From: KT Liao <kt.liao@emc.com.tw>
Date: Fri, 22 Sep 2017 17:00:57 +0000 (-0700)
Subject: Input: elan_i2c - extend Flash-Write delay
X-Git-Tag: v4.14-rc2~14^2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=05f5c38576475439f3124a3e6d62db68de83f7be;p=platform%2Fkernel%2Flinux-rpi.git

Input: elan_i2c - extend Flash-Write delay

The original 20ms delay is only marginally enough delay after a block write
operation during firmware update. Let's increase the delay to ensure that
the controller finishes up storing the page to avoid failures in the
firmware updates.

Signed-off-by: KT Liao <kt.liao@emc.com.tw>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
---

diff --git a/drivers/input/mouse/elan_i2c_i2c.c b/drivers/input/mouse/elan_i2c_i2c.c
index 15b1330..e19eb60 100644
--- a/drivers/input/mouse/elan_i2c_i2c.c
+++ b/drivers/input/mouse/elan_i2c_i2c.c
@@ -598,7 +598,7 @@ static int elan_i2c_write_fw_block(struct i2c_client *client,
 	}
 
 	/* Wait for F/W to update one page ROM data. */
-	msleep(20);
+	msleep(35);
 
 	error = elan_i2c_read_cmd(client, ETP_I2C_IAP_CTRL_CMD, val);
 	if (error) {