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ASoC: imx-audmux: use sysfs_emit() to instead of scnprintf()

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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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ye xingchen 2022-12-05 19:43:47 +08:00 committed by Mark Brown
parent ef0a098efb
commit a39bc7cf8e
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1 changed files with 1 additions and 2 deletions
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3
sound/soc/fsl/imx-audmux.c
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@ -75,8 +75,7 @@ static ssize_t audmux_read_file(struct file *file, char __user *user_buf,
if (!buf)
return -ENOMEM;
ret = scnprintf(buf, PAGE_SIZE, "PDCR: %08x\nPTCR: %08x\n",
pdcr, ptcr);
ret = sysfs_emit(buf, "PDCR: %08x\nPTCR: %08x\n", pdcr, ptcr);
if (ptcr & IMX_AUDMUX_V2_PTCR_TFSDIR)
ret += scnprintf(buf + ret, PAGE_SIZE - ret,