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V4L/DVB (10288): af9015: bug fix: stick does not work always when plugged

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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
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@ -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);