BTCVSD_RX_PACKET_SIZE   45 sound/soc/mediatek/common/mtk-btcvsd.c #define BTCVSD_RX_BUF_SIZE (BTCVSD_RX_PACKET_SIZE * SCO_RX_PACKER_BUF_NUM)
BTCVSD_RX_PACKET_SIZE  250 sound/soc/mediatek/common/mtk-btcvsd.c 	bt->rx->packet_size = BTCVSD_RX_PACKET_SIZE;