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Groups > linux.kernel > #1229637
| From | Robert Jarzmik <robert.jarzmik@free.fr> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v3 01/12] pwm: introduce default period and polarity concepts |
| Date | 2015-09-21 20:30 +0200 |
| Message-ID | <qbe0H-6c1-29@gated-at.bofh.it> (permalink) |
| References | <qb5JL-2GR-3@gated-at.bofh.it> <qb5JO-2GR-41@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Boris Brezillon <boris.brezillon@free-electrons.com> writes: > When requested by a user, the PWM is assigned a default period and polarity > extracted from the DT, the platform data or statically set by the driver. > Those default values are currently stored in the period and polarity > fields of the pwm_device struct, but they will be stored somewhere else > once we have introduced the architecture allowing for hardware state > retrieval. > > The pwm_set_default_polarity and pwm_set_default_period should only be > used by PWM drivers or the PWM core infrastructure to specify the > default period and polarity values. > > PWM users might call the pwm_get_default_period to query the default > period value. There is currently no helper to query the default > polarity, but it might be added later on if there is a need for it. > > This patch also modifies all the places where the default helpers should > be used in place of the standard ones. > > Signed-off-by: Boris Brezillon <boris.brezillon@free-electrons.com> For pwm-pxa.c : Acked-by: Robert Jarzmik <robert.jarzmik@free.fr> Cheers. -- Robert -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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[PATCH v3 00/12] pwm: add support for atomic update Boris Brezillon <boris.brezillon@free-electrons.com> - 2015-09-21 11:40 +0200
[PATCH v3 01/12] pwm: introduce default period and polarity concepts Boris Brezillon <boris.brezillon@free-electrons.com> - 2015-09-21 11:40 +0200
Re: [PATCH v3 01/12] pwm: introduce default period and polarity concepts Robert Jarzmik <robert.jarzmik@free.fr> - 2015-09-21 20:30 +0200
Re: [PATCH v3 01/12] pwm: introduce default period and polarity concepts Jacek Anaszewski <j.anaszewski@samsung.com> - 2015-09-22 08:40 +0200
Re: [PATCH v3 01/12] pwm: introduce default period and polarity concepts Lee Jones <lee.jones@linaro.org> - 2015-09-22 23:50 +0200
Re: [PATCH v3 00/12] pwm: add support for atomic update Heiko Stübner <heiko@sntech.de> - 2015-09-22 00:40 +0200
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