linux-kernel - [PATCH] driver: input: touchscreen: modify Raydium i2c touchscreen driver

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Message-Id: <20210415085829.1419147-1-simba.hsu@raydium.corp-partner.google.com>
Date:   Thu, 15 Apr 2021 16:58:29 +0800
From:   "simba.hsu" <simba.hsu@...dium.corp-partner.google.com>
To:     dmitry.torokhov@...il.com, furquan@...gle.com,
        seanpaul@...omium.org, rrangel@...omium.org, simba.hsu@...-ic.com
Cc:     jeffrey.lin@...-ic.com, KP.li@...-ic.com,
        linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
        "simba.hsu" <simba.hsu@...dium.corp-partner.google.com>
Subject: [PATCH] driver: input: touchscreen: modify Raydium i2c touchscreen driver

This path makes auto-update available when IC's status is
Recovery mode.

Signed-off-by: simba.hsu@...dium.corp-partner.google.com
Change-Id: I5ae54896a201b949eba7514500a7e75574f5726b
---
 drivers/input/touchscreen/raydium_i2c_ts.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/input/touchscreen/raydium_i2c_ts.c b/drivers/input/touchscreen/raydium_i2c_ts.c
index 444479ef699e..a97403c55f75 100644
--- a/drivers/input/touchscreen/raydium_i2c_ts.c
+++ b/drivers/input/touchscreen/raydium_i2c_ts.c
@@ -298,6 +298,7 @@ static int raydium_i2c_query_ts_BL_info(struct raydium_data *ts)
 					 0x10, 0xc0, 0x01, 0x00, 0x04, 0x00};
 	int error;
 	u8 rbuf[5] = {0, 0, 0, 0, 0};
+	u32 tmpdata = 0;
 
 	error = raydium_i2c_send(client,
 				 RM_CMD_BOOT_WRT, get_hwid, sizeof(get_hwid));
@@ -315,7 +316,8 @@ static int raydium_i2c_query_ts_BL_info(struct raydium_data *ts)
 	error = raydium_i2c_read(client,
 				 RM_CMD_BOOT_CHK, rbuf, sizeof(rbuf));
 	if (!error) {
-		ts->info.hw_ver = cpu_to_le32(rbuf[1]<<24|rbuf[2]<<16|rbuf[3]<<8|rbuf[4]);
+		tmpdata = (rbuf[1]<<24|rbuf[2]<<16|rbuf[3]<<8|rbuf[4]);
+		ts->info.hw_ver = cpu_to_le32(tmpdata);
 		dev_err(&client->dev, "HWID %08X\n", ts->info.hw_ver);
 	} else {
 		ts->info.hw_ver = cpu_to_le32(0xffffffffUL);
-- 
2.25.1