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| author | Kalle Valo <kvalo@qca.qualcomm.com> | 2011-12-16 23:10:39 +0400 |
|---|---|---|
| committer | Kalle Valo <kvalo@qca.qualcomm.com> | 2011-12-16 23:10:39 +0400 |
| commit | 7e95e365d5399647a41e10059e4b09826b82d78b (patch) | |
| tree | 305c9968798adae3d9484657339fa39d2a5fdaac /drivers/media/dvb/ttpci/ttpci-eeprom.c | |
| parent | 3ca9d1fc9aa64077645a26c396de9399b49ea226 (diff) | |
| parent | 5bd5e9a6ae5137a61d0b5c277eac61892d89fc4f (diff) | |
| download | linux-7e95e365d5399647a41e10059e4b09826b82d78b.tar.xz | |
Merge remote branch 'wireless-next/master' into ath6kl-next
Conflicts:
drivers/net/wireless/ath/ath6kl/init.c
Diffstat (limited to 'drivers/media/dvb/ttpci/ttpci-eeprom.c')
| -rw-r--r-- | drivers/media/dvb/ttpci/ttpci-eeprom.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/media/dvb/ttpci/ttpci-eeprom.c b/drivers/media/dvb/ttpci/ttpci-eeprom.c index 7dd54b3026a2..32d43156c548 100644 --- a/drivers/media/dvb/ttpci/ttpci-eeprom.c +++ b/drivers/media/dvb/ttpci/ttpci-eeprom.c @@ -85,6 +85,35 @@ static int getmac_tt(u8 * decodedMAC, u8 * encodedMAC) return 0; } +int ttpci_eeprom_decode_mac(u8 *decodedMAC, u8 *encodedMAC) +{ + u8 xor[20] = { 0x72, 0x23, 0x68, 0x19, 0x5c, 0xa8, 0x71, 0x2c, + 0x54, 0xd3, 0x7b, 0xf1, 0x9E, 0x23, 0x16, 0xf6, + 0x1d, 0x36, 0x64, 0x78}; + u8 data[20]; + int i; + + memcpy(data, encodedMAC, 20); + + for (i = 0; i < 20; i++) + data[i] ^= xor[i]; + for (i = 0; i < 10; i++) + data[i] = ((data[2 * i + 1] << 8) | data[2 * i]) + >> ((data[2 * i + 1] >> 6) & 3); + + if (check_mac_tt(data)) + return -ENODEV; + + decodedMAC[0] = data[2]; + decodedMAC[1] = data[1]; + decodedMAC[2] = data[0]; + decodedMAC[3] = data[6]; + decodedMAC[4] = data[5]; + decodedMAC[5] = data[4]; + return 0; +} +EXPORT_SYMBOL(ttpci_eeprom_decode_mac); + static int ttpci_eeprom_read_encodedMAC(struct i2c_adapter *adapter, u8 * encodedMAC) { int ret; |