V4L/DVB (10288): af9015: bug fix: stick does not work always when plugged
First control messages to the stick timeouts very often due to probable
hw bug. Repeat first message few times if it fails as workaround.
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/dvb/dvb-usb/af9015.c b/drivers/media/dvb/dvb-usb/af9015.c
index dbeaf79..6a97a40 100644
--- a/drivers/media/dvb/dvb-usb/af9015.c
+++ b/drivers/media/dvb/dvb-usb/af9015.c
@@ -694,7 +694,12 @@
/* IR remote controller */
req.addr = AF9015_EEPROM_IR_MODE;
- ret = af9015_rw_udev(udev, &req);
+ /* first message will timeout often due to possible hw bug */
+ for (i = 0; i < 4; i++) {
+ ret = af9015_rw_udev(udev, &req);
+ if (!ret)
+ break;
+ }
if (ret)
goto error;
deb_info("%s: IR mode:%d\n", __func__, val);