iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

soundwire: cadence: Write to correct address for each FIFO chunk

Browse Source 
_cdns_xfer_msg() must add the fragment offset to msg->addr to get the
base target address of each FIFO chunk. Otherwise every chunk will
be written to the first 32 register addresses.

Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20220917123517.229153-1-rf@opensource.cirrus.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Richard Fitzgerald 2022-09-17 13:35:17 +01:00 committed by Vinod Koul
parent 560458df5f
commit 3ed96fb4a6
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/soundwire/cadence_master.c
View File

@ -569,7 +569,7 @@ _cdns_xfer_msg(struct sdw_cdns *cdns, struct sdw_msg *msg, int cmd,
}
base = CDNS_MCP_CMD_BASE;
addr = msg->addr;
addr = msg->addr + offset;
for (i = 0; i < count; i++) {
data = FIELD_PREP(CDNS_MCP_CMD_DEV_ADDR, msg->dev_num);