diff options
| author | Hans de Goede <hdegoede@redhat.com> | 2015-06-14 17:40:37 +0200 |
|---|---|---|
| committer | Hans de Goede <hdegoede@redhat.com> | 2015-07-25 11:22:55 +0200 |
| commit | 71cbe0d681d4288d090a404273ce6b0c1c14b617 (patch) | |
| tree | a603b63d897f5ab5b8be7031a143f2558e70c4af /drivers | |
| parent | b41972e7d17fb920cc50db5b363209685b1251e5 (diff) | |
sunxi: musb: Add id pin support
When in host mode check if there is a host cable inserted into the otg
port by checking the id pin. If there is no host cable return an error to
make usb_lowlevel_init() exit early, rather then waiting for 1 second
for a device which will never show up.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/musb-new/sunxi.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/usb/musb-new/sunxi.c b/drivers/usb/musb-new/sunxi.c index ee018c7e6e..cafb48039e 100644 --- a/drivers/usb/musb-new/sunxi.c +++ b/drivers/usb/musb-new/sunxi.c @@ -217,6 +217,11 @@ static int sunxi_musb_enable(struct musb *musb) printf("A charger is plugged into the OTG: "); return -ENODEV; } + ret = sunxi_usb_phy_id_detect(0); + if (ret == 1) { + printf("No host cable detected: "); + return -ENODEV; + } sunxi_usb_phy_power_on(0); /* port power on */ } |