From: Boris Brezillon <boris.brezillon@free-electrons.com>
To: Thierry Reding <thierry.reding@gmail.com>,
linux-pwm@vger.kernel.org, Mark Brown <broonie@kernel.org>,
Liam Girdwood <lgirdwood@gmail.com>,
Jingoo Han <jingoohan1@gmail.com>,
Lee Jones <lee.jones@linaro.org>,
linux-fbdev@vger.kernel.org, Bryan Wu <cooloney@gmail.com>,
Richard Purdie <rpurdie@rpsys.net>,
Jacek Anaszewski <j.anaszewski@samsung.com>,
linux-leds@vger.kernel.org,
Maxime Ripard <maxime.ripard@free-electrons.com>,
linux-sunxi@googlegroups.com, Heiko Stuebner <heiko@sntech.de>,
linux-rockchip@lists.infradead.org,
Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>,
Tomi Valkeinen <tomi.valkeinen@ti.com>,
Daniel Mack <daniel@zonque.org>,
Haojian Zhuang <haojian.zhuang@gmail.com>,
Robert Jarzmik <robert.jarzmik@free.fr>
Cc: linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org,
"Doug Anderson" <dianders@google.com>,
"Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>,
"Boris Brezillon" <boris.brezillon@free-electrons.com>
Subject: [PATCH v3 08/12] pwm: add information about polarity, duty cycle and period to debugfs
Date: Mon, 21 Sep 2015 11:33:25 +0200 [thread overview]
Message-ID: <1442828009-6241-9-git-send-email-boris.brezillon@free-electrons.com> (raw)
In-Reply-To: <1442828009-6241-1-git-send-email-boris.brezillon@free-electrons.com>
From: Heiko Stübner <heiko@sntech.de>
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 <heiko@sntech.de>
Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com>
---
drivers/pwm/core.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/pwm/core.c b/drivers/pwm/core.c
index ff3c662..7eba2f3 100644
--- a/drivers/pwm/core.c
+++ b/drivers/pwm/core.c
@@ -1018,6 +1018,11 @@ 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
next prev parent reply other threads:[~2015-09-21 9:34 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-21 9:33 [PATCH v3 00/12] pwm: add support for atomic update Boris Brezillon
2015-09-21 9:33 ` [PATCH v3 01/12] pwm: introduce default period and polarity concepts Boris Brezillon
2015-09-21 18:20 ` Robert Jarzmik
2015-09-22 6:36 ` Jacek Anaszewski
2015-09-22 21:49 ` Lee Jones
2015-11-07 2:35 ` Alexandre Belloni
2015-09-21 9:33 ` [PATCH v3 02/12] pwm: define a new pwm_state struct Boris Brezillon
2015-09-21 9:33 ` [PATCH v3 03/12] pwm: move the enabled/disabled info to " Boris Brezillon
2015-09-21 9:33 ` [PATCH v3 04/12] backlight: pwm_bl: remove useless call to pwm_set_period Boris Brezillon
2015-09-22 22:12 ` Lee Jones
2015-09-21 9:33 ` [PATCH v3 05/12] pwm: declare a default PWM state Boris Brezillon
2015-09-21 9:33 ` [PATCH v3 06/12] pwm: add the PWM initial state retrieval infra Boris Brezillon
2015-09-21 9:33 ` [PATCH v3 07/12] pwm: add the core infrastructure to allow atomic update Boris Brezillon
2015-09-21 9:33 ` Boris Brezillon [this message]
2015-09-21 9:33 ` [PATCH v3 09/12] pwm: rockchip: add initial state retrieval Boris Brezillon
2015-09-21 9:33 ` [PATCH v3 10/12] pwm: rockchip: add support for atomic update Boris Brezillon
2015-09-21 9:33 ` [PATCH v3 11/12] regulator: pwm: implement ->enable(), ->disable() and ->is_enabled methods Boris Brezillon
2015-09-21 21:13 ` Mark Brown
2015-09-21 9:33 ` [PATCH v3 12/12] regulator: pwm: properly initialize the ->state field Boris Brezillon
2015-09-21 21:10 ` Mark Brown
2015-09-21 22:30 ` [PATCH v3 00/12] pwm: add support for atomic update Heiko Stübner
2015-10-09 21:02 ` Boris Brezillon
2015-10-10 15:11 ` [PATCH v3 pre-03/12] pwm: rcar: make use of pwm_is_enabled() Boris Brezillon
2015-10-19 10:12 ` [PATCH v3 00/12] pwm: add support for atomic update Heiko Stübner
2015-11-10 17:34 ` Thierry Reding
2015-11-10 18:26 ` Boris Brezillon
2016-01-25 16:28 ` Doug Anderson
2016-01-25 17:08 ` Thierry Reding
2016-01-25 17:55 ` Boris Brezillon
2016-01-25 18:51 ` Doug Anderson
2016-02-03 14:53 ` Thierry Reding
2016-02-03 19:04 ` Doug Anderson
2016-02-04 11:02 ` Mark Brown
2016-02-04 14:01 ` Boris Brezillon
2016-02-23 14:57 ` Thierry Reding
2016-02-22 16:27 ` Doug Anderson
2016-02-22 17:59 ` Thierry Reding
2016-02-22 19:15 ` Doug Anderson
2016-02-22 21:24 ` Mark Brown
2016-02-23 3:03 ` Doug Anderson
2016-02-23 14:38 ` Thierry Reding
2016-02-23 17:35 ` Doug Anderson
2016-02-23 18:14 ` Thierry Reding
2016-02-23 18:42 ` Doug Anderson
2016-02-25 23:14 ` Doug Anderson
2016-03-07 16:34 ` Doug Anderson
2016-03-10 17:54 ` Thierry Reding
2016-03-11 9:51 ` Boris Brezillon
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