--- zzzz-none-000/linux-3.10.107/drivers/media/i2c/tlv320aic23b.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/media/i2c/tlv320aic23b.c	2021-02-04 17:41:59.000000000 +0000
@@ -122,13 +122,6 @@
 
 static const struct v4l2_subdev_core_ops tlv320aic23b_core_ops = {
 	.log_status = tlv320aic23b_log_status,
-	.g_ext_ctrls = v4l2_subdev_g_ext_ctrls,
-	.try_ext_ctrls = v4l2_subdev_try_ext_ctrls,
-	.s_ext_ctrls = v4l2_subdev_s_ext_ctrls,
-	.g_ctrl = v4l2_subdev_g_ctrl,
-	.s_ctrl = v4l2_subdev_s_ctrl,
-	.queryctrl = v4l2_subdev_queryctrl,
-	.querymenu = v4l2_subdev_querymenu,
 };
 
 static const struct v4l2_subdev_audio_ops tlv320aic23b_audio_ops = {
@@ -162,7 +155,7 @@
 	v4l_info(client, "chip found @ 0x%x (%s)\n",
 			client->addr << 1, client->adapter->name);
 
-	state = kzalloc(sizeof(struct tlv320aic23b_state), GFP_KERNEL);
+	state = devm_kzalloc(&client->dev, sizeof(*state), GFP_KERNEL);
 	if (state == NULL)
 		return -ENOMEM;
 	sd = &state->sd;
@@ -191,7 +184,6 @@
 		int err = state->hdl.error;
 
 		v4l2_ctrl_handler_free(&state->hdl);
-		kfree(state);
 		return err;
 	}
 	v4l2_ctrl_handler_setup(&state->hdl);
@@ -205,7 +197,6 @@
 
 	v4l2_device_unregister_subdev(sd);
 	v4l2_ctrl_handler_free(&state->hdl);
-	kfree(state);
 	return 0;
 }