linux-kernel - [PATCH 0/2] pwm: some improvements to sysfs interface

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Message-Id: <1407251538-17566-1-git-send-email-aurelio@aureliocolosimo.it>
Date:	Tue,  5 Aug 2014 17:12:16 +0200
From:	Aurelio Colosimo <aurelio.colosimo@...il.com>
To:	Thierry Reding <thierry.reding@...il.com>,
	Randy Dunlap <rdunlap@...radead.org>
Cc:	linux-pwm@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-doc@...r.kernel.org,
	Aurelio Colosimo <aurelio@...eliocolosimo.it>
Subject: [PATCH 0/2] pwm: some improvements to sysfs interface

This set of patches adds two more features in pwm sysfs, which I
developed for the driver of my pwm device (a virtualization of
AVR pwm outputs, not submitted to mainline yet):
    
- an optional static name for each pwm device, so that driver develop
  can give a name to the output itself, in a similar way as gpio system
  does;
    
- the attribute 'max', and the attribute 'resolution', in
  nanoseconds, specific for each pwm device.
    
  Each new field is initialized with a default (meaningful) value;
  anyway, if desired, pwm drivers maintainers should fix their
  drivers in order to use the new fields.
    
Aurelio Colosimo (2):
  pwm: new field name added to pwm_device
  pwm: new fields, max and resolution, added to sysfs

 drivers/pwm/core.c  |  2 ++
 drivers/pwm/sysfs.c | 29 ++++++++++++++++++++++++++++-
 include/linux/pwm.h |  3 +++
 3 files changed, 33 insertions(+), 1 deletion(-)

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