[media] usb: pulse8-cec: Use cec_get_drvdata()

Use helper function to get driver private data from CEC
adapter.
Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

drivers/media/usb/pulse8-cec/pulse8-cec.c

@@ -461,7 +461,7 @@ static int pulse8_apply_persistent_config(struct pulse8 *pulse8,
 
 static int pulse8_cec_adap_enable(struct cec_adapter *adap, bool enable)
 {
-	struct pulse8 *pulse8 = adap->priv;
+	struct pulse8 *pulse8 = cec_get_drvdata(adap);
 	u8 cmd[16];
 	int err;
 
@@ -474,7 +474,7 @@ static int pulse8_cec_adap_enable(struct cec_adapter *adap, bool enable)
 
 static int pulse8_cec_adap_log_addr(struct cec_adapter *adap, u8 log_addr)
 {
-	struct pulse8 *pulse8 = adap->priv;
+	struct pulse8 *pulse8 = cec_get_drvdata(adap);
 	u16 mask = 0;
 	u16 pa = adap->phys_addr;
 	u8 cmd[16];
@@ -594,7 +594,7 @@ static int pulse8_cec_adap_log_addr(struct cec_adapter *adap, u8 log_addr)
 static int pulse8_cec_adap_transmit(struct cec_adapter *adap, u8 attempts,
 				    u32 signal_free_time, struct cec_msg *msg)
 {
-	struct pulse8 *pulse8 = adap->priv;
+	struct pulse8 *pulse8 = cec_get_drvdata(adap);
 	u8 cmd[2];
 	unsigned int i;
 	int err;