diff options
author | Nadav Haklai <nadavh@marvell.com> | 2015-04-15 19:08:08 +0200 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-06-06 08:21:06 -0700 |
commit | a80e880dc4cb44350bfdd27d5dc3b4bce9d8e784 (patch) | |
tree | c3187a583bbac3d3e9a2649d858e76e9e951762f /drivers/thermal | |
parent | 5368f933ea6ea8ba4edca8a557f67ca6deb0d67c (diff) |
thermal: armada: Update Armada 380 thermal sensor coefficients
commit efa86858e1d8970411a140fa1e0c4dd18a8f2a89 upstream.
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>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/thermal')
-rw-r--r-- | drivers/thermal/armada_thermal.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/thermal/armada_thermal.c b/drivers/thermal/armada_thermal.c index c2556cf5186b..01255fd65135 100644 --- a/drivers/thermal/armada_thermal.c +++ b/drivers/thermal/armada_thermal.c @@ -224,9 +224,9 @@ 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, }; |