linux-kernel - [PATCH] driver: input :touchscreen :Modify Raydium Firmware update input file

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Date:   Thu, 21 Dec 2017 21:51:22 +0800
From:   "jeffrey.lin" <yajohn@...il.com>
To:     dmitry.torokhov@...il.com, groeck@...omium.org,
        keith.tzeng@...ntatw.com, Katherine.Hsieh@...ntatw.com,
        bleung@...gle.com
Cc:     jeffrey.lin@...-ic.com, KP.li@...-ic.com, albert.shieh@...-ic.com,
        calvin.tseng@...-ic.com, linux-kernel@...r.kernel.org,
        linux-input@...r.kernel.org
Subject: [PATCH] driver: input :touchscreen :Modify Raydium Firmware update input file

Modify update firmware to accept alternative file name

Signed-off-by: jeffrey.lin <jeffrey.lin@...-ic.com>
---
 drivers/input/touchscreen/raydium_i2c_ts.c | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/drivers/input/touchscreen/raydium_i2c_ts.c b/drivers/input/touchscreen/raydium_i2c_ts.c
index a99fb5cac5a0..439d43c3519c 100644
--- a/drivers/input/touchscreen/raydium_i2c_ts.c
+++ b/drivers/input/touchscreen/raydium_i2c_ts.c
@@ -130,6 +130,7 @@ struct raydium_data {
 	struct gpio_desc *reset_gpio;
 
 	struct raydium_info info;
+	char fw_file[64];
 
 	struct mutex sysfs_mutex;
 
@@ -752,12 +753,16 @@ static int raydium_i2c_fw_update(struct raydium_data *ts)
 {
 	struct i2c_client *client = ts->client;
 	const struct firmware *fw = NULL;
-	const char *fw_file = "raydium.fw";
 	int error;
 
-	error = request_firmware(&fw, fw_file, &client->dev);
+	/* Firmware name */
+	snprintf(ts->fw_file, sizeof(ts->fw_file),
+		"raydium_%x.fw", ts->info.hw_ver);
+	dev_dbg(&client->dev, "firmware name: %s\n", ts->fw_file);
+
+	error = request_firmware(&fw, ts->fw_file, &client->dev);
 	if (error) {
-		dev_err(&client->dev, "Unable to open firmware %s\n", fw_file);
+		dev_err(&client->dev, "Unable to open firmware %s\n", ts->fw_file);
 		return error;
 	}
 
-- 
2.12.2