This is a note to let you know that I've just added the patch titled
thermal/drivers/tsens: fix slope values for msm8939
to the 6.2-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
thermal-drivers-tsens-fix-slope-values-for-msm8939.patch
and it can be found in the queue-6.2 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 52130939da4d11582a3025df709d508acf99c7ad
Author: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
Date: Sun Jan 1 21:40:21 2023 +0200
thermal/drivers/tsens: fix slope values for msm8939
[ Upstream commit 5aec3b035e0cbf3f042c2a03d654e5ad6748feb7 ]
According to the vendor kernels (msm-3.10, 3.14 and 3.18), msm8939
uses non-standard slope values for calibrating the sensors. Fill them
accordingly.
Fixes: 332bc8ebab2c ("thermal: qcom: tsens-v0_1: Add support for MSM8939")
Cc: Bryan O'Donoghue <bryan.odonoghue@xxxxxxxxxx>
Cc: Shawn Guo <shawn.guo@xxxxxxxxxx>
Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>
Acked-by: Shawn Guo <shawn.guo@xxxxxxxxxx>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20230101194034.831222-8-dmitry.baryshkov@xxxxxxxxxx
Signed-off-by: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/thermal/qcom/tsens-v0_1.c b/drivers/thermal/qcom/tsens-v0_1.c
index 04d012e4f7288..af2659037f010 100644
--- a/drivers/thermal/qcom/tsens-v0_1.c
+++ b/drivers/thermal/qcom/tsens-v0_1.c
@@ -534,6 +534,21 @@ static int calibrate_9607(struct tsens_priv *priv)
return 0;
}
+static int __init init_8939(struct tsens_priv *priv) {
+ priv->sensor[0].slope = 2911;
+ priv->sensor[1].slope = 2789;
+ priv->sensor[2].slope = 2906;
+ priv->sensor[3].slope = 2763;
+ priv->sensor[4].slope = 2922;
+ priv->sensor[5].slope = 2867;
+ priv->sensor[6].slope = 2833;
+ priv->sensor[7].slope = 2838;
+ priv->sensor[8].slope = 2840;
+ priv->sensor[9].slope = 2852;
+
+ return init_common(priv);
+}
+
/* v0.1: 8916, 8939, 8974, 9607 */
static struct tsens_features tsens_v0_1_feat = {
@@ -599,7 +614,7 @@ struct tsens_plat_data data_8916 = {
};
static const struct tsens_ops ops_8939 = {
- .init = init_common,
+ .init = init_8939,
.calibrate = calibrate_8939,
.get_temp = get_temp_common,
};
