Merge "USB: dwc3-msm: Add support for new ioctl for voltage request"
diff --git a/drivers/usb/dwc3/dwc3-msm.c b/drivers/usb/dwc3/dwc3-msm.c
index 667a8a2..561d57b 100644
--- a/drivers/usb/dwc3/dwc3-msm.c
+++ b/drivers/usb/dwc3/dwc3-msm.c
@@ -2635,6 +2635,30 @@
pm_runtime_put(mdwc->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;
}
diff --git a/include/linux/usb/msm_ext_chg.h b/include/linux/usb/msm_ext_chg.h
index dcc786d..596ab49 100644
--- a/include/linux/usb/msm_ext_chg.h
+++ b/include/linux/usb/msm_ext_chg.h
@@ -6,6 +6,8 @@
#define USB_CHG_BLOCK_ULPI 1
#define USB_CHG_BLOCK_QSCRATCH 2
+#define USB_REQUEST_5V 1
+#define USB_REQUEST_9V 2
/**
* struct msm_usb_chg_info - MSM USB charger block details.
* @chg_block_type: The type of charger block. QSCRATCH/ULPI.
@@ -28,4 +30,10 @@
/* Vote against USB hardware low power mode */
#define MSM_USB_EXT_CHG_BLOCK_LPM _IOW('M', 1, int)
+/* To tell kernel about voltage being voted */
+#define MSM_USB_EXT_CHG_VOLTAGE_INFO _IOW('M', 2, int)
+
+/* To tell kernel about voltage request result */
+#define MSM_USB_EXT_CHG_RESULT _IOW('M', 3, int)
+
#endif /* __LINUX_USB_MSM_EXT_CHG_H */