Messages in this thread Patch in this message | | | From | Laxman Dewangan <> | Subject | [PATCH 2/3] regulator: max8973: make default/unset dvs gpio as invalid gpio | Date | Mon, 20 Apr 2015 18:24:16 +0530 |
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If platform data has dvs-gpio value 0 as default/unset then make this as invalid gpio so that function gpio_is_valid() can return false on this case.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com> --- As discussed on the patch [PATCH] regulator: max8973: get rid of extra variable for gpio validity Adding handling of unset/default gpio on platform data which is set as 0.
drivers/regulator/max8973-regulator.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/regulator/max8973-regulator.c b/drivers/regulator/max8973-regulator.c index 1890808..85fa2de 100644 --- a/drivers/regulator/max8973-regulator.c +++ b/drivers/regulator/max8973-regulator.c @@ -408,7 +408,7 @@ static int max8973_probe(struct i2c_client *client, } if (pdata) { - max->dvs_gpio = pdata->dvs_gpio; + max->dvs_gpio = (pdata->dvs_gpio) ? pdata->dvs_gpio : -EINVAL; max->enable_external_control = pdata->enable_ext_control; max->curr_gpio_val = pdata->dvs_def_state; max->curr_vout_reg = MAX8973_VOUT + pdata->dvs_def_state; -- 1.8.1.5
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