From: "Barnabás Pőcze" <pobrn@protonmail.com>
To: Roderick Colenbrander <roderick@gaikai.com>
Cc: Jiri Kosina <jikos@kernel.org>,
Benjamin Tissoires <benjamin.tissoires@redhat.com>,
"linux-input@vger.kernel.org" <linux-input@vger.kernel.org>,
Chris Ye <lzye@google.com>,
Roderick Colenbrander <roderick.colenbrander@sony.com>
Subject: Re: [PATCH v2 12/13] HID: playstation: DualSense set LEDs to default player id.
Date: Thu, 07 Jan 2021 22:25:15 +0000 [thread overview]
Message-ID: <uyEK3LmEvaKDosxkqkczg8jyXrMGJdo2b69sFZrK0Zlbag81cf5AMqf60JATfAyeFLCWpMT3z9k1i16W5Vbw7gjmNep2lV6BtTG-vDo947I=@protonmail.com> (raw)
In-Reply-To: <20210102223109.996781-13-roderick@gaikai.com>
Hi
2021. január 2., szombat 23:31 keltezéssel, Roderick Colenbrander írta:
> From: Roderick Colenbrander <roderick.colenbrander@sony.com>
>
> Add a ID allocator to assign player ids to ps_device instances.
> Utilize the player id to set a default color on the DualSense its
> player LED strip.
>
> Signed-off-by: Roderick Colenbrander <roderick.colenbrander@sony.com>
>
> [...]
> +static void ps_device_release_player_id(struct ps_device *dev)
> +{
> + ida_free(&ps_player_id_allocator, dev->player_id);
> +
> + dev->player_id = -1;
A minor thing, but I believe U32_MAX would be better here. I'd avoid
(especially) negative magic numbers for an unsigned value. You could even
#define PS_PLAYER_ID_INVALID U32_MAX
or something similar.
> +}
> +
> static struct input_dev *ps_allocate_input_dev(struct hid_device *hdev, const char *name_suffix)
> {
> struct input_dev *input_dev;
> @@ -1102,6 +1125,28 @@ static int dualsense_reset_leds(struct dualsense *ds)
> return 0;
> }
>
> +static void dualsense_set_player_leds(struct dualsense *ds)
> +{
> + /* The DualSense controller has a row of 5 LEDs used for player ids.
> + * Behavior on the PlayStation 5 console is to center the player id
> + * across the LEDs, so e.g. player 1 would be "--x--" with x being 'on'.
> + * Follow a similar mapping here.
> + */
> + int player_ids[5] = {
> + BIT(2),
> + BIT(3) | BIT(1),
> + BIT(4) | BIT(2) | BIT(0),
> + BIT(4) | BIT(3) | BIT(1) | BIT(0),
> + BIT(4) | BIT(3) | BIT(2) | BIT(1) | BIT(0)
> + };
> +
> + uint8_t player_id = ds->base.player_id % 5;
I'd write `ds->base.player_id % ARRAY_SIZE(player_ids)` here.
> +
> + ds->update_player_leds = true;
> + ds->player_leds_state = player_ids[player_id];
> + schedule_work(&ds->output_worker);
> +}
> [...]
Regards,
Barnabás Pőcze
next prev parent reply other threads:[~2021-01-07 22:26 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-02 22:30 [PATCH v2 00/13] HID: new driver for PS5 'DualSense' controller Roderick Colenbrander
2021-01-02 22:30 ` [PATCH v2 01/13] HID: playstation: initial DualSense USB support Roderick Colenbrander
2021-01-04 12:20 ` Jiri Kosina
2021-01-05 8:20 ` Benjamin Tissoires
2021-01-07 17:14 ` Barnabás Pőcze
2021-01-08 7:12 ` Roderick Colenbrander
2021-01-08 11:53 ` Barnabás Pőcze
2021-01-02 22:30 ` [PATCH v2 02/13] HID: playstation: use DualSense MAC address as unique identifier Roderick Colenbrander
2021-01-07 17:22 ` Barnabás Pőcze
2021-01-02 22:30 ` [PATCH v2 03/13] HID: playstation: add DualSense battery support Roderick Colenbrander
2021-01-07 17:50 ` Barnabás Pőcze
2021-01-02 22:31 ` [PATCH v2 04/13] HID: playstation: add DualSense touchpad support Roderick Colenbrander
2021-01-07 17:55 ` Barnabás Pőcze
2021-01-02 22:31 ` [PATCH v2 05/13] HID: playstation: add DualSense accelerometer and gyroscope support Roderick Colenbrander
2021-01-07 13:34 ` Florian Märkl
2021-01-08 5:51 ` Roderick Colenbrander
2021-01-07 18:51 ` Barnabás Pőcze
2021-01-08 6:06 ` Roderick Colenbrander
2021-01-08 12:01 ` Barnabás Pőcze
2021-01-08 17:15 ` Siarhei Vishniakou
2021-01-08 19:54 ` Roderick Colenbrander
2021-01-09 0:11 ` Siarhei Vishniakou
2021-01-11 0:06 ` Roderick Colenbrander
2021-01-02 22:31 ` [PATCH v2 06/13] HID: playstation: track devices in list Roderick Colenbrander
2021-01-07 20:13 ` Barnabás Pőcze
2021-01-02 22:31 ` [PATCH v2 07/13] HID: playstation: add DualSense Bluetooth support Roderick Colenbrander
2021-01-07 20:18 ` Barnabás Pőcze
2021-01-02 22:31 ` [PATCH v2 08/13] HID: playstation: add DualSense classic rumble support Roderick Colenbrander
2021-01-07 20:41 ` Barnabás Pőcze
2021-01-07 20:48 ` Barnabás Pőcze
2021-01-08 17:01 ` Roderick Colenbrander
2021-01-02 22:31 ` [PATCH v2 09/13] HID: playstation: add DualSense lightbar support Roderick Colenbrander
2021-01-07 21:01 ` Barnabás Pőcze
2021-01-02 22:31 ` [PATCH v2 10/13] HID: playstation: add microphone mute support for DualSense Roderick Colenbrander
2021-01-07 21:57 ` Barnabás Pőcze
2021-01-02 22:31 ` [PATCH v2 11/13] HID: playstation: add DualSense player LEDs support Roderick Colenbrander
2021-01-07 22:17 ` Barnabás Pőcze
2021-01-02 22:31 ` [PATCH v2 12/13] HID: playstation: DualSense set LEDs to default player id Roderick Colenbrander
2021-01-07 22:25 ` Barnabás Pőcze [this message]
2021-01-02 22:31 ` [PATCH v2 13/13] HID: playstation: report DualSense hardware and firmware version Roderick Colenbrander
2021-01-07 22:26 ` Barnabás Pőcze
2021-01-09 1:35 ` Roderick Colenbrander
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