hp_accel: Ignore the error from lis3lv02d_poweron() at resume

The error in lis3lv02_poweron() is harmless in the resume path, so
we should ignore it. It is inline with the other usages of lis3lv02_poweron()
and matches the 3.0 code for this routine. This patch is in suse git and
might have missed making it into the mainline.
opensuse - commit id: 66ccdac87c322cf7af12bddba8c805af640b1cff

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Shuah Khan <shuah.khan@hp.com>
CC: stable@vger.kernel.org 3.8, 3.4, 3.5, 3.2
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>

drivers/platform/x86/hp_accel.c

@@ -362,7 +362,8 @@ static int lis3lv02d_suspend(struct device *dev)
 
 static int lis3lv02d_resume(struct device *dev)
 {
-	return lis3lv02d_poweron(&lis3_dev);
+	lis3lv02d_poweron(&lis3_dev);
+	return 0;
 }
 
 static SIMPLE_DEV_PM_OPS(hp_accel_pm, lis3lv02d_suspend, lis3lv02d_resume);