[PATCH V2 5/7] input: keyboard: imx_sc_key: Fix build warning for !CONFIG_IMX_SCU case

Fix below build warning when COMPILE_TEST is enabled while IMX_SCU is not:

drivers/input/keyboard/imx_sc_key.c: In function ‘imx_sc_check_for_events’:
drivers/input/keyboard/imx_sc_key.c:87:27: warning: ‘msg.state’ is used
uninitialized in this function [-Wuninitialized]
state = (bool)(msg.state & 0xff);
                             ^
AR      drivers/input/keyboard/built-in.a

Signed-off-by: Anson Huang <redacted>
---
new patch.
---
 drivers/input/keyboard/imx_sc_key.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/input/keyboard/imx_sc_key.c b/drivers/input/keyboard/imx_sc_key.c
index 9f809ae..26a12fb 100644
--- a/drivers/input/keyboard/imx_sc_key.c
+++ b/drivers/input/keyboard/imx_sc_key.c

@@ -72,6 +72,7 @@ static void imx_sc_check_for_events(struct work_struct *work)
 	hdr->func = IMX_SC_MISC_FUNC_GET_BUTTON_STATUS;
 	hdr->size = 1;
 
+	msg.state = 0;
 	error = imx_scu_call_rpc(priv->key_ipc_handle, &msg, true);
 	if (error) {
 		dev_err(&input->dev, "read imx sc key failed, error %d\n", error);

-- 
2.7.4