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From: Pavel Machek <pavel-+ZI9xUNit7I@public.gmane.org>
To: Jordan Crouse <jordan.crouse-5C7GfCeVMHo@public.gmane.org>
Cc: linux-pm-qjLDD68F18O7TbgM5vRIOg@public.gmane.org
Subject: Re: apm_console_blank()
Date: Tue, 29 Mar 2005 20:51:00 +0200	[thread overview]
Message-ID: <20050329185100.GB7929@elf.ucw.cz> (raw)
In-Reply-To: <20050328102035.5fcd9a61-aftB2sG12IhaqnLngUycEA@public.gmane.org>

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Hi!

> Everyone, put on your legacy helmets... :)
> 
> Attached is a diff against apm.c fixing what I think was a flaw in
> the logic of the function apm_console_blank().

I guess you need to send it to APM maintainer...

Please inline your patches, its easier to comment on them that way.

--- linux-2.6.11.orig/arch/i386/kernel/apm.c    2005-03-28 10:05:01.000000000 -0700
+++ linux-2.6.11/arch/i386/kernel/apm.c 2005-03-28 10:05:12.000000000 -0700
@@ -1058,25 +1058,26 @@
  *     all video devices. Typically the BIOS will do laptop backlight
and  *  monitor powerdown for us.
  */
-
-static int apm_console_blank(int blank)
-{
-       int     error;
-       u_short state;
+
+static int apm_console_blank(int blank) {
+
+       int error, i;
+       u_short state;

You are actually breaking formating here.

+       u_short dev[3] = { 0x100, 0x1FF, 0x101 };

        state = blank ? APM_STATE_STANDBY : APM_STATE_READY;
-       /* Blank the first display device */
-       error = set_power_state(0x100, state);
-       if ((error != APM_SUCCESS) && (error != APM_NO_ERROR)) {
-               /* try to blank them all instead */
-               error = set_power_state(0x1ff, state);
-               if ((error != APM_SUCCESS) && (error != APM_NO_ERROR))
-                       /* try to blank device one instead */
-                       error = set_power_state(0x101, state);
+
+       for(i = 0; i < 3; i++) {

Please put space between for and (.

@@ -1089,7 +1090,8 @@
                                return apm_console_blank(blank);
                }
        }
-       apm_error("set display", error);
+
+       apm_error("set display", error);
        return 0;
 }

...and don't do change formatting just because you can.

								Pavel

-- 
People were complaining that M$ turns users into beta-testers...
...jr ghea gurz vagb qrirybcref, naq gurl frrz gb yvxr vg gung jnl!

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  parent reply	other threads:[~2005-03-29 18:51 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-03-27 22:42 [RFC] Driver States Adam Belay
     [not found] ` <1111963367.3503.152.camel-bi+AKbBUZKY6gyzm1THtWbp2dZbC/Bob@public.gmane.org>
2005-03-28 16:29   ` Jordan Crouse
     [not found]     ` <20050328092925.2c2736de-aftB2sG12IhaqnLngUycEA@public.gmane.org>
2005-04-01  4:01       ` David Brownell
2005-03-28 17:20   ` apm_console_blank() Jordan Crouse
     [not found]     ` <20050328102035.5fcd9a61-aftB2sG12IhaqnLngUycEA@public.gmane.org>
2005-03-29 18:51       ` Pavel Machek [this message]
2005-03-30  5:57   ` [RFC] Driver States Patrick Mochel
     [not found]     ` <Pine.LNX.4.50.0503292155120.26543-100000-x8k/2hhmB0w5etPau2IXcQ@public.gmane.org>
2005-03-30 22:45       ` Adam Belay
2005-04-05  9:24         ` Pavel Machek
2005-04-06 19:51           ` Adam Belay
2005-04-08 10:31             ` Pavel Machek

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