[media] m920x: factor out a m920x_write_seq() function
This is in preparation for the vp7049 frontend attach function which is
going to set a sequence of registers as well.
Signed-off-by: Antonio Ospite <ospite@studenti.unina.it>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/usb/dvb-usb/m920x.c b/drivers/media/usb/dvb-usb/m920x.c
index 433696d..23416fb 100644
--- a/drivers/media/usb/dvb-usb/m920x.c
+++ b/drivers/media/usb/dvb-usb/m920x.c
@@ -63,6 +63,21 @@
return ret;
}
+static inline int m920x_write_seq(struct usb_device *udev, u8 request,
+ struct m920x_inits *seq)
+{
+ int ret;
+ while (seq->address) {
+ ret = m920x_write(udev, request, seq->data, seq->address);
+ if (ret != 0)
+ return ret;
+
+ seq++;
+ }
+
+ return ret;
+}
+
static int m920x_init(struct dvb_usb_device *d, struct m920x_inits *rc_seq)
{
int ret = 0, i, epi, flags = 0;
@@ -71,15 +86,10 @@
/* Remote controller init. */
if (d->props.rc.legacy.rc_query) {
deb("Initialising remote control\n");
- while (rc_seq->address) {
- if ((ret = m920x_write(d->udev, M9206_CORE,
- rc_seq->data,
- rc_seq->address)) != 0) {
- deb("Initialising remote control failed\n");
- return ret;
- }
-
- rc_seq++;
+ ret = m920x_write_seq(d->udev, M9206_CORE, rc_seq);
+ if (ret != 0) {
+ deb("Initialising remote control failed\n");
+ return ret;
}
deb("Initialising remote control success\n");