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| author | Nadav Haklai <nadavh@marvell.com> | 2015-04-15 19:08:08 +0200 |
|---|---|---|
| committer | Eduardo Valentin <edubezval@gmail.com> | 2015-05-09 01:00:31 -0700 |
| commit | efa86858e1d8970411a140fa1e0c4dd18a8f2a89 (patch) | |
| tree | 27b4181179b887bc10926fcf927da2c8f55748d8 /drivers/thermal | |
| parent | e9a90d046b9c9fe8f7c8efefe7b0e64c3c0daa8f (diff) | |
| download | blackbird-obmc-linux-efa86858e1d8970411a140fa1e0c4dd18a8f2a89.tar.gz blackbird-obmc-linux-efa86858e1d8970411a140fa1e0c4dd18a8f2a89.zip | |
thermal: armada: Update Armada 380 thermal sensor coefficients
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>
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, }; |
