v4l2_m2m_buf_remove_by_idx
EXPORT_SYMBOL_GPL(v4l2_m2m_buf_remove_by_idx);
v4l2_m2m_buf_remove_by_idx(struct v4l2_m2m_queue_ctx *q_ctx, unsigned int idx);
return v4l2_m2m_buf_remove_by_idx(&m2m_ctx->out_q_ctx, idx);
return v4l2_m2m_buf_remove_by_idx(&m2m_ctx->cap_q_ctx, idx);