From: Alexandru Stan <amstan@chromium.org>
To: "Thierry Reding" <thierry.reding@gmail.com>,
"Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>,
"Lee Jones" <lee.jones@linaro.org>,
"Daniel Thompson" <daniel.thompson@linaro.org>,
"Jingoo Han" <jingoohan1@gmail.com>,
"Bartlomiej Zolnierkiewicz" <b.zolnierkie@samsung.com>,
"Heiko Stuebner" <heiko@sntech.de>,
"Rob Herring" <robh+dt@kernel.org>,
"Andy Gross" <agross@kernel.org>,
"Bjorn Andersson" <bjorn.andersson@linaro.org>
Cc: Douglas Anderson <dianders@chromium.org>,
Enric Balletbo i Serra <enric.balletbo@collabora.com>,
Matthias Kaehlcke <mka@chromium.org>,
Alexandru Stan <amstan@chromium.org>,
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 [thread overview]
Message-ID: <20201013010056.v2.3.Ie4d84af5a85e8dcb8f575845518fa39f324a827d@changeid> (raw)
In-Reply-To: <20201013080103.410133-1-amstan@chromium.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 <amstan@chromium.org>
---
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
next prev parent reply other threads:[~2020-10-13 8:01 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-13 8:01 [PATCH v2 0/3] PWM backlight interpolation adjustments Alexandru Stan
2020-10-13 8:01 ` [PATCH v2 1/3] backlight: pwm_bl: Fix interpolation Alexandru Stan
2020-10-14 11:26 ` Daniel Thompson
2020-10-15 6:54 ` Geert Uytterhoeven
2020-10-22 3:51 ` Alexandru Stan
2020-10-13 8:01 ` [PATCH v2 2/3] ARM: dts: rockchip: veyron: Remove 0 point from brightness-levels Alexandru Stan
2020-10-14 14:19 ` Daniel Thompson
2020-10-15 21:29 ` Alexandru M Stan
2020-10-13 8:01 ` Alexandru Stan [this message]
2020-10-13 16:28 ` [PATCH v2 3/3] arm64: dts: qcom: trogdor: Add brightness-levels Doug Anderson
2020-10-14 11:33 ` Daniel Thompson
2020-10-14 13:51 ` Doug Anderson
2020-10-15 9:15 ` Daniel Thompson
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