RE: [PATCH] Input: elan_i2c - Reduce the resume time for new dev ices

2 messages, 2 authors, 2021-03-10 · open the first message on its own page

RE: [PATCH] Input: elan_i2c - Reduce the resume time for new dev ices

From: jingle.wu <hidden>
Date: 2021-03-09 14:54:47

Hi Dmitry:

Was this the only issue with the updated patch? Did it work for you
otherwise?
-> Yes, the updated patch can work successfully after fix this issue.

THANKS
JINGLE

-----Original Message-----
From: 'Dmitry Torokhov' [mailto:dmitry.torokhov@gmail.com] 
Sent: Tuesday, March 09, 2021 9:38 AM
To: jingle
Cc: 'linux-kernel'; 'linux-input'; 'phoenix'; 'dave.wang'; 'josh.chen'
Subject: Re: [PATCH] Input: elan_i2c - Reduce the resume time for new dev
ices

Hi Jingle,

On Mon, Mar 08, 2021 at 04:56:14PM +0800, jingle wrote:
Hi Dmitry:

1. missing "i<" 
+	u32 quirks = 0;
+	int i;
+
+	for (i = 0; ARRAY_SIZE(elan_i2c_quirks); i++) {

-> for (i = 0; i<ARRAY_SIZE(elan_i2c_quirks); i++) {
Yes, you are right of course. Was this the only issue with the updated
patch? Did it work for you otherwise?
quoted hunk
2. elan_resume () funtion are different with at Chromeos driver.
@@ -1384,7 +1422,7 @@ static int __maybe_unused elan_resume(struct 
device
*dev)
 		goto err;
 	}
 
-	error = elan_initialize(data);
+	error = elan_initialize(data, data->quirks &
ETP_QUIRK_QUICK_WAKEUP);
 	if (error)
 		dev_err(dev, "initialize when resuming failed: %d\n",
error);
-> https://chromium.googlesource.com/chromiumos/third_party/kernel/+/r
-> ef
-> s/heads/chromeos-5.4/drivers/input/mouse/elan_i2c_core.c#1434
-> error = elan_initialize(data);  this code is in elan_reactivate()
function at Chromeos driver.
-> Will this change affect cherrypick from linux kernel to chromeos?
Yes, we would need to adjust the patch for Chrome OS and have
elan_reactivate() to call elan_initialize() with appropriate argument.

Thanks.

--
Dmitry

Re: [PATCH] Input: elan_i2c - Reduce the resume time for new dev ices

From: 'Dmitry Torokhov' <dmitry.torokhov@gmail.com>
Date: 2021-03-10 05:47:18

On Tue, Mar 09, 2021 at 10:53:34PM +0800, jingle.wu wrote:
Hi Dmitry:

Was this the only issue with the updated patch? Did it work for you
otherwise?
-> Yes, the updated patch can work successfully after fix this issue.
OK, great, I applied it.

Thanks.

-- 
Dmitry
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