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-rw-r--r--drivers/thermal/qcom/tsens-v0_1.c11
-rw-r--r--drivers/thermal/qcom/tsens.c16
-rw-r--r--drivers/thermal/qcom/tsens.h4
3 files changed, 30 insertions, 1 deletions
diff --git a/drivers/thermal/qcom/tsens-v0_1.c b/drivers/thermal/qcom/tsens-v0_1.c
index 9802ae1d4fcf..4a55a8ea0043 100644
--- a/drivers/thermal/qcom/tsens-v0_1.c
+++ b/drivers/thermal/qcom/tsens-v0_1.c
@@ -241,6 +241,17 @@ static int __init init_9607(struct tsens_priv *priv)
for (i = 0; i < priv->num_sensors; ++i)
priv->sensor[i].slope = 3000;
+ priv->sensor[0].p1_calib_offset = 1;
+ priv->sensor[0].p2_calib_offset = 1;
+ priv->sensor[1].p1_calib_offset = -4;
+ priv->sensor[1].p2_calib_offset = -2;
+ priv->sensor[2].p1_calib_offset = 4;
+ priv->sensor[2].p2_calib_offset = 8;
+ priv->sensor[3].p1_calib_offset = -3;
+ priv->sensor[3].p2_calib_offset = -5;
+ priv->sensor[4].p1_calib_offset = -4;
+ priv->sensor[4].p2_calib_offset = -4;
+
return init_common(priv);
}
diff --git a/drivers/thermal/qcom/tsens.c b/drivers/thermal/qcom/tsens.c
index 1c457b55efb3..9dd5e4b70911 100644
--- a/drivers/thermal/qcom/tsens.c
+++ b/drivers/thermal/qcom/tsens.c
@@ -134,10 +134,12 @@ int tsens_read_calibration(struct tsens_priv *priv, int shift, u32 *p1, u32 *p2,
p1[i] = p1[i] + (base1 << shift);
break;
case TWO_PT_CALIB:
+ case TWO_PT_CALIB_NO_OFFSET:
for (i = 0; i < priv->num_sensors; i++)
p2[i] = (p2[i] + base2) << shift;
fallthrough;
case ONE_PT_CALIB2:
+ case ONE_PT_CALIB2_NO_OFFSET:
for (i = 0; i < priv->num_sensors; i++)
p1[i] = (p1[i] + base1) << shift;
break;
@@ -149,6 +151,18 @@ int tsens_read_calibration(struct tsens_priv *priv, int shift, u32 *p1, u32 *p2,
}
}
+ /* Apply calibration offset workaround except for _NO_OFFSET modes */
+ switch (mode) {
+ case TWO_PT_CALIB:
+ for (i = 0; i < priv->num_sensors; i++)
+ p2[i] += priv->sensor[i].p2_calib_offset;
+ fallthrough;
+ case ONE_PT_CALIB2:
+ for (i = 0; i < priv->num_sensors; i++)
+ p1[i] += priv->sensor[i].p1_calib_offset;
+ break;
+ }
+
return mode;
}
@@ -254,7 +268,7 @@ void compute_intercept_slope(struct tsens_priv *priv, u32 *p1,
if (!priv->sensor[i].slope)
priv->sensor[i].slope = SLOPE_DEFAULT;
- if (mode == TWO_PT_CALIB) {
+ if (mode == TWO_PT_CALIB || mode == TWO_PT_CALIB_NO_OFFSET) {
/*
* slope (m) = adc_code2 - adc_code1 (y2 - y1)/
* temp_120_degc - temp_30_degc (x2 - x1)
diff --git a/drivers/thermal/qcom/tsens.h b/drivers/thermal/qcom/tsens.h
index 433eba370998..1cd8f4fe0971 100644
--- a/drivers/thermal/qcom/tsens.h
+++ b/drivers/thermal/qcom/tsens.h
@@ -10,6 +10,8 @@
#define ONE_PT_CALIB 0x1
#define ONE_PT_CALIB2 0x2
#define TWO_PT_CALIB 0x3
+#define ONE_PT_CALIB2_NO_OFFSET 0x6
+#define TWO_PT_CALIB_NO_OFFSET 0x7
#define CAL_DEGC_PT1 30
#define CAL_DEGC_PT2 120
#define SLOPE_FACTOR 1000
@@ -57,6 +59,8 @@ struct tsens_sensor {
unsigned int hw_id;
int slope;
u32 status;
+ int p1_calib_offset;
+ int p2_calib_offset;
};
/**