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[30/30,SRU,Jammy] UBUNTU: SAUCE: ljca: disable autosuspend by default

Message ID 20220117151928.954829-31-vicamo.yang@canonical.com
State New
Headers show
Series Support Intel IPU6 MIPI camera on Alder Lake platforms | expand

Commit Message

You-Sheng Yang Jan. 17, 2022, 3:19 p.m. UTC 
From: Ye Xiang <xiang.ye@intel.com>

BugLink: https://bugs.launchpad.net/bugs/1955383

Because it will cost more than 100ms in PM before calling LJCA
resume when enabling autosuspend, which will make first LJCA transfer
after resume use more than 100ms, we disable autosuspend temporarily.

Signed-off-by: Ye Xiang <xiang.ye@intel.com>
(cherry picked from commit 3cc092e1e2ccee536c5da23a105431bfdd8952d6 github.com/intel/ivsc-driver)
Signed-off-by: You-Sheng Yang <vicamo.yang@canonical.com>
---
 drivers/mfd/ljca.c | 1 -
 1 file changed, 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/mfd/ljca.c b/drivers/mfd/ljca.c
index aace699de53a..621fc048c911 100644
--- a/drivers/mfd/ljca.c
+++ b/drivers/mfd/ljca.c
@@ -1120,7 +1120,6 @@  static int ljca_probe(struct usb_interface *intf,
 		goto error;
 	}
 
-	usb_enable_autosuspend(ljca->udev);
 	ljca->state = LJCA_STARTED;
 	dev_info(&intf->dev, "LJCA USB device init success\n");
 	return 0;