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Commit c40aee43 authored by Vijayavardhan Vennapusa's avatar Vijayavardhan Vennapusa
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USB: msm_otg: Add support for new ioctl for voltage request 



Add support for new ioctls for userspace to let kernel driver
know about new voltage request being negogiated and also result
whether the request is successful or not, when HVDCP charger is
connected.

Change-Id: Ie7271cc2dea082ceb33d67f0b4d2959ed977b618
Signed-off-by: default avatarVijayavardhan Vennapusa <vvreddy@codeaurora.org>
parent 219364c5

drivers/usb/phy/phy-msm-usb.c

+24 −0
Original line number Diff line number Diff line
@@ -4143,6 +4143,30 @@ msm_otg_ext_chg_ioctl(struct file *file, unsigned int cmd, unsigned long arg) 
			pm_runtime_put(motg->phy.dev);

		}

		break;

	case MSM_USB_EXT_CHG_VOLTAGE_INFO:

		if (get_user(val, (int __user *)arg)) {

			pr_err("%s: get_user failed\n\n", __func__);

			ret = -EFAULT;

			break;

		}



		if (val == USB_REQUEST_5V)

			pr_debug("%s:voting 5V voltage request\n", __func__);

		else if (val == USB_REQUEST_9V)

			pr_debug("%s:voting 9V voltage request\n", __func__);

		break;

	case MSM_USB_EXT_CHG_RESULT:

		if (get_user(val, (int __user *)arg)) {

			pr_err("%s: get_user failed\n\n", __func__);

			ret = -EFAULT;

			break;

		}



		if (!val)

			pr_debug("%s:voltage request successful\n", __func__);

		else

			pr_debug("%s:voltage request failed\n", __func__);

		break;

	default:

		ret = -EINVAL;

	}