static int msi3101_stop_streaming(struct vb2_queue *vq)
{
struct msi3101_state *s = vb2_get_drv_priv(vq);
+ int ret;
dev_dbg(&s->udev->dev, "%s:\n", __func__);
if (mutex_lock_interruptible(&s->v4l2_lock))
/* according to tests, at least 700us delay is required */
msleep(20);
- msi3101_ctrl_msg(s, CMD_STOP_STREAMING, 0);
+ ret = msi3101_ctrl_msg(s, CMD_STOP_STREAMING, 0);
+ if (ret)
+ goto err_sleep_tuner;
/* sleep USB IF / ADC */
- msi3101_ctrl_msg(s, CMD_WREG, 0x01000003);
+ ret = msi3101_ctrl_msg(s, CMD_WREG, 0x01000003);
+ if (ret)
+ goto err_sleep_tuner;
+err_sleep_tuner:
/* sleep tuner */
- v4l2_subdev_call(s->v4l2_subdev, core, s_power, 0);
+ ret = v4l2_subdev_call(s->v4l2_subdev, core, s_power, 0);
mutex_unlock(&s->v4l2_lock);
- return 0;
+ return ret;
}
static struct vb2_ops msi3101_vb2_ops = {