3 files changed, 18 insertions, 7 deletions

diff --git a/drivers/iio/adc/ad7793.c b/drivers/iio/adc/ad7793.c
index eea0c79111e7..4d960d3b93c0 100644
--- a/drivers/iio/adc/ad7793.c
+++ b/drivers/iio/adc/ad7793.c
@@ -101,7 +101,7 @@
 #define AD7795_CH_AIN1M_AIN1M   8 /* AIN1(-) - AIN1(-) */
 
 /* ID Register Bit Designations (AD7793_REG_ID) */
-#define AD7785_ID               0xB
+#define AD7785_ID               0x3
 #define AD7792_ID               0xA
 #define AD7793_ID               0xB
 #define AD7794_ID               0xF
diff --git a/drivers/iio/adc/vf610_adc.c b/drivers/iio/adc/vf610_adc.c
index 599cde3d03a1..b10f629cc44b 100644
--- a/drivers/iio/adc/vf610_adc.c
+++ b/drivers/iio/adc/vf610_adc.c
@@ -106,6 +106,13 @@
 
 #define DEFAULT_SAMPLE_TIME             1000
 
+/* V at 25°C of 696 mV */
+#define VF610_VTEMP25_3V0               950
+/* V at 25°C of 699 mV */
+#define VF610_VTEMP25_3V3               867
+/* Typical sensor slope coefficient at all temperatures */
+#define VF610_TEMP_SLOPE_COEFF          1840
+
 enum clk_sel {
         VF610_ADCIOC_BUSCLK_SET,
         VF610_ADCIOC_ALTCLK_SET,
@@ -197,6 +204,8 @@ static inline void vf610_adc_calculate_rates(struct vf610_adc *info)
                 adc_feature->clk_div = 8;
         }
 
+        adck_rate = ipg_rate / adc_feature->clk_div;
+
         /*
          * Determine the long sample time adder value to be used based
          * on the default minimum sample time provided.
@@ -221,7 +230,6 @@ static inline void vf610_adc_calculate_rates(struct vf610_adc *info)
          * BCT (Base Conversion Time): fixed to 25 ADCK cycles for 12 bit mode
          * LSTAdder(Long Sample Time): 3, 5, 7, 9, 13, 17, 21, 25 ADCK cycles
          */
-        adck_rate = ipg_rate / info->adc_feature.clk_div;
         for (i = 0; i < ARRAY_SIZE(vf610_hw_avgs); i++)
                 info->sample_freq_avail[i] =
                         adck_rate / (6 + vf610_hw_avgs[i] *
@@ -663,11 +671,13 @@ static int vf610_read_raw(struct iio_dev *indio_dev,
                         break;
                 case IIO_TEMP:
                         /*
-                        * Calculate in degree Celsius times 1000
-                        * Using sensor slope of 1.84 mV/°C and
-                        * V at 25°C of 696 mV
-                        */
-                        *val = 25000 - ((int)info->value - 864) * 1000000 / 1840;
+                         * Calculate in degree Celsius times 1000
+                         * Using the typical sensor slope of 1.84 mV/°C
+                         * and VREFH_ADC at 3.3V, V at 25°C of 699 mV
+                         */
+                        *val = 25000 - ((int)info->value - VF610_VTEMP25_3V3) *
+                                        1000000 / VF610_TEMP_SLOPE_COEFF;
+
                         break;
                 default:
                         mutex_unlock(&indio_dev->mlock);
diff --git a/drivers/iio/adc/xilinx-xadc-core.c b/drivers/iio/adc/xilinx-xadc-core.c
index 0370624a35db..02e636a1c49a 100644
--- a/drivers/iio/adc/xilinx-xadc-core.c
+++ b/drivers/iio/adc/xilinx-xadc-core.c
@@ -841,6 +841,7 @@ static int xadc_read_raw(struct iio_dev *indio_dev,
                         case XADC_REG_VCCINT:
                         case XADC_REG_VCCAUX:
                         case XADC_REG_VREFP:
+                        case XADC_REG_VREFN:
                         case XADC_REG_VCCBRAM:
                         case XADC_REG_VCCPINT:
                         case XADC_REG_VCCPAUX: