linux-kernel - Re: [PATCH -mm] PM: Add pm

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Message-Id: <20060829134648.451971a1.akpm@osdl.org>
Date:	Tue, 29 Aug 2006 13:46:48 -0700
From:	Andrew Morton <akpm@...l.org>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	LKML <linux-kernel@...r.kernel.org>, Pavel Machek <pavel@....cz>,
	Greg KH <greg@...ah.com>
Subject: Re: [PATCH -mm] PM: Add pm_trace switch

On Tue, 29 Aug 2006 13:09:57 +0200
"Rafael J. Wysocki" <rjw@...k.pl> wrote:

> +int pm_trace_enabled;
> +
> +static ssize_t pm_trace_show(struct subsystem * subsys, char * buf)
> +{
> +	return sprintf(buf, "%d\n", pm_trace_enabled);
> +}
> +
> +static ssize_t
> +pm_trace_store(struct subsystem * subsys, const char * buf, size_t n)
> +{
> +	int val;
> +
> +	if (sscanf(buf, "%d", &val) == 1) {
> +		pm_trace_enabled = !!val;
> +		return n;
> +	}
> +	return -EINVAL;
> +}
> +
> +power_attr(pm_trace);

<grumbles about documentation>
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