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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>
This commit is contained in:
Antti Palosaari 2009-01-20 14:56:20 -03:00 committed by Mauro Carvalho Chehab
parent f0830ebec9
commit d1a470fbd9
1 changed files with 6 additions and 1 deletions
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7
drivers/media/dvb/dvb-usb/af9015.c
View File

@ -694,7 +694,12 @@ static int af9015_read_config(struct usb_device *udev)
/* 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);