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Commit 93194f83 authored by Satish Kodishala's avatar Satish Kodishala Committed by Gerrit - the friendly Code Review server
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btfm: Don't program multi channel registers in wcn3990 for SCO 



For SCO use cases, we should not program multi chanel
registers. Programming this leading to silence randomly
in SCO Rx/Tx.

CRs-Fixed: 2048423
Change-Id: I5e41591fb81b5bd3cf9358819c0a62a5cfe60e13
Signed-off-by: default avatarSatish Kodishala <skodisha@codeaurora.org>
parent 03a5d4f9

drivers/bluetooth/btfm_slim.h

+1 −0
Original line number Diff line number Diff line
@@ -68,6 +68,7 @@ struct btfmslim { 


	uint32_t num_rx_port;

	uint32_t num_tx_port;

	uint32_t sample_rate;



	struct btfmslim_ch *rx_chs;

	struct btfmslim_ch *tx_chs;

drivers/bluetooth/btfm_slim_codec.c

+3 −0
Original line number Diff line number Diff line
@@ -134,6 +134,9 @@ static int btfm_slim_dai_prepare(struct snd_pcm_substream *substream, 
	BTFMSLIM_DBG("dai->name: %s, dai->id: %d, dai->rate: %d", dai->name,

		dai->id, dai->rate);



	/* save sample rate */

	btfmslim->sample_rate = dai->rate;



	switch (dai->id) {

	case BTFM_FM_SLIM_TX:

		grp = true; nchan = 2;

drivers/bluetooth/btfm_slim_wcn3990.c

+3 −15
Original line number Diff line number Diff line
@@ -88,12 +88,12 @@ int btfm_slim_chrk_enable_port(struct btfmslim *btfmslim, uint8_t port_num, 


	BTFMSLIM_DBG("port(%d) enable(%d)", port_num, enable);

	if (rxport) {

		if (enable) {

			/* For SCO Rx, A2DP Rx */

		if (enable && btfmslim->sample_rate == 48000) {

			/* For A2DP Rx */

			reg_val = 0x1;

			port_bit = port_num - 0x10;

			reg = CHRK_SB_PGD_RX_PORTn_MULTI_CHNL_0(port_bit);

			BTFMSLIM_DBG("writing reg_val (%d) to reg(%x)",

			BTFMSLIM_DBG("writing reg_val (%d) to reg(%x) for A2DP",

					reg_val, reg);

			ret = btfm_slim_write(btfmslim, reg, 1, &reg_val, IFD);

			if (ret) {
@@ -120,18 +120,6 @@ int btfm_slim_chrk_enable_port(struct btfmslim *btfmslim, uint8_t port_num, 
			BTFMSLIM_ERR("failed to write (%d) reg 0x%x", ret, reg);

			goto error;

		}

	} else if (port_num == CHRK_SB_PGD_PORT_TX_SCO) {

		/* SCO Tx */

		reg_val = 0x1 << CHRK_SB_PGD_PORT_TX_SCO;

		reg = CHRK_SB_PGD_TX_PORTn_MULTI_CHNL_0(port_num);

		BTFMSLIM_DBG("writing reg_val (%d) to reg(%x)",

				reg_val, reg);

		ret = btfm_slim_write(btfmslim, reg, 1, &reg_val, IFD);

		if (ret) {

			BTFMSLIM_ERR("failed to write (%d) reg 0x%x",

					ret, reg);

			goto error;

		}

	}



	/* Enable Tx port hw auto recovery for underrun or overrun error */