From: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> To: Andy Gross <agross@kernel.org>, Bjorn Andersson <bjorn.andersson@linaro.org>, Rob Herring <robh+dt@kernel.org>, Zhang Rui <rui.zhang@intel.com>, Daniel Lezcano <daniel.lezcano@linaro.org>, Amit Kucheria <amitk@kernel.org>, Jonathan Cameron <jic23@kernel.org>, Hartmut Knaack <knaack.h@gmx.de>, Lars-Peter Clausen <lars@metafoo.de>, Peter Meerwald-Stadler <pmeerw@pmeerw.net> Cc: linux-arm-msm@vger.kernel.org, linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-iio@vger.kernel.org, Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>, Jishnu Prakash <jprakash@qti.qualcomm.com> Subject: [PATCH v9 10/15] iio: adc: qcom-vadc-common: simplify qcom_vadc_map_voltage_temp Date: Mon, 2 Nov 2020 20:49:45 +0300 Message-ID: <20201102174950.1148498-11-dmitry.baryshkov@linaro.org> (raw) In-Reply-To: <20201102174950.1148498-1-dmitry.baryshkov@linaro.org> All volt-temp tables here are sorted in descending order. There is no need to accout for (unused) ascending table sorting case, so simplify the conversion function. Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> --- drivers/iio/adc/qcom-vadc-common.c | 21 +-------------------- 1 file changed, 1 insertion(+), 20 deletions(-) diff --git a/drivers/iio/adc/qcom-vadc-common.c b/drivers/iio/adc/qcom-vadc-common.c index 0c705bb473fe..441843827f05 100644 --- a/drivers/iio/adc/qcom-vadc-common.c +++ b/drivers/iio/adc/qcom-vadc-common.c @@ -346,38 +346,19 @@ static struct qcom_adc5_scale_type scale_adc5_fn[] = { static int qcom_vadc_map_voltage_temp(const struct vadc_map_pt *pts, u32 tablesize, s32 input, int *output) { - bool descending = 1; u32 i = 0; if (!pts) return -EINVAL; - /* Check if table is descending or ascending */ - if (tablesize > 1) { - if (pts[0].x < pts[1].x) - descending = 0; - } - - while (i < tablesize) { - if ((descending) && (pts[i].x < input)) { - /* table entry is less than measured*/ - /* value and table is descending, stop */ - break; - } else if ((!descending) && - (pts[i].x > input)) { - /* table entry is greater than measured*/ - /*value and table is ascending, stop */ - break; - } + while (i < tablesize && pts[i].x > input) i++; - } if (i == 0) { *output = pts[0].y; } else if (i == tablesize) { *output = pts[tablesize - 1].y; } else { - /* result is between search_index and search_index-1 */ /* interpolate linearly */ *output = fixp_linear_interpolate(pts[i - 1].x, pts[i - 1].y, pts[i].x, pts[i].y, -- 2.28.0
next prev parent reply index Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-11-02 17:49 [PATCH v9 00/15] qcom: pm8150: add support for thermal monitoring Dmitry Baryshkov 2020-11-02 17:49 ` [PATCH v9 01/15] dt-bindings: thermal: qcom: add adc-thermal monitor bindings Dmitry Baryshkov 2020-11-04 18:32 ` Rob Herring 2020-11-08 15:52 ` Jonathan Cameron 2020-11-02 17:49 ` [PATCH v9 02/15] fixp-arith: add a linear interpolation function Dmitry Baryshkov 2020-11-02 17:49 ` [PATCH v9 03/15] iio: adc: qcom-vadc: move several adc5 functions to common file Dmitry Baryshkov 2020-11-02 17:49 ` [PATCH v9 04/15] iio: adc: qcom-vadc-common: use fixp_linear_interpolate Dmitry Baryshkov 2020-11-02 17:49 ` [PATCH v9 05/15] iio: adc: move qcom-vadc-common.h to include dir Dmitry Baryshkov 2020-11-02 17:49 ` [PATCH v9 06/15] iio: adc: qcom-spmi-adc5: use of_device_get_match_data Dmitry Baryshkov 2020-11-02 17:49 ` [PATCH v9 07/15] iio: provide of_iio_channel_get_by_name() and devm_ version it Dmitry Baryshkov 2020-11-02 17:49 ` [PATCH v9 08/15] iio: adc: move vadc_map_pt from header to the source file Dmitry Baryshkov 2020-11-02 17:49 ` [PATCH v9 09/15] iio: adc: qcom-vadc-common: rewrite vadc7 die temp calculation Dmitry Baryshkov 2020-11-02 17:49 ` Dmitry Baryshkov [this message] 2020-11-02 17:49 ` [PATCH v9 11/15] iio: adc: qcom-vadc-common: scale adcmap_100k_104ef_104fb Dmitry Baryshkov 2020-11-02 17:49 ` [PATCH v9 12/15] thermal: qcom: add support for adc-tm5 PMIC thermal monitor Dmitry Baryshkov 2020-11-19 15:33 ` Daniel Lezcano 2020-11-20 22:35 ` Dmitry Baryshkov 2020-11-02 17:49 ` [PATCH v9 13/15] arm64: dts: qcom: pm8150x: add definitions for adc-tm5 part Dmitry Baryshkov 2020-11-02 17:49 ` [PATCH v9 14/15] arm64: dts: sm8250-mtp: add thermal zones using pmic's adc-tm5 Dmitry Baryshkov 2020-11-02 17:49 ` [PATCH v9 15/15] arm64: dts: qrb5165-rb5: port thermal zone definitions Dmitry Baryshkov 2020-11-12 11:39 ` [PATCH v9 00/15] qcom: pm8150: add support for thermal monitoring Daniel Lezcano 2020-11-12 12:41 ` Dmitry Baryshkov 2020-11-12 13:13 ` Daniel Lezcano 2020-11-19 14:42 ` Dmitry Baryshkov
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