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dm: gpio: sandbox: Implement the get_function() method 

Implement this method so that the 'gpio' command can do its job correctly.
For sandbox we only support input and output states for a gpio.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2014-10-04 11:29:45 -06:00
parent 0757535a7e
commit 699ea9606c
1 changed files with 8 additions and 1 deletions
drivers/gpio
sandbox.c

9
drivers/gpio/sandbox.c
View File

@ -203,6 +203,13 @@ static int sb_gpio_get_state(struct udevice *dev, unsigned int offset,
return 0;
}
static int sb_gpio_get_function(struct udevice *dev, unsigned offset)
{
if (get_gpio_flag(dev, offset, GPIOF_OUTPUT))
return GPIOF_OUTPUT;
return GPIOF_INPUT;
}
static const struct dm_gpio_ops gpio_sandbox_ops = {
.request = sb_gpio_request,
.free = sb_gpio_free,
@ -210,7 +217,7 @@ static const struct dm_gpio_ops gpio_sandbox_ops = {
.direction_output = sb_gpio_direction_output,
.get_value = sb_gpio_get_value,
.set_value = sb_gpio_set_value,
.get_state = sb_gpio_get_state,
.get_function = sb_gpio_get_function,
};
static int sandbox_gpio_ofdata_to_platdata(struct udevice *dev)