MRFLD_PCI_CSI_CONTROL_CSI_READY
isp->saved_regs.csi_control | MRFLD_PCI_CSI_CONTROL_CSI_READY);
isp->saved_regs.csi_control & ~MRFLD_PCI_CSI_CONTROL_CSI_READY);
isp->saved_regs.csi_control |= MRFLD_PCI_CSI_CONTROL_CSI_READY;