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Subject[PATCH 4/6] mfd/ab8500: print switch off cause
Date
From: Jonas Aaberg <jonas.aberg@stericsson.com>

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>
---
drivers/mfd/ab8500-core.c | 25 ++++++++++++++++++++++++-
1 file changed, 24 insertions(+), 1 deletion(-)
diff --git a/drivers/mfd/ab8500-core.c b/drivers/mfd/ab8500-core.c
index eee9560..9781e1e 100644
--- a/drivers/mfd/ab8500-core.c
+++ b/drivers/mfd/ab8500-core.c
@@ -1072,6 +1072,16 @@ static struct attribute_group ab9540_attr_group = {

int __devinit ab8500_init(struct ab8500 *ab8500, enum ab8500_version version)
{
+ 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(ab8500->dev);
int ret;
int i;
@@ -1139,7 +1149,20 @@ int __devinit ab8500_init(struct ab8500 *ab8500, enum ab8500_version version)
AB8500_SWITCH_OFF_STATUS, &value);
if (ret < 0)
return ret;
- dev_info(ab8500->dev, "switch off status: %#x", 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("\"%s\" ", switch_off_status[i]);
+ value = value >> 1;
+
+ }
+ printk("\n");
+ } else {
+ printk("None\n");
+ }
+

if (plat && plat->init)
plat->init(ab8500);
--
1.7.9.2


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