[PATCH 04/15] power: supply: bq24190_charger: Add no_register_reset pdata flag

[Hans de Goede]

On some platforms the register have been setup with platform specific
values by the firmware and should not be reset.

Signed-off-by: Hans de Goede <hdego...@redhat.com>
---
 drivers/power/supply/bq24190_charger.c | 5 +++++
 include/linux/power/bq24190_charger.h  | 1 +
 2 files changed, 6 insertions(+)

diff --git a/drivers/power/supply/bq24190_charger.c 
b/drivers/power/supply/bq24190_charger.c
index a4f0849..c92a40e4 100644
--- a/drivers/power/supply/bq24190_charger.c
+++ b/drivers/power/supply/bq24190_charger.c
@@ -151,6 +151,7 @@ struct bq24190_dev_info {
        struct device                   *dev;
        struct power_supply             *charger;
        struct power_supply             *battery;
+       struct bq24190_platform_data    *pdata;
        char                            model_name[I2C_NAME_SIZE];
        kernel_ulong_t                  model;
        unsigned int                    gpio_int;
@@ -506,6 +507,9 @@ static int bq24190_register_reset(struct bq24190_dev_info 
*bdi)
        int ret, limit = 100;
        u8 v;
 
+       if (bdi->pdata && bdi->pdata->no_register_reset)
+               return 0;
+
        /* Reset the registers */
        ret = bq24190_write_mask(bdi, BQ24190_REG_POC,
                        BQ24190_REG_POC_RESET_MASK,
@@ -1339,6 +1343,7 @@ static int bq24190_probe(struct i2c_client *client,
        bdi->client = client;
        bdi->dev = dev;
        bdi->model = id->driver_data;
+       bdi->pdata = client->dev.platform_data;
        strncpy(bdi->model_name, id->name, I2C_NAME_SIZE);
        mutex_init(&bdi->f_reg_lock);
        bdi->f_reg = 0;
diff --git a/include/linux/power/bq24190_charger.h 
b/include/linux/power/bq24190_charger.h
index 9f02837..cb49717 100644
--- a/include/linux/power/bq24190_charger.h
+++ b/include/linux/power/bq24190_charger.h
@@ -11,6 +11,7 @@
 
 struct bq24190_platform_data {
        unsigned int    gpio_int;       /* GPIO pin that's connected to INT# */
+       bool no_register_reset;
 };
 
 #endif
-- 
2.9.3