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Commit 10aa5d0f authored by Laxminath Kasam's avatar Laxminath Kasam Committed by Gerrit - the friendly Code Review server
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soc: swr-wcd: Apply div2 setting on slave side before bank switch 



In soundwire controller, bank switch happen twice
for a playback session with stereo speakers. Ensure
the setting of div2 applied to inactive bank before
bank switch occurs to avoid impact based on bank chosen.

Change-Id: I033b19e78309485ca9da85ec67b54409e6fe22cc
Signed-off-by: default avatarLaxminath Kasam <lkasam@codeaurora.org>
parent b8ec9861

soc/swr-wcd-ctrl.c

+4 −4
Original line number Diff line number Diff line
@@ -655,6 +655,10 @@ static u8 get_inactive_bank_num(struct swr_mstr_ctrl *swrm) 
static void enable_bank_switch(struct swr_mstr_ctrl *swrm, u8 bank,

				u8 row, u8 col)

{

	/* apply div2 setting for inactive bank before bank switch */

	swrm_cmd_fifo_wr_cmd(swrm, 0x01, 0xF, 0x00,

			SWRS_SCP_HOST_CLK_DIV2_CTL_BANK(bank));



	swrm_cmd_fifo_wr_cmd(swrm, ((row << 3) | col), 0xF, 0xF,

			SWRS_SCP_FRAME_CTRL_BANK(bank));

}
@@ -893,10 +897,6 @@ static void swrm_apply_port_config(struct swr_master *master) 
	dev_dbg(swrm->dev, "%s: enter bank: %d master_ports: %d\n",

		__func__, bank, master->num_port);





	swrm_cmd_fifo_wr_cmd(swrm, 0x01, 0xF, 0x00,

			SWRS_SCP_HOST_CLK_DIV2_CTL_BANK(bank));



	swrm_copy_data_port_config(master, bank);

}