From 69504793dfb42bdd0e647c948047b71e9c3307f2 Mon Sep 17 00:00:00 2001 From: Antti Palosaari Date: Sun, 16 Sep 2012 22:26:55 -0300 Subject: [PATCH] [media] tua9001: enter full power save on attach Disable RXEN and enable RESETN pins on attach to ensure chip is totally powered down after attach. Signed-off-by: Antti Palosaari Signed-off-by: Mauro Carvalho Chehab --- drivers/media/tuners/tua9001.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/media/tuners/tua9001.c b/drivers/media/tuners/tua9001.c index e6394fc884b0..389668474070 100644 --- a/drivers/media/tuners/tua9001.c +++ b/drivers/media/tuners/tua9001.c @@ -261,6 +261,16 @@ struct dvb_frontend *tua9001_attach(struct dvb_frontend *fe, TUA9001_CMD_CEN, 1); if (ret < 0) goto err; + + ret = fe->callback(priv->i2c, DVB_FRONTEND_COMPONENT_TUNER, + TUA9001_CMD_RXEN, 0); + if (ret < 0) + goto err; + + ret = fe->callback(priv->i2c, DVB_FRONTEND_COMPONENT_TUNER, + TUA9001_CMD_RESETN, 1); + if (ret < 0) + goto err; } dev_info(&priv->i2c->dev,