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maa: add support for enabling pins and pulldowns

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* Not Complete

Signed-off-by: Thomas Ingleby <thomas.c.ingleby@intel.com>
This commit is contained in:
Thomas Ingleby
2014-06-17 20:15:36 +01:00
parent ea88358164
commit fa4a302398
4 changed files with 69 additions and 4 deletions
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8
src/gpio/gpio.c
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@@ -368,9 +368,11 @@ maa_gpio_dir(maa_gpio_context dev, gpio_dir_t dir)
char bu[MAX_SIZE];
int length;
int out_switch = 0;
switch(dir) {
case MAA_GPIO_OUT:
length = snprintf(bu, sizeof(bu), "out");
out_switch = 1;
break;
case MAA_GPIO_IN:
length = snprintf(bu, sizeof(bu), "in");
@@ -380,6 +382,12 @@ maa_gpio_dir(maa_gpio_context dev, gpio_dir_t dir)
return MAA_ERROR_FEATURE_NOT_IMPLEMENTED;
}
if (dev->phy_pin >= 0) {
maa_result_t swap_res = maa_swap_complex_gpio(dev->phy_pin, out_switch);
if (swap_res != MAA_SUCCESS)
return swap_res;
}
if (write(direction, bu, length*sizeof(char)) == -1) {
fprintf(stderr, "Failed to write to direction\n");
close(direction);