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path: root/drivers/power/bq24735-charger.c
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Diffstat (limited to 'drivers/power/bq24735-charger.c')
-rw-r--r--drivers/power/bq24735-charger.c45
1 files changed, 24 insertions, 21 deletions
diff --git a/drivers/power/bq24735-charger.c b/drivers/power/bq24735-charger.c
index 079d1c6c2a8f..022a09ceab73 100644
--- a/drivers/power/bq24735-charger.c
+++ b/drivers/power/bq24735-charger.c
@@ -381,27 +381,6 @@ static int bq24735_charger_probe(struct i2c_client *client,
i2c_set_clientdata(client, charger);
- ret = bq24735_read_word(client, BQ24735_MANUFACTURER_ID);
- if (ret < 0) {
- dev_err(&client->dev, "Failed to read manufacturer id : %d\n",
- ret);
- return ret;
- } else if (ret != 0x0040) {
- dev_err(&client->dev,
- "manufacturer id mismatch. 0x0040 != 0x%04x\n", ret);
- return -ENODEV;
- }
-
- ret = bq24735_read_word(client, BQ24735_DEVICE_ID);
- if (ret < 0) {
- dev_err(&client->dev, "Failed to read device id : %d\n", ret);
- return ret;
- } else if (ret != 0x000B) {
- dev_err(&client->dev,
- "device id mismatch. 0x000b != 0x%04x\n", ret);
- return -ENODEV;
- }
-
if (gpio_is_valid(charger->pdata->status_gpio)) {
ret = devm_gpio_request(&client->dev,
charger->pdata->status_gpio,
@@ -415,6 +394,30 @@ static int bq24735_charger_probe(struct i2c_client *client,
charger->pdata->status_gpio_valid = !ret;
}
+ if (!charger->pdata->status_gpio_valid
+ || bq24735_charger_is_present(charger)) {
+ ret = bq24735_read_word(client, BQ24735_MANUFACTURER_ID);
+ if (ret < 0) {
+ dev_err(&client->dev, "Failed to read manufacturer id : %d\n",
+ ret);
+ return ret;
+ } else if (ret != 0x0040) {
+ dev_err(&client->dev,
+ "manufacturer id mismatch. 0x0040 != 0x%04x\n", ret);
+ return -ENODEV;
+ }
+
+ ret = bq24735_read_word(client, BQ24735_DEVICE_ID);
+ if (ret < 0) {
+ dev_err(&client->dev, "Failed to read device id : %d\n", ret);
+ return ret;
+ } else if (ret != 0x000B) {
+ dev_err(&client->dev,
+ "device id mismatch. 0x000b != 0x%04x\n", ret);
+ return -ENODEV;
+ }
+ }
+
ret = bq24735_config_charger(charger);
if (ret < 0) {
dev_err(&client->dev, "failed in configuring charger");