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Subject[PATCH] mfd: arizona: Add debug trace on entering and leaving runtime suspend
Date
There doesn't appear to be any useful diagnostic information from the
core.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---
drivers/mfd/arizona-core.c | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/drivers/mfd/arizona-core.c b/drivers/mfd/arizona-core.c
index 6e70d3d..c7983e8 100644
--- a/drivers/mfd/arizona-core.c
+++ b/drivers/mfd/arizona-core.c
@@ -223,6 +223,8 @@ static int arizona_runtime_resume(struct device *dev)
struct arizona *arizona = dev_get_drvdata(dev);
int ret;

+ dev_dbg(arizona->dev, "Leaving AoD mode\n");
+
ret = regulator_enable(arizona->dcvdd);
if (ret != 0) {
dev_err(arizona->dev, "Failed to enable DCVDD: %d\n", ret);
@@ -246,6 +248,8 @@ static int arizona_runtime_suspend(struct device *dev)
{
struct arizona *arizona = dev_get_drvdata(dev);

+ dev_dbg(arizona->dev, "Entering AoD mode\n");
+
regulator_disable(arizona->dcvdd);
regcache_cache_only(arizona->regmap, true);
regcache_mark_dirty(arizona->regmap);
--
1.7.10.4


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