From 6e33ebe6f39f6a782073628d71ef1bbb893f237f Mon Sep 17 00:00:00 2001 From: Dylan Van Assche Date: Sat, 26 Dec 2020 19:55:57 +0100 Subject: [PATCH] main/linux-postmarketos-allwinner: set leds-gpio max_brightness to 1 (MR 1838) LEDs controlled through the leds-gpio driver are not PWM capable. Setting the max_brightness property to 1 instead of 255. --- ...09-leds-gpio-set-max_brightness-to-1.patch | 36 +++++++++++++++++++ main/linux-postmarketos-allwinner/APKBUILD | 6 ++-- 2 files changed, 40 insertions(+), 2 deletions(-) create mode 100644 main/linux-postmarketos-allwinner/0009-leds-gpio-set-max_brightness-to-1.patch diff --git a/main/linux-postmarketos-allwinner/0009-leds-gpio-set-max_brightness-to-1.patch b/main/linux-postmarketos-allwinner/0009-leds-gpio-set-max_brightness-to-1.patch new file mode 100644 index 000000000..fb09b81c5 --- /dev/null +++ b/main/linux-postmarketos-allwinner/0009-leds-gpio-set-max_brightness-to-1.patch @@ -0,0 +1,36 @@ +From ecc1613977400f117a4f399d46404b399547ee18 Mon Sep 17 00:00:00 2001 +From: Dylan Van Assche +Date: Tue, 29 Dec 2020 14:59:23 +0100 +Subject: [PATCH] leds: gpio: Set max brightness to 1 + +GPIO LEDs only know 2 states: ON or OFF and do not have PWM capabilities. +However, the max brightness is reported as 255. + +This patch sets the max brightness value of a GPIO controlled LED to 1. + +Tested on my PinePhone 1.2. + +Signed-off-by: Dylan Van Assche +Related: https://gitlab.com/postmarketOS/pmaports/-/merge_requests/1832 +Related: https://lkml.org/lkml/2020/12/27/64 +--- + drivers/leds/leds-gpio.c | 3 ++- + 1 file changed, 2 insertions(+), 1 deletion(-) + +diff --git a/drivers/leds/leds-gpio.c b/drivers/leds/leds-gpio.c +index 93f5b1b60fde..0d66f19d71ba 100644 +--- a/drivers/leds/leds-gpio.c ++++ b/drivers/leds/leds-gpio.c +@@ -96,7 +96,8 @@ static int create_gpio_led(const struct gpio_led *template, + } else { + state = (template->default_state == LEDS_GPIO_DEFSTATE_ON); + } +- led_dat->cdev.brightness = state ? LED_FULL : LED_OFF; ++ led_dat->cdev.brightness = state ? LED_ON : LED_OFF; ++ led_dat->cdev.max_brightness = LED_ON; + if (!template->retain_state_suspended) + led_dat->cdev.flags |= LED_CORE_SUSPENDRESUME; + if (template->panic_indicator) +-- +2.26.2 + diff --git a/main/linux-postmarketos-allwinner/APKBUILD b/main/linux-postmarketos-allwinner/APKBUILD index d7e394c50..065962476 100644 --- a/main/linux-postmarketos-allwinner/APKBUILD +++ b/main/linux-postmarketos-allwinner/APKBUILD @@ -6,7 +6,7 @@ _flavor=postmarketos-allwinner _config="config-$_flavor.$CARCH" pkgname=linux-$_flavor pkgver=5.10.0_git20201214 -pkgrel=2 +pkgrel=3 _tag="orange-pi-5.10-20201214-0813" pkgdesc="Kernel fork with Pine64 patches (megi's tree, slightly patched)" arch="aarch64" @@ -35,6 +35,7 @@ source="$pkgname-$_tag.tar.gz::https://github.com/megous/linux/archive/$_tag.tar 0006-arm64-dts-allwinner-Add-bluetooth-node-to-the-PineTa.patch 0007-dts-pinephone-remove-bt-firmware-suffix.patch 0008-media-ov5640-Implement-autofocus.patch + 0009-leds-gpio-set-max_brightness-to-1.patch " subpackages="$pkgname-dev" builddir="$srcdir/linux-$_tag" @@ -84,4 +85,5 @@ d92db05628de20c57f69edd0558fc56eb5a1c90f6dd3046813dc2b8c7393030f55e4980ae4135f9a 26bd19eb7849ad59ac73a002edeb5d015630c0f802b4da1ec75a01581aeb406350097b5e37ef5c0981cc503cdbfc4d24d446c193a533f01e3e4b51426c9e192e 0005-dts-pinetab-make-audio-routing-consistent-with-pinep.patch 79f244794906b84f2033b04429f9bf187f171291c8f808a65f6d2c3a9b8a029eb0460f281148ff4a43c12be4fac3d78fcc4ddfa4c14e687a3f7fc310a5921048 0006-arm64-dts-allwinner-Add-bluetooth-node-to-the-PineTa.patch 11e3210958afcd9a04885f364d9ce707845173430581601cc8d08451529f80aab137f1c578ab3453e7249fe38001eb6aafe728ba5e34e39b65c7e47a3ecd9fda 0007-dts-pinephone-remove-bt-firmware-suffix.patch -510e1cf463485315f99dfc86511fb7271591159c39cf1bbeecbc1056f8861c35603d61946f3488bfbb7a779ce9324c69d230fa159386b7920f866b47ada444a4 0008-media-ov5640-Implement-autofocus.patch" +510e1cf463485315f99dfc86511fb7271591159c39cf1bbeecbc1056f8861c35603d61946f3488bfbb7a779ce9324c69d230fa159386b7920f866b47ada444a4 0008-media-ov5640-Implement-autofocus.patch +6dee374e8459279e2e61894ab9146574283dad61605e4547a1258dd09e02646e46712059431b4086aebb95d24ab44c8b5dc21aa9d004f0190f864045a20b336a 0009-leds-gpio-set-max_brightness-to-1.patch"