ACPICA: Standardize all switch() blocks

After many years, different formatting for switch() has crept in.
This change makes every switch block identical. Chao Guan.
ACPICA bugzilla 997.

References: https://bugs.acpica.org/show_bug.cgi?id=997
Signed-off-by: Chao Guan <chao.guan@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
diff --git a/drivers/acpi/acpica/hwxfsleep.c b/drivers/acpi/acpica/hwxfsleep.c
index 35eebda..111849c2 100644
--- a/drivers/acpi/acpica/hwxfsleep.c
+++ b/drivers/acpi/acpica/hwxfsleep.c
@@ -314,20 +314,24 @@
 
 	switch (sleep_state) {
 	case ACPI_STATE_S0:
+
 		sst_value = ACPI_SST_WORKING;
 		break;
 
 	case ACPI_STATE_S1:
 	case ACPI_STATE_S2:
 	case ACPI_STATE_S3:
+
 		sst_value = ACPI_SST_SLEEPING;
 		break;
 
 	case ACPI_STATE_S4:
+
 		sst_value = ACPI_SST_SLEEP_CONTEXT;
 		break;
 
 	default:
+
 		sst_value = ACPI_SST_INDICATOR_OFF;	/* Default is off */
 		break;
 	}