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SubjectRe: [PATCH] extcon: arizona: Declare 3-pole jack if we detect open circuit on mic
On 06/26/2015 12:47 AM, Charles Keepax wrote:
> Detecting an open-circuit on the microphone pin, usually means the
> headset has a microphone but the cable is faulty. Currently the code
> will simply stop detecting and declare nothing in this situation. It is
> better to declare this as headphones such that the user can still use
> their headset as plain headphones even if the microphone is faulty.
>
> Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
> ---
> drivers/extcon/extcon-arizona.c | 3 +++
> 1 files changed, 3 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/extcon/extcon-arizona.c b/drivers/extcon/extcon-arizona.c
> index 4c47eb2..e216a97 100644
> --- a/drivers/extcon/extcon-arizona.c
> +++ b/drivers/extcon/extcon-arizona.c
> @@ -829,7 +829,10 @@ static void arizona_micd_detect(struct work_struct *work)
> /* Due to jack detect this should never happen */
> if (!(val & ARIZONA_MICD_STS)) {
> dev_warn(arizona->dev, "Detected open circuit\n");
> + info->mic = false;
> + arizona_stop_mic(info);
> info->detecting = false;
> + arizona_identify_headphone(info);
> goto handled;
> }
>
>

Applied it.

Thanks,
Chanwoo Choi


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