linux-kernel - [PATCH 4.0 48/72] ACPI / SBS: Enable battery manager when present

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Date:	Mon, 11 May 2015 10:54:54 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org,
	Chris Bainbridge <chris.bainbridge@...il.com>,
	"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>
Subject: [PATCH 4.0 48/72] ACPI / SBS: Enable battery manager when present

4.0-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Chris Bainbridge <chris.bainbridge@...il.com>

commit 61f8ff693923e4b19748b0e8287b99778f2661c7 upstream.

Commit 9faf6136ff46 (ACPI / SBS: Disable smart battery manager on
Apple) introduced a regression disabling the SBS battery manager.
The battery manager should be marked as present when
acpi_manager_get_info() returns 0.

Fixes: 9faf6136ff46 (ACPI / SBS: Disable smart battery manager on Apple)
Signed-off-by: Chris Bainbridge <chris.bainbridge@...il.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/acpi/sbs.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/acpi/sbs.c
+++ b/drivers/acpi/sbs.c
@@ -670,7 +670,7 @@ static int acpi_sbs_add(struct acpi_devi
 	if (!sbs_manager_broken) {
 		result = acpi_manager_get_info(sbs);
 		if (!result) {
-			sbs->manager_present = 0;
+			sbs->manager_present = 1;
 			for (id = 0; id < MAX_SBS_BAT; ++id)
 				if ((sbs->batteries_supported & (1 << id)))
 					acpi_battery_add(sbs, id);

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