ts2020.c | 27 ++++++--------------------- 1 files changed, 6 insertions(+), 21 deletions(-) --- http://git.linuxtv.org/cgit.cgi/media_tree.git/commit/?id=b3226f961aa91eb94971939400c7506e7dcc86c0 diff --git a/drivers/media/dvb-frontends/ts2020.c b/drivers/media/dvb-frontends/ts2020.c index b1d91dc..90164a3 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) _______________________________________________ linuxtv-commits mailing list [email protected] http://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
