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mfd: arizona: Wait for internal clocks to startup after reset

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Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Charles Keepax 2013-04-03 12:53:37 +01:00 committed by Samuel Ortiz
parent 87d3af4ac0
commit c25feaa53c
1 changed files with 5 additions and 1 deletions
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6
drivers/mfd/arizona-core.c
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@ -529,8 +529,10 @@ int arizona_dev_init(struct arizona *arizona)
goto err_enable;
}
if (arizona->pdata.reset)
if (arizona->pdata.reset) {
gpio_set_value_cansleep(arizona->pdata.reset, 1);
msleep(1);
}
regcache_cache_only(arizona->regmap, false);
@ -589,6 +591,8 @@ int arizona_dev_init(struct arizona *arizona)
goto err_reset;
}
msleep(1);
ret = regcache_sync(arizona->regmap);
if (ret != 0) {
dev_err(dev, "Failed to sync device: %d\n", ret);