On 2015년 09월 20일 21:34, Hans de Goede wrote:
> is_extcon_changed should only check the idx-th bit of new, not
> the entirety of new when setting attached.
>
> This fixes extcon sending notifications that a cable was inserted when
> it gets removed while another cable is still connected.
>
> Cc: stable@xxxxxxxxxxxxxxx
> Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>
> ---
> drivers/extcon/extcon.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/extcon/extcon.c b/drivers/extcon/extcon.c
> index a07addd..8dd0af1 100644
> --- a/drivers/extcon/extcon.c
> +++ b/drivers/extcon/extcon.c
> @@ -159,7 +159,7 @@ static int find_cable_index_by_name(struct extcon_dev *edev, const char *name)
> static bool is_extcon_changed(u32 prev, u32 new, int idx, bool *attached)
> {
> if (((prev >> idx) & 0x1) != ((new >> idx) & 0x1)) {
> - *attached = new ? true : false;
> + *attached = ((new >> idx) & 0x1) ? true : false;
> return true;
> }
>
>
This patch was already applied[1].
[1] https://git.kernel.org/cgit/linux/kernel/git/chanwoo/extcon.git/log/?h=extcon-next
Thanks,
Chanwoo Choi
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