Add default write command package to prevent i2c quirk error of zero
data length as Raydium touch firmware update is executed.
Signed-off-by: jeffrey.lin <jeffrey.lin@xxxxxxxxxx>
---
drivers/input/touchscreen/raydium_i2c_ts.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/input/touchscreen/raydium_i2c_ts.c b/drivers/input/touchscreen/raydium_i2c_ts.c
index 603a948460d64..4d2d22a869773 100644
--- a/drivers/input/touchscreen/raydium_i2c_ts.c
+++ b/drivers/input/touchscreen/raydium_i2c_ts.c
@@ -445,6 +445,7 @@ static int raydium_i2c_write_object(struct i2c_client *client,
enum raydium_bl_ack state)
{
int error;
+ static const u8 cmd[] = { 0xFF, 0x39 };
error = raydium_i2c_send(client, RM_CMD_BOOT_WRT, data, len);
if (error) {
@@ -453,7 +454,7 @@ static int raydium_i2c_write_object(struct i2c_client *client,
return error;
}
- error = raydium_i2c_send(client, RM_CMD_BOOT_ACK, NULL, 0);
+ error = raydium_i2c_send(client, RM_CMD_BOOT_ACK, cmd, sizeof(cmd));
if (error) {
dev_err(&client->dev, "Ack obj command failed: %d\n", error);
return error;
--
2.26.2
