Messages in this thread Patch in this message | | | From | Dave Wang <> | Subject | [PATCH 1/3] Input: elan_i2c - Do no operation for elan_smbus_set_mode function | Date | Mon, 9 Dec 2019 06:11:07 -0500 |
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Some touchpads might get error while triggerring the set_mode command in SMBus interface. Do no operation for elan_smbus_set_mode function.
Signed-off-by: Dave Wang <dave.wang@emc.com.tw> --- drivers/input/mouse/elan_i2c_smbus.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/drivers/input/mouse/elan_i2c_smbus.c b/drivers/input/mouse/elan_i2c_smbus.c index 8c3185d54c73..bcb9ec4a7a6b 100644 --- a/drivers/input/mouse/elan_i2c_smbus.c +++ b/drivers/input/mouse/elan_i2c_smbus.c @@ -84,10 +84,7 @@ static int elan_smbus_initialize(struct i2c_client *client) static int elan_smbus_set_mode(struct i2c_client *client, u8 mode) { - u8 cmd[4] = { 0x00, 0x07, 0x00, mode }; - - return i2c_smbus_write_block_data(client, ETP_SMBUS_IAP_CMD, - sizeof(cmd), cmd); + return 0; /* A no-op */ } static int elan_smbus_sleep_control(struct i2c_client *client, bool sleep) -- 2.17.1
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