[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 <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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 @@
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,