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Tue, 16 Jun 2020 06:53:48 -0700 (PDT) From: Thierry Reding To: Thierry Reding Subject: [PATCH 26/73] ARM: tegra: medcom-wide: Remove extra panel power supply Date: Tue, 16 Jun 2020 15:51:51 +0200 Message-Id: <20200616135238.3001888-27-thierry.reding@gmail.com> X-Mailer: git-send-email 2.24.1 In-Reply-To: <20200616135238.3001888-1-thierry.reding@gmail.com> References: <20200616135238.3001888-1-thierry.reding@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200616_065354_669311_6C96B922 X-CRM114-Status: GOOD ( 12.89 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-tegra@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Jon Hunter Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Thierry Reding Simple panels can only have a single power supply. The second listed supply is not needed because it is also the input supply of the first supply and therefore will always be on at the same time. In retrospect the panel probably doesn't qualify as simple since it apparently does need both of these supplies, even if in the case of the Medcom Wide it isn't necessary to explicitly hook them up. Signed-off-by: Thierry Reding --- arch/arm/boot/dts/tegra20-medcom-wide.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/tegra20-medcom-wide.dts b/arch/arm/boot/dts/tegra20-medcom-wide.dts index 049181421a86..a348ca30e522 100644 --- a/arch/arm/boot/dts/tegra20-medcom-wide.dts +++ b/arch/arm/boot/dts/tegra20-medcom-wide.dts @@ -59,7 +59,7 @@ backlight: backlight { panel: panel { compatible = "innolux,n156bge-l21"; - power-supply = <&vdd_1v8_reg>, <&vdd_3v3_reg>; + power-supply = <&vdd_1v8_reg>; // <&vdd_3v3_reg>; enable-gpios = <&gpio TEGRA_GPIO(B, 2) GPIO_ACTIVE_HIGH>; backlight = <&backlight>; -- 2.24.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel