diff options
Diffstat (limited to 'drivers/regulator/fixed.c')
| -rw-r--r-- | drivers/regulator/fixed.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/regulator/fixed.c b/drivers/regulator/fixed.c index 7d639ad953b6..ccc29038f19a 100644 --- a/drivers/regulator/fixed.c +++ b/drivers/regulator/fixed.c @@ -170,6 +170,19 @@ static int reg_fixed_voltage_probe(struct platform_device *pdev) gflags = GPIOD_OUT_LOW_OPEN_DRAIN; } + /* + * Some fixed regulators share the enable line between two + * regulators which makes it necessary to get a handle on the + * same descriptor for two different consumers. This will get + * the GPIO descriptor, but only the first call will initialize + * it so any flags such as inversion or open drain will only + * be set up by the first caller and assumed identical on the + * next caller. + * + * FIXME: find a better way to deal with this. + */ + gflags |= GPIOD_FLAGS_BIT_NONEXCLUSIVE; + cfg.ena_gpiod = devm_gpiod_get_optional(&pdev->dev, NULL, gflags); if (IS_ERR(cfg.ena_gpiod)) return PTR_ERR(cfg.ena_gpiod); |