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

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

Change-Id: Id053e2b71705ca17caf2de2bb85f8c987790099a
Signed-off-by: Meng Wang <mengw@codeaurora.org>
This commit is contained in:
Meng Wang
2020-10-27 11:21:34 +08:00
committed by Gerrit - the friendly Code Review server
parent abe9637cc4
commit 37b25ca9ac
1 changed files with 1 additions and 6 deletions
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7
soc/swr-mstr-ctrl.c
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@@ -206,16 +206,11 @@ static ssize_t swrm_reg_show(struct swr_mstr_ctrl *swrm, char __user *ubuf,
int i, reg_val, len; int i, reg_val, len;
ssize_t total = 0; ssize_t total = 0;
char tmp_buf[SWR_MSTR_MAX_BUF_LEN]; char tmp_buf[SWR_MSTR_MAX_BUF_LEN];
int rem = 0;
if (!ubuf || !ppos) if (!ubuf || !ppos)
return 0; return 0;
i = ((int) *ppos + SWRM_BASE); i = ((int) *ppos + SWRM_BASE);
rem = i%4;
if (rem)
i = (i - rem);
for (; i <= SWRM_MAX_REGISTER; i += 4) { for (; i <= SWRM_MAX_REGISTER; i += 4) {
usleep_range(100, 150); usleep_range(100, 150);
@@ -233,7 +228,7 @@ static ssize_t swrm_reg_show(struct swr_mstr_ctrl *swrm, char __user *ubuf,
total = -EFAULT; total = -EFAULT;
goto copy_err; goto copy_err;
} }
*ppos += len; *ppos += 4;
total += len; total += len;
} }