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[73.63.253.164]) by smtp.gmail.com with ESMTPSA id y124sm14956924pfy.28.2020.10.13.01.01.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 13 Oct 2020 01:01:33 -0700 (PDT) From: Alexandru Stan To: Thierry Reding , =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= , Lee Jones , Daniel Thompson , Jingoo Han , Bartlomiej Zolnierkiewicz , Heiko Stuebner , Rob Herring , Andy Gross , Bjorn Andersson Cc: Douglas Anderson , Enric Balletbo i Serra , Matthias Kaehlcke , Alexandru Stan , devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 3/3] arm64: dts: qcom: trogdor: Add brightness-levels Date: Tue, 13 Oct 2020 01:01:03 -0700 Message-Id: <20201013010056.v2.3.Ie4d84af5a85e8dcb8f575845518fa39f324a827d@changeid> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201013080103.410133-1-amstan@chromium.org> References: <20201013080103.410133-1-amstan@chromium.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Now that we have better interpolation for the backlight ("backlight: pwm_bl: Fix interpolation"), we can now add the curve to the trogdor boards, being careful to crop the low end. Signed-off-by: Alexandru Stan --- arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi b/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi index bf875589d364..ccdabc6c4994 100644 --- a/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi +++ b/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi @@ -179,6 +179,15 @@ pp3300_fp_tp: pp3300-fp-tp-regulator { backlight: backlight { compatible = "pwm-backlight"; + /* The panels don't seem to like anything below ~ 5% */ + brightness-levels = < + 196 256 324 400 484 576 676 784 900 1024 1156 1296 + 1444 1600 1764 1936 2116 2304 2500 2704 2916 3136 + 3364 3600 3844 4096 + >; + num-interpolated-steps = <64>; + default-brightness-level = <951>; + pwms = <&cros_ec_pwm 1>; enable-gpios = <&tlmm 12 GPIO_ACTIVE_HIGH>; power-supply = <&ppvar_sys>; -- 2.28.0