From 25d1c37798cd298d726dfb114f0dcaa15824b138 Mon Sep 17 00:00:00 2001 From: Greg Kroah-Hartman Date: Tue, 24 Mar 2015 20:47:24 +0100 Subject: [PATCH] greybus: es1: allow the debug log to be stopped If you write 0 to the debugfs file, the log will stop being updated. Signed-off-by: Greg Kroah-Hartman --- drivers/staging/greybus/es1.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/drivers/staging/greybus/es1.c b/drivers/staging/greybus/es1.c index 53d2d470e593..8aad4fbe25e6 100644 --- a/drivers/staging/greybus/es1.c +++ b/drivers/staging/greybus/es1.c @@ -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 = { -- 2.20.1