Touch calibration file will be lost as touch firmware version different from in device when doing firmware update Preious raydium_i2c touch driver. So this modification only select specific flash
partition for firmware update to make sure all the function properly.
Signed-off-by: jeffrey.lin <jeffrey.lin@xxxxxxxxxx>
---
drivers/input/touchscreen/raydium_i2c_ts.c | 34 ++++++++++++++++++++++++++----
1 file changed, 30 insertions(+), 4 deletions(-)
diff --git a/drivers/input/touchscreen/raydium_i2c_ts.c b/drivers/input/touchscreen/raydium_i2c_ts.c
index a99fb5cac5a0..3aa40cfa2334 100644
--- a/drivers/input/touchscreen/raydium_i2c_ts.c
+++ b/drivers/input/touchscreen/raydium_i2c_ts.c
@@ -441,21 +441,41 @@ static int raydium_i2c_write_object(struct i2c_client *client,
return 0;
}
+static int raydium_i2c_flash_select(struct i2c_client *client)
+{
+ static const u8 cmd[2][2] = {
+ { 0x06, 0x01 },
+ { 0x02, 0xA1 },
+ };
+ int i;
+ int error;
+
+ for (i = 0; i < 2; i++) {
+ error = raydium_i2c_write_object(client, cmd[i], sizeof(cmd[i]),
+ RAYDIUM_WAIT_READY);
+ if (error) {
+ dev_err(&client->dev,
+ "flash select failed at step %d: %d\n", i, error);
+ return error;
+ }
+ }
+
+ return 0;
+}
+
static bool raydium_i2c_boot_trigger(struct i2c_client *client)
{
- static const u8 cmd[7][6] = {
+ static const u8 cmd[5][6] = {
{ 0x08, 0x0C, 0x09, 0x00, 0x50, 0xD7 },
{ 0x08, 0x04, 0x09, 0x00, 0x50, 0xA5 },
{ 0x08, 0x04, 0x09, 0x00, 0x50, 0x00 },
{ 0x08, 0x04, 0x09, 0x00, 0x50, 0xA5 },
{ 0x08, 0x0C, 0x09, 0x00, 0x50, 0x00 },
- { 0x06, 0x01, 0x00, 0x00, 0x00, 0x00 },
- { 0x02, 0xA2, 0x00, 0x00, 0x00, 0x00 },
};
int i;
int error;
- for (i = 0; i < 7; i++) {
+ for (i = 0; i < 5; i++) {
error = raydium_i2c_write_object(client, cmd[i], sizeof(cmd[i]),
RAYDIUM_WAIT_READY);
if (error) {
@@ -689,6 +709,12 @@ static int raydium_i2c_do_update_firmware(struct raydium_data *ts,
return error;
}
+ error = raydium_i2c_flash_select(client);
+ if (error) {
+ dev_err(&client->dev, "send flash select fail: %d\n", error);
+ return error;
+ }
+
msleep(RM_BOOT_DELAY_MS);
data = fw->data;
--
2.12.2
--
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