OV519_R51_RESET1
reg_w(sd, OV519_R51_RESET1, 0x0f);
reg_w(sd, OV519_R51_RESET1, 0x00);
reg_w(sd, OV519_R51_RESET1, 0x0f);
reg_w(sd, OV519_R51_RESET1, 0x00);
{ OV519_R51_RESET1, 0x0f },
{ OV519_R51_RESET1, 0x00 },
reg_w(sd, OV519_R51_RESET1, 0x0f); /* block stream */
reg_w(sd, OV519_R51_RESET1, 0x00); /* restart stream */