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greybus: es1: allow the debug log to be stopped

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If you write 0 to the debugfs file, the log will stop being updated.

Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>
This commit is contained in:
Greg Kroah-Hartman 2015-03-24 20:47:24 +01:00
parent 0c264c6fc2
commit 25d1c37798
1 changed files with 4 additions and 6 deletions
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10
drivers/staging/greybus/es1.c
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@ -592,14 +592,12 @@ static ssize_t apb1_log_enable_write(struct file *f, const char __user *buf,
if (retval)
return retval;
if (enable) {
if (enable)
usb_log_enable(es1);
retval = count;
} else {
retval = -EINVAL;
}
else
usb_log_disable(es1);
return retval;
return count;
}
static const struct file_operations apb1_log_enable_fops = {