diff options
| author | Chris Pascoe <c.pascoe@itee.uq.edu.au> | 2007-11-19 10:12:45 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2008-01-25 19:02:29 -0200 |
| commit | d7b22c5cfef28d21051331622f9595993a083cc4 (patch) | |
| tree | 0253af31eb08e48f5b0ae3ad1533fba657043b07 /drivers/media/video | |
| parent | b1535293dc816f01b0934718c370f9533c7d635e (diff) | |
V4L/DVB (6644): xc2028: use correct offset into scode firmware
When validating and loading SCODE firmware we need to take into account the
two-byte size header before each entry.
Signed-off-by: Chris Pascoe <c.pascoe@itee.uq.edu.au>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/video')
| -rw-r--r-- | drivers/media/video/tuner-xc2028.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/media/video/tuner-xc2028.c b/drivers/media/video/tuner-xc2028.c index 3edf5be4719..fbaab68fd05 100644 --- a/drivers/media/video/tuner-xc2028.c +++ b/drivers/media/video/tuner-xc2028.c @@ -565,9 +565,17 @@ static int load_scode(struct dvb_frontend *fe, unsigned int type, p = priv->firm[pos].ptr; - if ((priv->firm[pos].size != 12 * 16) || (scode >= 16)) + /* 16 SCODE entries per file; each SCODE entry is 12 bytes and + * has a 2-byte size header in the firmware format. */ + if (priv->firm[pos].size != 14 * 16 || scode >= 16 || + le16_to_cpu(*(__u16 *)(p + 14 * scode)) != 12) return -EINVAL; + tuner_info("Loading SCODE for type="); + dump_firm_type(priv->firm[pos].type); + printk("(%x), id %016llx.\n", priv->firm[pos].type, + (unsigned long long)*id); + if (priv->firm_version < 0x0202) rc = send_seq(priv, {0x20, 0x00, 0x00, 0x00}); else @@ -575,7 +583,7 @@ static int load_scode(struct dvb_frontend *fe, unsigned int type, if (rc < 0) return -EIO; - rc = i2c_send(priv, p + 12 * scode, 12); + rc = i2c_send(priv, p + 14 * scode + 2, 12); if (rc < 0) return -EIO; |