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ASoC: imx-audmux: use sysfs_emit() to instead of scnprintf()
Follow the advice of the Documentation/filesystems/sysfs.rst and show() should only use sysfs_emit() or sysfs_emit_at() when formatting the value to be returned to user space. Signed-off-by: ye xingchen <ye.xingchen@zte.com.cn> Link: https://lore.kernel.org/r/202212051943476482106@zte.com.cn Signed-off-by: Mark Brown <broonie@kernel.org>
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1 changed files with 1 additions and 2 deletions
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@ -75,8 +75,7 @@ static ssize_t audmux_read_file(struct file *file, char __user *user_buf,
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if (!buf)
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return -ENOMEM;
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ret = scnprintf(buf, PAGE_SIZE, "PDCR: %08x\nPTCR: %08x\n",
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pdcr, ptcr);
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ret = sysfs_emit(buf, "PDCR: %08x\nPTCR: %08x\n", pdcr, ptcr);
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if (ptcr & IMX_AUDMUX_V2_PTCR_TFSDIR)
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ret += scnprintf(buf + ret, PAGE_SIZE - ret,
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