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[media] tua9001: enter full power save on attach

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Disable RXEN and enable RESETN pins on attach to ensure chip is
totally powered down after attach.

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Antti Palosaari
2012-09-16 22:26:55 -03:00
committed by Mauro Carvalho Chehab
parent b6ba418ef4
commit 69504793df
1 changed files with 10 additions and 0 deletions
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10
drivers/media/tuners/tua9001.c
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@@ -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,