shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-07 19:30:30 +09:00
Code Issues Packages Projects Releases Wiki Activity

Input: raydium_ts_i2c - do not send zero length

Browse Source 
commit fafd320ae5 upstream.

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@rad-ic.com>
Link: https://lore.kernel.org/r/1608031217-7247-1-git-send-email-jeffrey.lin@raydium.corp-partner.google.com
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
jeffrey.lin
2020-12-15 10:50:12 -08:00
committed by Greg Kroah-Hartman
parent 2d954832ba
commit d84f9c28ab
1 changed files with 2 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/input/touchscreen/raydium_i2c_ts.c
View File

@@ -410,6 +410,7 @@ 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) {
@@ -418,7 +419,7 @@ 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;