Hi,
On 04/29/2016 01:15 AM, Mark Brown wrote:
> On Thu, Apr 28, 2016 at 01:55:35PM +0800, Lu Baolu wrote:
>
>> How about below code?
>> + gpiod = gpiod_get(dev, "vbus_en", GPIOD_ASIS);
>> + if (IS_ERR(gpiod))
>> + return PTR_ERR(gpiod);
>> +
>> + config->gpio = desc
On Thu, Apr 28, 2016 at 01:55:35PM +0800, Lu Baolu wrote:
> How about below code?
> + gpiod = gpiod_get(dev, "vbus_en", GPIOD_ASIS);
> + if (IS_ERR(gpiod))
> + return PTR_ERR(gpiod);
> +
> + config->gpio = desc_to_gpio(gpiod);
> + config->enable_high = device
Hi,
On 04/27/2016 08:33 PM, Mark Brown wrote:
> On Wed, Apr 27, 2016 at 09:54:10AM +0800, Lu Baolu wrote:
>
>> Please refer to Documentation/acpi/gpio-properties.txt.
> That's not visibly what your driver is doing, that is also recommending
> using a static name which is what I'm asking for.
Yes,
On Wed, Apr 27, 2016 at 09:54:10AM +0800, Lu Baolu wrote:
> Please refer to Documentation/acpi/gpio-properties.txt.
That's not visibly what your driver is doing, that is also recommending
using a static name which is what I'm asking for.
> > Why does the device care?It's requesting the GPIO in
>
Hi,
On 04/26/2016 06:23 PM, Mark Brown wrote:
> On Tue, Apr 26, 2016 at 10:24:56AM +0800, Lu Baolu wrote:
>
>> The GPIO name might be different in different use cases. For my case,
>> it is "vbus_en", but other cases should use the different name.
>> On ACPI compatible platforms, GPIO resources ar
On Tue, Apr 26, 2016 at 10:24:56AM +0800, Lu Baolu wrote:
> The GPIO name might be different in different use cases. For my case,
> it is "vbus_en", but other cases should use the different name.
> On ACPI compatible platforms, GPIO resources are reported via ACPI
> tables and (devm_)gpiod_get()
Hi Mark,
On 04/26/2016 01:30 AM, Mark Brown wrote:
> On Mon, Apr 25, 2016 at 04:04:50PM +0800, Lu Baolu wrote:
>
>> +ret = device_property_read_string(dev, "gpio-name", &gpio_name);
>> +if (!ret) {
>> +gpiod = gpiod_get(dev, gpio_name, GPIOD_ASIS);
>> +if (!IS_ERR(g
On Mon, Apr 25, 2016 at 04:04:50PM +0800, Lu Baolu wrote:
> + ret = device_property_read_string(dev, "gpio-name", &gpio_name);
> + if (!ret) {
> + gpiod = gpiod_get(dev, gpio_name, GPIOD_ASIS);
> + if (!IS_ERR(gpiod)) {
This doesn't look like it's a standard ACPI b
Add support to retrieve fixed voltage configure information through
ACPI interface. This is needed for Intel Bay Trail devices, where a
GPIO is used to control the USB vbus.
Signed-off-by: Lu Baolu
---
drivers/regulator/fixed.c | 48 +++
1 file changed
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