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From: Alexey Starikovskiy <aystarik@gmail.com>
To: Andy Neitzke <neitzke@ias.edu>
Cc: linux-acpi@vger.kernel.org
Subject: Re: /proc/acpi/battery/BAT0/info stale when battery changed on Thinkpad X60t
Date: Wed, 14 May 2008 21:10:41 +0400	[thread overview]
Message-ID: <482B1D11.3000600@gmail.com> (raw)
In-Reply-To: <200805141105.02277.neitzke@ias.edu>

Please check if following patch helps:

diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index b1c723f..e5ca3a0 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -472,7 +472,7 @@ static void sysfs_remove_battery(struct acpi_battery 
*battery)
 
 static int acpi_battery_update(struct acpi_battery *battery)
 {
-    int result;
+    int result, old_present = acpi_battery_present(battery);
     result = acpi_battery_get_status(battery);
     if (result)
         return result;
@@ -483,7 +483,8 @@ static int acpi_battery_update(struct acpi_battery 
*battery)
         return 0;
     }
 #endif
-    if (!battery->update_time) {
+    if (!battery->update_time ||
+        old_present != acpi_battery_present(battery)) {
         result = acpi_battery_get_info(battery);
         if (result)
             return result;


  reply	other threads:[~2008-05-14 17:10 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-05-14 15:05 /proc/acpi/battery/BAT0/info stale when battery changed on Thinkpad X60t Andy Neitzke
2008-05-14 17:10 ` Alexey Starikovskiy [this message]
2008-05-14 23:18   ` Andy Neitzke
2008-05-15  9:26     ` [PATCH] ACPI: Battery: Update info for inserted battery Alexey Starikovskiy

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