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

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

View File

@ -529,8 +529,10 @@ int arizona_dev_init(struct arizona *arizona)
goto err_enable; goto err_enable;
} }
if (arizona->pdata.reset) if (arizona->pdata.reset) {
gpio_set_value_cansleep(arizona->pdata.reset, 1); gpio_set_value_cansleep(arizona->pdata.reset, 1);
msleep(1);
}
regcache_cache_only(arizona->regmap, false); regcache_cache_only(arizona->regmap, false);
@ -589,6 +591,8 @@ int arizona_dev_init(struct arizona *arizona)
goto err_reset; goto err_reset;
} }
msleep(1);
ret = regcache_sync(arizona->regmap); ret = regcache_sync(arizona->regmap);
if (ret != 0) { if (ret != 0) {
dev_err(dev, "Failed to sync device: %d\n", ret); dev_err(dev, "Failed to sync device: %d\n", ret);