/* Return 1 if vol_up pressed */
int target_volume_up()
{
static uint8_t first_time = 0;
uint8_t status = 0;
struct pm8x41_gpio gpio;
if (!first_time) {
/* Configure the GPIO */
gpio.direction = PM_GPIO_DIR_IN;
gpio.function = 0;
gpio.pull = PM_GPIO_PULL_UP_30;
gpio.vin_sel = 2;
pm8x41_gpio_config(3, &gpio);
/* Wait for the pmic gpio config to take effect */
udelay(10000);
first_time = 1;
}
/* Get status of P_GPIO_5 */
pm8x41_gpio_get(3, &status);
return !status; /* active low */
}
/* Return 1 if vol_up pressed */
static int target_volume_up()
{
uint8_t status = 0;
struct pm8x41_gpio gpio;
/* CDP vol_up seems to be always grounded. So gpio status is read as 0,
* whether key is pressed or not.
* Ignore volume_up key on CDP for now.
*/
if (board_hardware_id() == HW_PLATFORM_SURF)
return 0;
/* Configure the GPIO */
gpio.direction = PM_GPIO_DIR_IN;
gpio.function = 0;
gpio.pull = PM_GPIO_PULL_UP_30;
gpio.vin_sel = 2;
pm8x41_gpio_config(5, &gpio);
/* Get status of P_GPIO_5 */
pm8x41_gpio_get(5, &status);
return !status; /* active low */
}
/* Return 1 if vol_up pressed */
static int target_volume_up()
{
uint8_t status = 0;
struct pm8x41_gpio gpio;
/* Configure the GPIO */
gpio.direction = PM_GPIO_DIR_IN;
gpio.function = 0;
gpio.pull = PM_GPIO_PULL_UP_30;
gpio.vin_sel = 2;
pm8x41_gpio_config(3, &gpio);
/* Wait for the pmic gpio config to take effect */
thread_sleep(1);
/* Get status of P_GPIO_5 */
pm8x41_gpio_get(3, &status);
return !status; /* active low */
}