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From: "thermal-bot for Dmitry Baryshkov" <tip-bot2@linutronix.de>
To: linux-pm@vger.kernel.org
Cc: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>,
	Jonathan Cameron <Jonathan.Cameron@huawei.com>,
	rui.zhang@intel.com, daniel.lezcano@linaro.org, amitk@kernel.org
Subject: [thermal: thermal/next] iio: adc: qcom-vadc-common: use fixp_linear_interpolate
Date: Thu, 18 Feb 2021 20:39:45 -0000	[thread overview]
Message-ID: <161368078501.20312.9950089385562714464.tip-bot2@tip-bot2> (raw)
In-Reply-To: <20201204025509.1075506-5-dmitry.baryshkov@linaro.org>

The following commit has been merged into the thermal/next branch of thermal:

Commit-ID:     e2621acd6d9af5b3d5584ddf0fd7994472d6199e
Gitweb:        https://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux.git//e2621acd6d9af5b3d5584ddf0fd7994472d6199e
Author:        Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
AuthorDate:    Fri, 04 Dec 2020 05:54:58 +03:00
Committer:     Jonathan Cameron <Jonathan.Cameron@huawei.com>
CommitterDate: Sat, 16 Jan 2021 18:19:00 

iio: adc: qcom-vadc-common: use fixp_linear_interpolate

Use new function fixp_linear_interpolate() instead of hand-coding the
linear interpolation.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20201204025509.1075506-5-dmitry.baryshkov@linaro.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
 drivers/iio/adc/qcom-vadc-common.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/iio/adc/qcom-vadc-common.c b/drivers/iio/adc/qcom-vadc-common.c
index d11f334..40d77b3 100644
--- a/drivers/iio/adc/qcom-vadc-common.c
+++ b/drivers/iio/adc/qcom-vadc-common.c
@@ -2,6 +2,7 @@
 #include <linux/bug.h>
 #include <linux/kernel.h>
 #include <linux/bitops.h>
+#include <linux/fixp-arith.h>
 #include <linux/math64.h>
 #include <linux/log2.h>
 #include <linux/err.h>
@@ -368,10 +369,9 @@ static int qcom_vadc_map_voltage_temp(const struct vadc_map_pt *pts,
 	} else {
 		/* result is between search_index and search_index-1 */
 		/* interpolate linearly */
-		*output = (((s32)((pts[i].y - pts[i - 1].y) *
-			(input - pts[i - 1].x)) /
-			(pts[i].x - pts[i - 1].x)) +
-			pts[i - 1].y);
+		*output = fixp_linear_interpolate(pts[i - 1].x, pts[i - 1].y,
+						  pts[i].x, pts[i].y,
+						  input);
 	}
 
 	return 0;

  reply	other threads:[~2021-02-18 20:43 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-04  2:54 [PATCH v10 00/15] qcom: pm8150: add support for thermal monitoring Dmitry Baryshkov
2020-12-04  2:54 ` [PATCH v10 01/15] dt-bindings: thermal: qcom: add adc-thermal monitor bindings Dmitry Baryshkov
2020-12-04  2:54 ` [PATCH v10 02/15] fixp-arith: add a linear interpolation function Dmitry Baryshkov
2021-02-18 20:39   ` [thermal: thermal/next] " thermal-bot for Craig Tatlor
2020-12-04  2:54 ` [PATCH v10 03/15] iio: adc: qcom-vadc: move several adc5 functions to common file Dmitry Baryshkov
2021-02-18 20:39   ` [thermal: thermal/next] " thermal-bot for Dmitry Baryshkov
2020-12-04  2:54 ` [PATCH v10 04/15] iio: adc: qcom-vadc-common: use fixp_linear_interpolate Dmitry Baryshkov
2021-02-18 20:39   ` thermal-bot for Dmitry Baryshkov [this message]
2021-02-18 22:03     ` [thermal: thermal/next] " kernel test robot
2020-12-04  2:54 ` [PATCH v10 05/15] iio: adc: move qcom-vadc-common.h to include dir Dmitry Baryshkov
2021-02-18 20:39   ` [thermal: thermal/next] " thermal-bot for Dmitry Baryshkov
2020-12-04  2:55 ` [PATCH v10 06/15] iio: adc: qcom-spmi-adc5: use of_device_get_match_data Dmitry Baryshkov
2021-02-18 20:39   ` [thermal: thermal/next] " thermal-bot for Dmitry Baryshkov
2020-12-04  2:55 ` [PATCH v10 07/15] iio: provide of_iio_channel_get_by_name() and devm_ version it Dmitry Baryshkov
2021-02-18 20:39   ` [thermal: thermal/next] " thermal-bot for Dmitry Baryshkov
2020-12-04  2:55 ` [PATCH v10 08/15] iio: adc: move vadc_map_pt from header to the source file Dmitry Baryshkov
2021-02-18 20:39   ` [thermal: thermal/next] " thermal-bot for Dmitry Baryshkov
2020-12-04  2:55 ` [PATCH v10 09/15] iio: adc: qcom-vadc-common: rewrite vadc7 die temp calculation Dmitry Baryshkov
2021-02-18 20:39   ` [thermal: thermal/next] " thermal-bot for Dmitry Baryshkov
2020-12-04  2:55 ` [PATCH v10 10/15] iio: adc: qcom-vadc-common: simplify qcom_vadc_map_voltage_temp Dmitry Baryshkov
2021-02-18 20:39   ` [thermal: thermal/next] " thermal-bot for Dmitry Baryshkov
2020-12-04  2:55 ` [PATCH v10 11/15] iio: adc: qcom-vadc-common: scale adcmap_100k_104ef_104fb Dmitry Baryshkov
2021-02-18 20:39   ` [thermal: thermal/next] " thermal-bot for Dmitry Baryshkov
2020-12-04  2:55 ` [PATCH v10 12/15] thermal: qcom: add support for adc-tm5 PMIC thermal monitor Dmitry Baryshkov
2020-12-04  2:55 ` [PATCH v10 13/15] arm64: dts: qcom: pm8150x: add definitions for adc-tm5 part Dmitry Baryshkov
2020-12-04  2:55 ` [PATCH v10 14/15] arm64: dts: sm8250-mtp: add thermal zones using pmic's adc-tm5 Dmitry Baryshkov
2020-12-04  2:55 ` [PATCH v10 15/15] arm64: dts: qrb5165-rb5: port thermal zone definitions Dmitry Baryshkov
2020-12-05 17:08 ` [PATCH v10 00/15] qcom: pm8150: add support for thermal monitoring Jonathan Cameron
2020-12-05 21:05   ` Dmitry Baryshkov
2020-12-08 10:39     ` Jonathan Cameron
2020-12-08 17:14       ` Dmitry Baryshkov
2021-01-13 17:19   ` Dmitry Baryshkov
2021-01-05  2:03 ` Dmitry Baryshkov

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