diff mbox

[1/3] tua9001: enter full power save on attach

Message ID 1347848817-18607-1-git-send-email-crope@iki.fi (mailing list archive)
State New, archived
Headers show

Commit Message

Antti Palosaari Sept. 17, 2012, 2:26 a.m. UTC 
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>
---
 drivers/media/tuners/tua9001.c | 10 ++++++++++
 1 file changed, 10 insertions(+)
diff mbox

Patch

diff --git a/drivers/media/tuners/tua9001.c b/drivers/media/tuners/tua9001.c
index e6394fc..3896684 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,