diff options
Diffstat (limited to 'driver/usb_switch_pi3usb9281.c')
| -rw-r--r-- | driver/usb_switch_pi3usb9281.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/driver/usb_switch_pi3usb9281.c b/driver/usb_switch_pi3usb9281.c index 78580fc7a8..329c476708 100644 --- a/driver/usb_switch_pi3usb9281.c +++ b/driver/usb_switch_pi3usb9281.c @@ -185,6 +185,17 @@ int pi3usb9281_set_pins(uint8_t chip_idx, uint8_t val) return pi3usb9281_write(chip_idx, PI3USB9281_REG_MANUAL, val); } +int pi3usb9281_set_switches(uint8_t chip_idx, int open) +{ + uint8_t ctrl = pi3usb9281_read(chip_idx, PI3USB9281_REG_CONTROL) & 0x15; + if (open) + ctrl &= ~PI3USB9281_CTRL_SWITCH_AUTO; + else + ctrl |= PI3USB9281_CTRL_SWITCH_AUTO; + + return pi3usb9281_write(chip_idx, PI3USB9281_REG_CONTROL, ctrl); +} + static void pi3usb9281_init(void) { uint8_t dev_id; |