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soc: swr-mstr: Support to execute commands on command ignore

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If the optional commands/registers in soundwire slave(s) are not
implemented, then soundwire bus will ignore the corresponding
commands and executes the next commands in queue.

Change-Id: I24dd929975218a150717f03f5c17c2be173a5005
Signed-off-by: Sudheer Papothi <spapothi@codeaurora.org>
This commit is contained in:
Sudheer Papothi 2018-11-15 01:08:03 +05:30 • committed by Gerrit - the friendly Code Review server
commit 63f4815535
2 changed files with 10 additions and 0 deletions
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9
soc/swr-mstr-ctrl.c
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@ -1631,6 +1631,15 @@ static int swrm_master_init(struct swr_mstr_ctrl *swrm)
swr_master_bulk_write(swrm, reg, value, len);
/*
* For SWR master version 1.5.1, continue
* execute on command ignore.
*/
if (swrm->version == SWRM_VERSION_1_5_1)
swr_master_write(swrm, SWRM_CMD_FIFO_CFG_ADDR,
(swr_master_read(swrm,
SWRM_CMD_FIFO_CFG_ADDR) | 0x80000000));
return ret;
}

1
soc/swr-mstr-ctrl.h
View file

@ -25,6 +25,7 @@
#define SWRM_VERSION_1_2 0x01030000
#define SWRM_VERSION_1_3 0x01040000
#define SWRM_VERSION_1_5 0x01050000
#define SWRM_VERSION_1_5_1 0x01050001
#define SWR_MAX_CH_PER_PORT 8