V4L/DVB (6648): xc2028: add sleep hook
Add sleep method to enable putting the tuner into standby mode.
Signed-off-by: Chris Pascoe <c.pascoe@itee.uq.edu.au>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/video/tuner-xc2028.c b/drivers/media/video/tuner-xc2028.c
index cc6fa2f..8f9ccae 100644
--- a/drivers/media/video/tuner-xc2028.c
+++ b/drivers/media/video/tuner-xc2028.c
@@ -929,6 +929,28 @@
}
+static int xc2028_sleep(struct dvb_frontend *fe)
+{
+ struct xc2028_data *priv = fe->tuner_priv;
+ int rc = 0;
+
+ tuner_dbg("%s called\n", __FUNCTION__);
+
+ mutex_lock(&priv->lock);
+
+ if (priv->firm_version < 0x0202)
+ rc = send_seq(priv, {0x00, 0x08, 0x00, 0x00});
+ else
+ rc = send_seq(priv, {0x80, 0x08, 0x00, 0x00});
+
+ priv->cur_fw.type = 0; /* need firmware reload */
+
+ mutex_unlock(&priv->lock);
+
+ return rc;
+}
+
+
static int xc2028_dvb_release(struct dvb_frontend *fe)
{
struct xc2028_data *priv = fe->tuner_priv;
@@ -1009,6 +1031,7 @@
.get_frequency = xc2028_get_frequency,
.get_rf_strength = xc2028_signal,
.set_params = xc2028_set_params,
+ .sleep = xc2028_sleep,
};