Messages in this thread | | | Date | Mon, 19 Sep 2022 10:39:32 +0200 | Subject | Re: [PATCH] soundwire: cadence: Write to correct address for each FIFO chunk | From | Pierre-Louis Bossart <> |
| |
On 9/17/22 14:35, Richard Fitzgerald wrote: > _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> > --- > drivers/soundwire/cadence_master.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/soundwire/cadence_master.c b/drivers/soundwire/cadence_master.c > index 3ef472049980..ca241bbeadd9 100644 > --- a/drivers/soundwire/cadence_master.c > +++ b/drivers/soundwire/cadence_master.c > @@ -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;
LGTM, probably means that sending a large command broken in several pieces never worked. D'oh.
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Thanks Richard!
> > for (i = 0; i < count; i++) { > data = FIELD_PREP(CDNS_MCP_CMD_DEV_ADDR, msg->dev_num);
| |