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authorLaxman Dewangan <ldewangan@nvidia.com>2015-05-06 14:50:09 +0200
committerMark Brown <broonie@kernel.org>2015-05-21 23:09:52 +0200
commiteaacaa09e42ab9ae0ebc25fc2b72aef02e3f284a (patch)
treeeada74a728ab46510758e20cab38afb0e7b1edef /drivers/regulator
parentregulator: max8973: set startup time for rail based on BIAS control (diff)
downloadlinux-eaacaa09e42ab9ae0ebc25fc2b72aef02e3f284a.tar.xz
linux-eaacaa09e42ab9ae0ebc25fc2b72aef02e3f284a.zip
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 <ldewangan@nvidia.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/regulator')
-rw-r--r--drivers/regulator/max8973-regulator.c2
1 files changed, 1 insertions, 1 deletions
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;