From 508c829994446fcb5d93cbc910bb45378ab28050 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Fri, 20 Jul 2012 17:09:12 +0100 Subject: mfd: Add debug trace on entering and leaving arizone runtime suspend There doesn't appear to be any useful diagnostic information from the core. Signed-off-by: Mark Brown Signed-off-by: Samuel Ortiz --- drivers/mfd/arizona-core.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'drivers/mfd/arizona-core.c') diff --git a/drivers/mfd/arizona-core.c b/drivers/mfd/arizona-core.c index 6e70d3defc7..c7983e86254 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); -- cgit v1.2.3