sh_keysc_write
sh_keysc_write(priv, KYCR2, KYCR2_IRQ_DISABLED);
sh_keysc_write(priv, KYOUTDR, 0xffff ^ (3 << (i * 2)));
sh_keysc_write(priv, KYCR1, (sh_keysc_mode[pdata->mode].kymd << 8) |
sh_keysc_write(priv, KYCR2, KYCR2_IRQ_DISABLED);
sh_keysc_write(priv, KYCR1, value | 0x80);
sh_keysc_write(priv, KYCR1, value & ~0x80);
sh_keysc_write(p, KYOUTDR, 0);
sh_keysc_write(p, KYCR2, KYCR2_IRQ_LEVEL | (keys_set << 8));