From mboxrd@z Thu Jan 1 00:00:00 1970 From: maxime.ripard@free-electrons.com (Maxime Ripard) Date: Tue, 22 Sep 2015 16:44:01 +0200 Subject: [PATCH 4/5] ARM: dts: sun8i: Add pwm-backlight device for A23/A33 Q8 format tablets In-Reply-To: <1442752251-20744-5-git-send-email-hdegoede@redhat.com> References: <1442752251-20744-1-git-send-email-hdegoede@redhat.com> <1442752251-20744-5-git-send-email-hdegoede@redhat.com> Message-ID: <20150922144401.GE4684@lukather> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Sun, Sep 20, 2015 at 08:30:50AM -0400, Hans de Goede wrote: > From: Chen-Yu Tsai > > The LCD backlight on the A23/A33 Q8 format tablets is enabled > with a GPIO controlled regulator, and brightness controlled with > the SoC's PWM controller. > > The backlight is powered from the AXP223 PMIC's DC1SW output, > which is not supported yet. A proper bootloader is required > to enable it. > > The brightness levels are arbitrary. The FEX files do not have > such information. As such, actual brightness levels may differ > from device to device. > > Signed-off-by: Chen-Yu Tsai > Signed-off-by: Hans de Goede Applied, thanks! Maxime -- Maxime Ripard, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 819 bytes Desc: Digital signature URL: