mfd: Print ab8500 switch off cause
Instead of just printing the register value, also output some
description of the value.
Signed-off-by: Jonas Aaberg <jonas.aberg@stericsson.com>
Reviewed-by: Mattias Wallin <mattias.wallin@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
diff --git a/drivers/mfd/ab8500-core.c b/drivers/mfd/ab8500-core.c
index 3eb1587..e580c5d 100644
--- a/drivers/mfd/ab8500-core.c
+++ b/drivers/mfd/ab8500-core.c
@@ -1232,6 +1232,15 @@
static int __devinit ab8500_probe(struct platform_device *pdev)
{
+ static char *switch_off_status[] = {
+ "Swoff bit programming",
+ "Thermal protection activation",
+ "Vbat lower then BattOk falling threshold",
+ "Watchdog expired",
+ "Non presence of 32kHz clock",
+ "Battery level lower than power on reset threshold",
+ "Power on key 1 pressed longer than 10 seconds",
+ "DB8500 thermal shutdown"};
struct ab8500_platform_data *plat = dev_get_platdata(&pdev->dev);
const struct platform_device_id *platid = platform_get_device_id(pdev);
enum ab8500_version version = AB8500_VERSION_UNDEFINED;
@@ -1327,7 +1336,20 @@
AB8500_SWITCH_OFF_STATUS, &value);
if (ret < 0)
return ret;
- dev_info(ab8500->dev, "switch off status: %#x\n", value);
+ dev_info(ab8500->dev, "switch off cause(s) (%#x): ", value);
+
+ if (value) {
+ for (i = 0; i < ARRAY_SIZE(switch_off_status); i++) {
+ if (value & 1)
+ printk(KERN_CONT " \"%s\"",
+ switch_off_status[i]);
+ value = value >> 1;
+
+ }
+ printk(KERN_CONT "\n");
+ } else {
+ printk(KERN_CONT " None\n");
+ }
if (plat && plat->init)
plat->init(ab8500);