On Mon, 16 Feb 2015 15:06:59 +0200
Lauri Kasanen <cand@xxxxxxx> wrote:
> Without this, my "Gasia Co.,Ltd PS(R) Gamepad" would not send
> any events. Now everything works including the leds.
>
> Based on work by Andrew Haines and Antonio Ospite.
>
> cc: Antonio Ospite <ao2@xxxxxx>
> cc: Andrew Haines <AndrewD207@xxxxxxx>
> Signed-off-by: Lauri Kasanen <cand@xxxxxxx>
Reviewed-by: Antonio Ospite <ao2@xxxxxx>
Original controllers still work fine after this change.
Some follow-up patches are on their way.
Thanks,
Antonio
> ---
> drivers/hid/hid-sony.c | 22 +++++++++++++++++++++-
> 1 file changed, 21 insertions(+), 1 deletion(-)
>
> Antonio: size 8 works.
>
> v4:
> - use size 8
>
> v3:
> - reuse the dummy heap buffer
> - skip later checks if the earlier ones fail
>
> v2:
> - edited error messages
> - use output_report
>
> diff --git a/drivers/hid/hid-sony.c b/drivers/hid/hid-sony.c
> index 31e9d25..f3d44e5 100644
> --- a/drivers/hid/hid-sony.c
> +++ b/drivers/hid/hid-sony.c
> @@ -1139,9 +1139,29 @@ static int sixaxis_set_operational_usb(struct hid_device *hdev)
> ret = hid_hw_raw_request(hdev, 0xf2, buf, 17, HID_FEATURE_REPORT,
> HID_REQ_GET_REPORT);
>
> + if (ret < 0) {
> + hid_err(hdev, "can't set operational mode: step 1\n");
> + goto out;
> + }
> +
> + /*
> + * Some compatible controllers like the Speedlink Strike FX and
> + * Gasia need another query plus an USB interrupt to get operational.
> + */
> + ret = hid_hw_raw_request(hdev, 0xf5, buf, 8, HID_FEATURE_REPORT,
> + HID_REQ_GET_REPORT);
> +
> + if (ret < 0) {
> + hid_err(hdev, "can't set operational mode: step 2\n");
> + goto out;
> + }
> +
> + ret = hid_hw_output_report(hdev, buf, 1);
> +
> if (ret < 0)
> - hid_err(hdev, "can't set operational mode\n");
> + hid_err(hdev, "can't set operational mode: step 3\n");
>
> +out:
> kfree(buf);
>
> return ret;
> --
> 1.8.3.1
>
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--
Antonio Ospite
http://ao2.it
A: Because it messes up the order in which people normally read text.
See http://en.wikipedia.org/wiki/Posting_style
Q: Why is top-posting such a bad thing?
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