nfc: st21nfca: set is_ese_present and is_uicc_present properly

When they're present, set is_ese_present and set is_uicc_present
to the value describe in their package description.

So far is_ese_present and is_uicc_present was set to true if their
property was present.

Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

1 files changed, 13 insertions, 4 deletions

diff --git a/drivers/nfc/st21nfca/i2c.c b/drivers/nfc/st21nfca/i2c.c
index 179c0b8edf8d..a3153a30be5d 100644
--- a/drivers/nfc/st21nfca/i2c.c
+++ b/drivers/nfc/st21nfca/i2c.c
@@ -510,6 +510,7 @@ static int st21nfca_hci_i2c_acpi_request_resources(struct i2c_client *client)
         const struct acpi_device_id *id;
         struct gpio_desc *gpiod_ena;
         struct device *dev;
+        u8 tmp;
 
         if (!client)
                 return -EINVAL;
@@ -533,10 +534,18 @@ static int st21nfca_hci_i2c_acpi_request_resources(struct i2c_client *client)
 
         phy->irq_polarity = irq_get_trigger_type(client->irq);
 
-        phy->se_status.is_ese_present =
-                                device_property_present(dev, "ese-present");
-        phy->se_status.is_uicc_present =
-                                device_property_present(dev, "uicc-present");
+        phy->se_status.is_ese_present = false;
+        phy->se_status.is_uicc_present = false;
+
+        if (device_property_present(dev, "ese-present")) {
+                device_property_read_u8(dev, "ese-present", &tmp);
+                phy->se_status.is_ese_present = tmp;
+        }
+
+        if (device_property_present(dev, "uicc-present")) {
+                device_property_read_u8(dev, "uicc-present", &tmp);
+                phy->se_status.is_uicc_present = tmp;
+        }
 
         return 0;
 }