diff options
Diffstat (limited to 'drivers/media/dvb/bt8xx/dst_ca.c')
| -rw-r--r-- | drivers/media/dvb/bt8xx/dst_ca.c | 24 |
1 files changed, 5 insertions, 19 deletions
diff --git a/drivers/media/dvb/bt8xx/dst_ca.c b/drivers/media/dvb/bt8xx/dst_ca.c index f77fda7..16645e0 100644 --- a/drivers/media/dvb/bt8xx/dst_ca.c +++ b/drivers/media/dvb/bt8xx/dst_ca.c @@ -69,26 +69,12 @@ static int ca_set_pid(void) } -static int put_checksum(u8 *check_string, int length) +static void put_checksum(u8 *check_string, int length) { - u8 i = 0, checksum = 0; - - dprintk(verbose, DST_CA_DEBUG, 1, " ========================= Checksum calculation ==========================="); - dprintk(verbose, DST_CA_DEBUG, 1, " String Length=[0x%02x]", length); - dprintk(verbose, DST_CA_DEBUG, 1, " String=["); - - while (i < length) { - dprintk(verbose, DST_CA_DEBUG, 0, " %02x", check_string[i]); - checksum += check_string[i]; - i++; - } - dprintk(verbose, DST_CA_DEBUG, 0, " ]\n"); - dprintk(verbose, DST_CA_DEBUG, 1, "Sum=[%02x]\n", checksum); - check_string[length] = ~checksum + 1; - dprintk(verbose, DST_CA_DEBUG, 1, " Checksum=[%02x]", check_string[length]); - dprintk(verbose, DST_CA_DEBUG, 1, " =========================================================================="); - - return 0; + dprintk(verbose, DST_CA_DEBUG, 1, " Computing string checksum."); + dprintk(verbose, DST_CA_DEBUG, 1, " -> string length : 0x%02x", length); + check_string[length] = dst_check_sum (check_string, length); + dprintk(verbose, DST_CA_DEBUG, 1, " -> checksum : 0x%02x", check_string[length]); } static int dst_ci_command(struct dst_state* state, u8 * data, u8 *ca_string, u8 len, int read) |