diff options
| author | Antti Palosaari <crope@iki.fi> | 2014-06-12 20:12:24 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <m.chehab@samsung.com> | 2014-07-26 12:04:10 -0300 |
| commit | 3ab25123373270152a9fae98e3c48ef1b2a878c0 (patch) | |
| tree | 7e334344e819edf3fc06ead31c47bcaae579735c /drivers/media/usb/dvb-usb-v2/af9035.c | |
| parent | 60ecb71a72e93384f6b0f3c5a18a2d1e73f48036 (diff) | |
[media] af9035: override tuner for AVerMedia A835B devices
Tuner ID set into EEPROM is wrong, which causes driver to select
wrong tuner profile. That leads device non-working. Fix issue by
overriding known bad tuner IDs with suitable default value.
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
Diffstat (limited to 'drivers/media/usb/dvb-usb-v2/af9035.c')
| -rw-r--r-- | drivers/media/usb/dvb-usb-v2/af9035.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/media/usb/dvb-usb-v2/af9035.c b/drivers/media/usb/dvb-usb-v2/af9035.c index 221af2b6e6cf..75ec1c659fdd 100644 --- a/drivers/media/usb/dvb-usb-v2/af9035.c +++ b/drivers/media/usb/dvb-usb-v2/af9035.c @@ -799,6 +799,25 @@ static int af9035_read_config(struct dvb_usb_device *d) addr += 0x10; /* shift for the 2nd tuner params */ } + /* + * These AVerMedia devices has a bad EEPROM content :-( + * Override some wrong values here. + */ + if (le16_to_cpu(d->udev->descriptor.idVendor) == USB_VID_AVERMEDIA) { + switch (le16_to_cpu(d->udev->descriptor.idProduct)) { + case USB_PID_AVERMEDIA_A835B_1835: + case USB_PID_AVERMEDIA_A835B_2835: + case USB_PID_AVERMEDIA_A835B_3835: + dev_info(&d->udev->dev, + "%s: overriding tuner from %02x to %02x\n", + KBUILD_MODNAME, state->af9033_config[0].tuner, + AF9033_TUNER_IT9135_60); + + state->af9033_config[0].tuner = AF9033_TUNER_IT9135_60; + break; + } + } + skip_eeprom: /* get demod clock */ ret = af9035_rd_reg(d, 0x00d800, &tmp); |