From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932480AbbGTPcW (ORCPT ); Mon, 20 Jul 2015 11:32:22 -0400 Received: from down.free-electrons.com ([37.187.137.238]:56249 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S932347AbbGTPcS (ORCPT ); Mon, 20 Jul 2015 11:32:18 -0400 From: Boris Brezillon To: Thierry Reding , linux-pwm@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Bryan Wu , Richard Purdie , Jacek Anaszewski , linux-leds@vger.kernel.org, Heiko Stuebner , linux-rockchip@lists.infradead.org, Jingoo Han , Lee Jones , linux-fbdev@vger.kernel.org, Mark Brown , Liam Girdwood , Jean-Christophe Plagniol-Villard , Tomi Valkeinen , Doug Anderson , =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= , Maxime Ripard Subject: [PATCH v2 08/10] pwm: add information about polarity, duty cycle and period to debugfs Date: Mon, 20 Jul 2015 17:32:05 +0200 Message-Id: <1437406327-6207-9-git-send-email-boris.brezillon@free-electrons.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1437406327-6207-1-git-send-email-boris.brezillon@free-electrons.com> References: <1437406327-6207-1-git-send-email-boris.brezillon@free-electrons.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Heiko Stübner The pwm-states make it possible to also output the polarity, duty cycle and period information in the debugfs pwm summary-outout. This makes it easier to gather overview information about pwms without needing to walk through the sysfs attributes of every pwm. Signed-off-by: Heiko Stuebner --- drivers/pwm/core.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/pwm/core.c b/drivers/pwm/core.c index 4fe4703..9fc8338 100644 --- a/drivers/pwm/core.c +++ b/drivers/pwm/core.c @@ -986,6 +986,11 @@ static void pwm_dbg_show(struct pwm_chip *chip, struct seq_file *s) if (pwm_is_enabled(pwm)) seq_puts(s, " enabled"); + seq_printf(s, " period:%uns", pwm_get_period(pwm)); + seq_printf(s, " duty:%uns", pwm_get_duty_cycle(pwm)); + seq_printf(s, " polarity:%s", pwm_get_polarity(pwm) ? "inverse" + : "normal"); + seq_puts(s, "\n"); } } -- 1.9.1