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path: root/drivers/mfd/arizona-core.c
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Diffstat (limited to 'drivers/mfd/arizona-core.c')
-rw-r--r--drivers/mfd/arizona-core.c41
1 files changed, 32 insertions, 9 deletions
diff --git a/drivers/mfd/arizona-core.c b/drivers/mfd/arizona-core.c
index 29be2628352c..e32d0d30e9cd 100644
--- a/drivers/mfd/arizona-core.c
+++ b/drivers/mfd/arizona-core.c
@@ -487,6 +487,23 @@ static int arizona_connect_dcvdd(struct arizona *arizona)
return ret;
}
+static int arizona_is_jack_det_active(struct arizona *arizona)
+{
+ unsigned int val;
+ int ret;
+
+ ret = regmap_read(arizona->regmap, ARIZONA_JACK_DETECT_ANALOGUE, &val);
+ if (ret) {
+ dev_err(arizona->dev,
+ "Failed to check jack det status: %d\n", ret);
+ return ret;
+ } else if (val & ARIZONA_JD1_ENA) {
+ return 1;
+ } else {
+ return 0;
+ }
+}
+
static int arizona_runtime_resume(struct device *dev)
{
struct arizona *arizona = dev_get_drvdata(dev);
@@ -610,20 +627,18 @@ err:
static int arizona_runtime_suspend(struct device *dev)
{
struct arizona *arizona = dev_get_drvdata(dev);
- unsigned int val;
+ unsigned int jd_active = 0;
int ret;
dev_dbg(arizona->dev, "Entering AoD mode\n");
- ret = regmap_read(arizona->regmap, ARIZONA_JACK_DETECT_ANALOGUE, &val);
- if (ret) {
- dev_err(dev, "Failed to check jack det status: %d\n", ret);
- return ret;
- }
-
switch (arizona->type) {
case WM5110:
case WM8280:
+ jd_active = arizona_is_jack_det_active(arizona);
+ if (jd_active < 0)
+ return jd_active;
+
if (arizona->external_dcvdd) {
ret = arizona_isolate_dcvdd(arizona);
if (ret != 0)
@@ -645,13 +660,17 @@ static int arizona_runtime_suspend(struct device *dev)
}
break;
case WM5102:
+ jd_active = arizona_is_jack_det_active(arizona);
+ if (jd_active < 0)
+ return jd_active;
+
if (arizona->external_dcvdd) {
ret = arizona_isolate_dcvdd(arizona);
if (ret != 0)
return ret;
}
- if (!(val & ARIZONA_JD1_ENA)) {
+ if (!jd_active) {
ret = regmap_write(arizona->regmap,
ARIZONA_WRITE_SEQUENCER_CTRL_3, 0x0);
if (ret) {
@@ -663,6 +682,10 @@ static int arizona_runtime_suspend(struct device *dev)
}
break;
default:
+ jd_active = arizona_is_jack_det_active(arizona);
+ if (jd_active < 0)
+ return jd_active;
+
if (arizona->external_dcvdd) {
ret = arizona_isolate_dcvdd(arizona);
if (ret != 0)
@@ -676,7 +699,7 @@ static int arizona_runtime_suspend(struct device *dev)
regulator_disable(arizona->dcvdd);
/* Allow us to completely power down if no jack detection */
- if (!(val & ARIZONA_JD1_ENA)) {
+ if (!jd_active) {
dev_dbg(arizona->dev, "Fully powering off\n");
arizona->has_fully_powered_off = true;
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