From owner-svn-src-all@freebsd.org Sun Jul 31 06:24:27 2016 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id C3528BA9142; Sun, 31 Jul 2016 06:24:27 +0000 (UTC) (envelope-from adrian@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 9361717C5; Sun, 31 Jul 2016 06:24:27 +0000 (UTC) (envelope-from adrian@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id u6V6OQdu014797; Sun, 31 Jul 2016 06:24:26 GMT (envelope-from adrian@FreeBSD.org) Received: (from adrian@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id u6V6OQB4014796; Sun, 31 Jul 2016 06:24:26 GMT (envelope-from adrian@FreeBSD.org) Message-Id: <201607310624.u6V6OQB4014796@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: adrian set sender to adrian@FreeBSD.org using -f From: Adrian Chadd Date: Sun, 31 Jul 2016 06:24:26 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r303574 - head/sys/dev/gpio X-SVN-Group: head MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 31 Jul 2016 06:24:27 -0000 Author: adrian Date: Sun Jul 31 06:24:26 2016 New Revision: 303574 URL: https://svnweb.freebsd.org/changeset/base/303574 Log: [gpioled] add support for inverting the LED polarity. No, this isn't a star trek science joke - sometimes LEDs are wired up to be active low, so this is needed. Submitted by: Dan Nelson Modified: head/sys/dev/gpio/gpioled.c Modified: head/sys/dev/gpio/gpioled.c ============================================================================== --- head/sys/dev/gpio/gpioled.c Sun Jul 31 06:03:27 2016 (r303573) +++ head/sys/dev/gpio/gpioled.c Sun Jul 31 06:24:26 2016 (r303574) @@ -66,6 +66,7 @@ struct gpioled_softc device_t sc_busdev; struct mtx sc_mtx; struct cdev *sc_leddev; + int sc_invert; }; static void gpioled_control(void *, int); @@ -82,6 +83,8 @@ gpioled_control(void *priv, int onoff) GPIOLED_LOCK(sc); if (GPIOBUS_PIN_SETFLAGS(sc->sc_busdev, sc->sc_dev, GPIOLED_PIN, GPIO_PIN_OUTPUT) == 0) { + if (sc->sc_invert) + onoff = !onoff; GPIOBUS_PIN_SET(sc->sc_busdev, sc->sc_dev, GPIOLED_PIN, onoff ? GPIO_PIN_HIGH : GPIO_PIN_LOW); } @@ -199,6 +202,8 @@ gpioled_attach(device_t dev) if (resource_string_value(device_get_name(dev), device_get_unit(dev), "name", &name)) name = NULL; + resource_int_value(device_get_name(dev), + device_get_unit(dev), "invert", &sc->sc_invert); #endif sc->sc_leddev = led_create_state(gpioled_control, sc, name ? name :