KYCR1
sh_keysc_write(priv, KYCR1, (sh_keysc_mode[pdata->mode].kymd << 8) |
value = sh_keysc_read(priv, KYCR1);
sh_keysc_write(priv, KYCR1, value | 0x80);
sh_keysc_write(priv, KYCR1, value & ~0x80);