increased default minimal analog gain to match MT9P006 sensor

			} else if ($value == "gamma") {

				$gamma = 60;

				$black = 10;

//				$scale_r = ( int ) (1.0 * 1024);

//				$scale_g = ( int ) (0.9 * 1024);

//				$scale_b = ( int ) (1.1 * 1024);

//				$scale_gb = ( int ) (0.9 * 1024);

				$scale_r = ( int ) (1.0 * 1024);

				$scale_g = ( int ) (0.9 * 1024);

				$scale_b = ( int ) (1.1 * 1024);

				$scale_gb = ( int ) (0.9 * 1024);

				$scale_g = ( int ) (1.0 * 1024);

				$scale_b = ( int ) (1.0 * 1024);

				$scale_gb = ( int ) (1.0 * 1024);

				elphel_gamma_add ( 0.01 * $gamma, $black );

				// define P_GTAB_R 138 // combines (P_PIXEL_LOW<<24) | (P_GAMMA <<16) and 16-bit (6.10) scale for gamma tables, individually for each color.

				// 16Msbs are also "hash16" and do not need to be black level/gamma, just uniquely identify the table for applications

							$xml->addChild ( 'frame' . strval ( $sensor_port ),  $frame);

							//elphel_get_frame							

							// gets half-frame

							elphel_set_P_value ( $sensor_port, ELPHEL_MAXAHEAD, 2, 0, 8 ); // / When servicing interrupts, try programming up to 2 frames ahead of due time)

// 2016/09/09: Seems that with defualt 63, even on a single-channel autoexposure+ moving WOI breaks acquisition)

// With increased delay - seems OK

// Resizing - still breaks, probably for different reason

							elphel_set_P_value ( $sensor_port, ELPHEL_MEMSENSOR_DLY, 1024, $frame + 2, ELPHEL_CONST_FRAMEPAIR_FORCE_NEWPROC );

							elphel_set_P_value ( $sensor_port, ELPHEL_FPGA_XTRA, 1000, $frame + 3, ELPHEL_CONST_FRAMEPAIR_FORCE_NEWPROC ); // /compressor needs extra 1000 cycles to compress a frame (estimate)

							elphel_set_P_value ( $sensor_port, ELPHEL_EXTERN_TIMESTAMP, 1, $frame + 3, ELPHEL_CONST_FRAMEPAIR_FORCE_NEWPROC ); // / only used with async trigger

							fclose ( $framepars_file );

							$gamma = 57;

							$black = 10;

//							$scale_r = ( int ) (1.0 * 1024);

//							$scale_g = ( int ) (0.9 * 1024);

//							$scale_b = ( int ) (1.1 * 1024);

//							$scale_gb = ( int ) (0.9 * 1024);

							$scale_r = ( int ) (1.0 * 1024);

							$scale_g = ( int ) (0.9 * 1024);

							$scale_b = ( int ) (1.1 * 1024);

							$scale_gb = ( int ) (0.9 * 1024);

							$scale_g = ( int ) (1.0 * 1024);

							$scale_b = ( int ) (1.0 * 1024);

							$scale_gb = ( int ) (1.0 * 1024);

							elphel_gamma_add ( 0.01 * $gamma, $black ); // does not depend on $GLOBALS['sensor_port']

							                                            // define P_GTAB_R 138 // combines (P_PIXEL_LOW<<24) | (P_GAMMA <<16) and 16-bit (6.10) scale for gamma tables, individually for each color.

							                                            // 16Msbs are also "hash16" and do not need to be black level/gamma, just uniqualy identify the table for applications

              ."&WB_SCALE_GB=0x10000" /// additional correction for GB (second green) from calulated by white balance (16.16)

              ."&WB_SCALE_B=0x10000"  /// additional correction for B from calulated by white balance (16.16)

              ."&WB_THRESH=500"       /// WB errors are integrated between frame and corrections are scaled when error is below thershold (500)

              ."&GAIN_MIN=0x10000"      /// minimal sensor analog gain (0x100 - 1.0)

              ."&GAIN_MIN=0x18000"    /// minimal sensor analog gain (0x100 - 1.0)

              ."&GAIN_MAX=0xfc000"    /// maximal sensor analog gain (0x100 - 1.0)

//              ."&GAIN_STEP=0x20"      /// minimal correction to be applied to the analog gain (should be set larger that sensor

//                                      /// actual gain step to prevent oscillations (0x100 - 1.0, 0x40 - 1/8)