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usb: typec: Fix fast_role_swap_current show function

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commit 92c9c3baad6b1fd584fbabeaa4756f9b77926cb5 upstream.

The current implementation mistakenly performs a & operation on
the output of sysfs_emit. This patch performs the & operation before
calling sysfs_emit.

Fixes: 662a60102c ("usb: typec: Separate USB Power Delivery from USB Type-C")
Cc: stable <stable@kernel.org>
Reported-by: Benson Leung <bleung@chromium.org>
Signed-off-by: Pavan Holla <pholla@chromium.org>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Benson Leung <bleung@chromium.org>
Message-ID: <20230607193328.3359487-1-pholla@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Pavan Holla 2023-06-07 19:33:26 +00:00 committed by Greg Kroah-Hartman
parent 2bf8ea2e9e
commit 3a1882841f
1 changed files with 1 additions and 1 deletions
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2
drivers/usb/typec/pd.c
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@ -89,7 +89,7 @@ peak_current_show(struct device *dev, struct device_attribute *attr, char *buf)
static ssize_t
fast_role_swap_current_show(struct device *dev, struct device_attribute *attr, char *buf)
{
return sysfs_emit(buf, "%u\n", to_pdo(dev)->pdo >> PDO_FIXED_FRS_CURR_SHIFT) & 3;
return sysfs_emit(buf, "%u\n", (to_pdo(dev)->pdo >> PDO_FIXED_FRS_CURR_SHIFT) & 3);
}
static DEVICE_ATTR_RO(fast_role_swap_current);