From: "Henrik Rydberg" <rydberg@euromail.se>
To: Benjamin Tissoires <benjamin.tissoires@gmail.com>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>,
Jiri Kosina <jkosina@suse.cz>, Stephane Chatty <chatty@enac.fr>,
linux-input@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 04/13] HID: hid-input: add usage_index in struct hid_usage.
Date: Tue, 13 Nov 2012 16:38:33 +0100 [thread overview]
Message-ID: <20121113153833.GA485@polaris.bitmath.org> (raw)
In-Reply-To: <1352306256-12180-5-git-send-email-benjamin.tissoires@gmail.com>
Hi Benjamin,
> Currently, there is no way to know the index of the current field
> in the .input_mapping and .event callbacks when this field is inside
> an array of HID fields.
> This patch adds this index to the struct hid_usage so that this
> information is available to input_mapping and event callbacks.
>
> Signed-off-by: Benjamin Tissoires <benjamin.tissoires@gmail.com>
> ---
> drivers/hid/hid-core.c | 4 ++++
> include/linux/hid.h | 1 +
> 2 files changed, 5 insertions(+)
>
> diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
> index 9da3007..8f82c4c 100644
> --- a/drivers/hid/hid-core.c
> +++ b/drivers/hid/hid-core.c
> @@ -92,6 +92,7 @@ EXPORT_SYMBOL_GPL(hid_register_report);
> static struct hid_field *hid_register_field(struct hid_report *report, unsigned usages, unsigned values)
> {
> struct hid_field *field;
> + int i;
>
> if (report->maxfield == HID_MAX_FIELDS) {
> hid_err(report->device, "too many fields in report\n");
> @@ -110,6 +111,9 @@ static struct hid_field *hid_register_field(struct hid_report *report, unsigned
> field->value = (s32 *)(field->usage + usages);
> field->report = report;
>
> + for (i = 0; i < usages; i++)
> + field->usage[i].usage_index = i;
> +
> return field;
> }
>
> diff --git a/include/linux/hid.h b/include/linux/hid.h
> index a110a3e..6b4f322 100644
> --- a/include/linux/hid.h
> +++ b/include/linux/hid.h
> @@ -380,6 +380,7 @@ struct hid_usage {
> unsigned hid; /* hid usage code */
> unsigned collection_index; /* index into collection array */
> /* hidinput data */
> + unsigned usage_index; /* index into usage array */
Is this really hidinput data? Should it not be one line above?
> __u16 code; /* input driver code */
> __u8 type; /* input driver type */
> __s8 hat_min; /* hat switch fun */
> --
> 1.7.11.7
>
Thanks,
Henrik
next prev parent reply other threads:[~2012-11-13 15:32 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-07 16:37 [PATCH v3 00/13] Win 8 support for digitizers Benjamin Tissoires
2012-11-07 16:37 ` [PATCH v3 01/13] HID: hid-input: export hidinput_calc_abs_res Benjamin Tissoires
2012-11-13 7:45 ` Jiri Kosina
2012-11-07 16:37 ` [PATCH v3 02/13] HID: hid-input: round return value of hidinput_calc_abs_res Benjamin Tissoires
2012-11-13 7:44 ` Jiri Kosina
2012-11-07 16:37 ` [PATCH v3 03/13] HID: core: fix unit exponent parsing Benjamin Tissoires
2012-11-13 7:43 ` Jiri Kosina
2012-11-07 16:37 ` [PATCH v3 04/13] HID: hid-input: add usage_index in struct hid_usage Benjamin Tissoires
2012-11-13 7:44 ` Jiri Kosina
2012-11-13 15:38 ` Henrik Rydberg [this message]
2012-11-07 16:37 ` [PATCH v3 05/13] HID: hid-multitouch: support arrays for the split of the touches in a report Benjamin Tissoires
2012-11-13 15:44 ` Henrik Rydberg
2012-11-07 16:37 ` [PATCH v3 06/13] HID: hid-multitouch: get maxcontacts also from logical_max value Benjamin Tissoires
2012-11-07 16:37 ` [PATCH v3 07/13] HID: hid-multitouch: support T and C for win8 devices Benjamin Tissoires
2012-11-13 15:56 ` Henrik Rydberg
2012-11-07 16:37 ` [PATCH v3 08/13] HID: hid-multitouch: move ALWAYS_VALID quirk check Benjamin Tissoires
2012-11-13 15:57 ` Henrik Rydberg
2012-11-07 16:37 ` [PATCH v3 09/13] HID: hid-multitouch: add MT_QUIRK_IGNORE_DUPLICATES Benjamin Tissoires
2012-11-13 16:25 ` Henrik Rydberg
2012-11-07 16:37 ` [PATCH v3 10/13] HID: hid-multitouch: fix Win 8 protocol Benjamin Tissoires
2012-11-13 16:31 ` Henrik Rydberg
2012-11-07 16:37 ` [PATCH v3 11/13] HID: hid-multitouch: support for hovering devices Benjamin Tissoires
2012-11-13 16:42 ` Henrik Rydberg
2012-11-13 17:29 ` Benjamin Tissoires
2012-11-13 18:04 ` Henrik Rydberg
2012-11-13 18:08 ` Benjamin Tissoires
2012-11-13 18:55 ` Henrik Rydberg
2012-11-07 16:37 ` [PATCH v3 12/13] HID: introduce Scan Time Benjamin Tissoires
2012-11-09 8:45 ` Dmitry Torokhov
2012-11-13 14:25 ` Benjamin Tissoires
2012-11-13 17:15 ` Henrik Rydberg
2012-11-07 16:37 ` [PATCH v3 13/13] HID: hid-multitouch: forwards ABS_SCAN_TIME Benjamin Tissoires
2012-11-13 14:30 ` Benjamin Tissoires
2012-11-13 17:27 ` Henrik Rydberg
2012-11-13 17:45 ` Benjamin Tissoires
2012-11-13 18:28 ` Henrik Rydberg
2012-11-13 18:43 ` Henrik Rydberg
2012-11-13 7:47 ` [PATCH v3 00/13] Win 8 support for digitizers Jiri Kosina
2012-11-13 8:12 ` Benjamin Tissoires
2012-11-13 17:33 ` Henrik Rydberg
2012-11-13 17:52 ` Benjamin Tissoires
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