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Groups > linux.kernel > #1379224
| From | Boris Brezillon <boris.brezillon@free-electrons.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v5 24/24] pwm: add information about polarity, duty cycle and period to debugfs |
| Date | 2016-04-14 21:20 +0200 |
| Message-ID | <rnUY1-71M-17@gated-at.bofh.it> (permalink) |
| References | <rnUY1-71M-5@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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 aefffcf..9f4e97e 100644 --- a/drivers/pwm/core.c +++ b/drivers/pwm/core.c @@ -959,6 +959,11 @@ static void pwm_dbg_show(struct pwm_chip *chip, struct seq_file *s) if (state.enabled) seq_puts(s, " enabled"); + seq_printf(s, " period:%uns", state.period); + seq_printf(s, " duty:%uns", state.duty_cycle); + seq_printf(s, " polarity:%s", + state.polarity ? "inverse" : "normal"); + seq_puts(s, "\n"); } } -- 2.5.0
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[PATCH v5 24/24] pwm: add information about polarity, duty cycle and period to debugfs Boris Brezillon <boris.brezillon@free-electrons.com> - 2016-04-14 21:20 +0200
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