From eaacaa09e42ab9ae0ebc25fc2b72aef02e3f284a Mon Sep 17 00:00:00 2001 From: Laxman Dewangan Date: Wed, 6 May 2015 18:20:09 +0530 Subject: [PATCH] regulator: max8973: make default/unset dvs gpio as invalid gpio 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 Signed-off-by: Mark Brown --- 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 be9a463d7354..3df5a84f819c 100644 --- a/drivers/regulator/max8973-regulator.c +++ b/drivers/regulator/max8973-regulator.c @@ -413,7 +413,7 @@ 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; -- 2.20.1