Hi,
On Mon, Jun 10, 2013 at 01:40:05AM +0300, Aaro Koskinen wrote:
> +void omap_otg_set_mode(enum omap_otg_mode mode)
> +{
> + if (!otg_dev) {
> + WARN(1, "%s: controller not present\n", __func__);
> + return;
> + }
> + mutex_lock(&otg_dev->serialize);
> + switch (mode) {
> + case OMAP_OTG_MODE_DEVICE:
> + /*
> + * Set B-session valid.
> + */
> + omap_otg_ctrl(OMAP_OTG_ID | OMAP_OTG_BSESSVLD);
> + break;
> + case OMAP_OTG_MODE_HOST:
> + /*
> + * Set A-session valid.
> + */
> + omap_otg_ctrl(OMAP_OTG_ASESSVLD);
> + break;
> + case OMAP_OTG_MODE_DISCONNECT:
> + /*
> + * Set B-session end to indicate no VBUS.
> + */
> + omap_otg_ctrl(OMAP_OTG_ID | OMAP_OTG_BSESSEND);
> + break;
> + default:
> + WARN(1, "%s: unknown mode: %d\n", __func__, mode);
> + }
> + mutex_unlock(&otg_dev->serialize);
> +}
> +EXPORT_SYMBOL_GPL(omap_otg_set_mode);
looks like this should provide a extcon interface for its users.
--
balbi
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