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authorNadav Haklai <nadavh@marvell.com>2015-04-15 19:08:08 +0200
committerSasha Levin <sasha.levin@oracle.com>2015-06-10 13:42:37 -0400
commit954e522029b02a94a94a22d0696409121e694473 (patch)
tree54af0262e927ef4b8ed539ccb0f738179b8962be
parentd9b300555107c2ba6294ce0e7027a3660b798025 (diff)
downloadlinux-linaro-stable-954e522029b02a94a94a22d0696409121e694473.tar.gz
thermal: armada: Update Armada 380 thermal sensor coefficients
[ Upstream commit efa86858e1d8970411a140fa1e0c4dd18a8f2a89 ] Improve the Armada 380 thermal sensor accuracy by using updated formula. The updated formula is: Temperature[C degrees] = 0.4761 * tsen_vsen_out - 279.1 Signed-off-by: Nadav Haklai <nadavh@marvell.com> Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com> Cc: <stable@vger.kernel.org> #v3.16 Signed-off-by: Eduardo Valentin <edubezval@gmail.com> Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
-rw-r--r--drivers/thermal/armada_thermal.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/thermal/armada_thermal.c b/drivers/thermal/armada_thermal.c
index 9d1420acb391..e6f1acc71996 100644
--- a/drivers/thermal/armada_thermal.c
+++ b/drivers/thermal/armada_thermal.c
@@ -240,9 +240,9 @@ static const struct armada_thermal_data armada380_data = {
.is_valid_shift = 10,
.temp_shift = 0,
.temp_mask = 0x3ff,
- .coef_b = 1169498786UL,
- .coef_m = 2000000UL,
- .coef_div = 4289,
+ .coef_b = 2931108200UL,
+ .coef_m = 5000000UL,
+ .coef_div = 10502,
.inverted = true,
};