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thermal: tsens: Add fuse-based correction factors for msm8952 

Additional per-sensor offets are being observed after factory
calibration. Fuse-based correction factors are implemented to the
existing 30 / 120 deg C calibration fuses.

Change-Id: I0415932c424da119c03b773e425ef50a02dfc119
Signed-off-by: Rama Krishna Phani A <rphani@codeaurora.org>
This commit is contained in:
Rama Krishna Phani A 2015-06-08 19:08:16 +05:30
parent 40ae1de58a
commit d78b3def1f
1 changed files with 118 additions and 1 deletions
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119
drivers/thermal/msm-tsens.c
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@ -636,6 +636,30 @@
#define TSENS9_MSM8952_POINT2_SHIFT 6
#define TSENS10_MSM8952_POINT2_SHIFT 18
#define TSENS_TWO_POINT_CALIB_N_WA 0x6
#define TSENS_TWO_POINT_CALIB_N_OFFSET_WA 0x7
#define TSENS_MSM8952_D30_WA_S0 2
#define TSENS_MSM8952_D30_WA_S1 4
#define TSENS_MSM8952_D30_WA_S2 4
#define TSENS_MSM8952_D30_WA_S3 1
#define TSENS_MSM8952_D30_WA_S4 2
#define TSENS_MSM8952_D30_WA_S5 1
#define TSENS_MSM8952_D30_WA_S7 3
#define TSENS_MSM8952_D30_WA_S8 2
#define TSENS_MSM8952_D30_WA_S10 3
#define TSENS_MSM8952_D120_WA_S0 1
#define TSENS_MSM8952_D120_WA_S1 4
#define TSENS_MSM8952_D120_WA_S2 5
#define TSENS_MSM8952_D120_WA_S3 1
#define TSENS_MSM8952_D120_WA_S4 3
#define TSENS_MSM8952_D120_WA_S5 1
#define TSENS_MSM8952_D120_WA_S6 1
#define TSENS_MSM8952_D120_WA_S7 4
#define TSENS_MSM8952_D120_WA_S8 4
#define TSENS_MSM8952_D120_WA_S10 2
enum tsens_calib_fuse_map_type {
TSENS_CALIB_FUSE_MAP_8974 = 0,
TSENS_CALIB_FUSE_MAP_8X26,
@ -1738,6 +1762,97 @@ static int tsens_calib_msm8952_sensors(void)
if ((tsens_calibration_mode == TSENS_ONE_POINT_CALIB_OPTION_2) ||
(tsens_calibration_mode == TSENS_TWO_POINT_CALIB)) {
calib_tsens_point1_data[0] =
(((tsens_base0_data) + tsens0_point1) << 2);
calib_tsens_point1_data[0] = calib_tsens_point1_data[0] +
TSENS_MSM8952_D30_WA_S0;
calib_tsens_point1_data[1] =
(((tsens_base0_data) + tsens1_point1) << 2);
calib_tsens_point1_data[1] = calib_tsens_point1_data[1] -
TSENS_MSM8952_D30_WA_S1;
calib_tsens_point1_data[2] =
(((tsens_base0_data) + tsens2_point1) << 2);
calib_tsens_point1_data[2] = calib_tsens_point1_data[2] +
TSENS_MSM8952_D30_WA_S2;
calib_tsens_point1_data[3] =
(((tsens_base0_data) + tsens3_point1) << 2);
calib_tsens_point1_data[3] = calib_tsens_point1_data[3] +
TSENS_MSM8952_D30_WA_S3;
calib_tsens_point1_data[4] =
(((tsens_base0_data) + tsens4_point1) << 2);
calib_tsens_point1_data[4] = calib_tsens_point1_data[4] +
TSENS_MSM8952_D30_WA_S4;
calib_tsens_point1_data[5] =
(((tsens_base0_data) + tsens5_point1) << 2);
calib_tsens_point1_data[5] = calib_tsens_point1_data[5] -
TSENS_MSM8952_D30_WA_S5;
calib_tsens_point1_data[6] =
(((tsens_base0_data) + tsens6_point1) << 2);
calib_tsens_point1_data[7] =
(((tsens_base0_data) + tsens7_point1) << 2);
calib_tsens_point1_data[7] = calib_tsens_point1_data[7] +
TSENS_MSM8952_D30_WA_S7;
calib_tsens_point1_data[8] =
(((tsens_base0_data) + tsens8_point1) << 2);
calib_tsens_point1_data[8] = calib_tsens_point1_data[8] +
TSENS_MSM8952_D30_WA_S8;
calib_tsens_point1_data[9] =
(((tsens_base0_data) + tsens9_point1) << 2);
calib_tsens_point1_data[10] =
(((tsens_base0_data) + tsens10_point1) << 2);
calib_tsens_point1_data[10] = calib_tsens_point1_data[10] -
TSENS_MSM8952_D30_WA_S10;
}
if (tsens_calibration_mode == TSENS_TWO_POINT_CALIB) {
pr_debug("two point calibration calculation\n");
calib_tsens_point2_data[0] =
((tsens_base1_data + tsens0_point2) << 2);
calib_tsens_point1_data[0] = calib_tsens_point1_data[0] -
TSENS_MSM8952_D120_WA_S0;
calib_tsens_point2_data[1] =
((tsens_base1_data + tsens1_point2) << 2);
calib_tsens_point1_data[1] = calib_tsens_point1_data[1] -
TSENS_MSM8952_D120_WA_S1;
calib_tsens_point2_data[2] =
((tsens_base1_data + tsens2_point2) << 2);
calib_tsens_point1_data[2] = calib_tsens_point1_data[2] +
TSENS_MSM8952_D120_WA_S2;
calib_tsens_point2_data[3] =
((tsens_base1_data + tsens3_point2) << 2);
calib_tsens_point1_data[3] = calib_tsens_point1_data[3] +
TSENS_MSM8952_D120_WA_S3;
calib_tsens_point2_data[4] =
((tsens_base1_data + tsens4_point2) << 2);
calib_tsens_point1_data[4] = calib_tsens_point1_data[4] +
TSENS_MSM8952_D120_WA_S4;
calib_tsens_point2_data[5] =
((tsens_base1_data + tsens5_point2) << 2);
calib_tsens_point1_data[5] = calib_tsens_point1_data[5] -
TSENS_MSM8952_D120_WA_S5;
calib_tsens_point2_data[6] =
((tsens_base1_data + tsens6_point2) << 2);
calib_tsens_point1_data[6] = calib_tsens_point1_data[6] -
TSENS_MSM8952_D120_WA_S6;
calib_tsens_point2_data[7] =
((tsens_base1_data + tsens7_point2) << 2);
calib_tsens_point1_data[7] = calib_tsens_point1_data[7] +
TSENS_MSM8952_D120_WA_S7;
calib_tsens_point2_data[8] =
((tsens_base1_data + tsens8_point2) << 2);
calib_tsens_point1_data[8] = calib_tsens_point1_data[8] +
TSENS_MSM8952_D120_WA_S8;
calib_tsens_point2_data[9] =
((tsens_base1_data + tsens9_point2) << 2);
calib_tsens_point2_data[10] =
((tsens_base1_data + tsens10_point2) << 2);
calib_tsens_point1_data[10] = calib_tsens_point1_data[10] -
TSENS_MSM8952_D120_WA_S10;
}
if ((tsens_calibration_mode == TSENS_TWO_POINT_CALIB_N_WA) ||
(tsens_calibration_mode ==
TSENS_TWO_POINT_CALIB_N_OFFSET_WA)) {
calib_tsens_point1_data[0] =
(((tsens_base0_data) + tsens0_point1) << 2);
calib_tsens_point1_data[1] =
@ -1762,7 +1877,9 @@ static int tsens_calib_msm8952_sensors(void)
(((tsens_base0_data) + tsens10_point1) << 2);
}
if (tsens_calibration_mode == TSENS_TWO_POINT_CALIB) {
if ((tsens_calibration_mode == TSENS_TWO_POINT_CALIB_N_WA) ||
(tsens_calibration_mode ==
TSENS_TWO_POINT_CALIB_N_OFFSET_WA)) {
pr_debug("two point calibration calculation\n");
calib_tsens_point2_data[0] =
((tsens_base1_data + tsens0_point2) << 2);