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Commit 795c484e authored by Meng Wang's avatar Meng Wang
Browse files

soc: swr-mstr: update logic to dump soundwire register 



Some soundwire register dump is skipped with current logic.
Update ppos logic to dump all soundwire registers correctly.

Change-Id: Id053e2b71705ca17caf2de2bb85f8c987790099a
Signed-off-by: default avatarMeng Wang <mengw@codeaurora.org>
parent 7c1dc5a7

soc/swr-mstr-ctrl.c

+1 −6
Original line number Diff line number Diff line
@@ -233,16 +233,11 @@ static ssize_t swrm_reg_show(struct swr_mstr_ctrl *swrm, char __user *ubuf, 
	int i, reg_val, len;

	ssize_t total = 0;

	char tmp_buf[SWR_MSTR_MAX_BUF_LEN];

	int rem = 0;



	if (!ubuf || !ppos)

		return 0;



	i = ((int) *ppos + SWRM_BASE);

	rem = i%4;



	if (rem)

		i = (i - rem);



	for (; i <= SWRM_MAX_REGISTER; i += 4) {

		usleep_range(100, 150);
@@ -260,7 +255,7 @@ static ssize_t swrm_reg_show(struct swr_mstr_ctrl *swrm, char __user *ubuf, 
			total = -EFAULT;

			goto copy_err;

		}

		*ppos += len;

		*ppos += 4;

		total += len;

	}