From patchwork Sun Nov 12 19:41:24 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Duje_Mihanovi=C4=87?= X-Patchwork-Id: 743667 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0A74E171B7 for ; Sun, 12 Nov 2023 19:43:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=none Received: from mx.skole.hr (mx1.hosting.skole.hr [161.53.165.185]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 611791BFF; Sun, 12 Nov 2023 11:43:42 -0800 (PST) Received: from mx1.hosting.skole.hr (localhost.localdomain [127.0.0.1]) by mx.skole.hr (mx.skole.hr) with ESMTP id A225B86A13; Sun, 12 Nov 2023 20:43:39 +0100 (CET) From: =?utf-8?q?Duje_Mihanovi=C4=87?= To: Markuss Broks , Dmitry Torokhov Cc: ~postmarketos/upstreaming@lists.sr.ht, phone-devel@vger.kernel.org, Karel Balej , =?utf-8?q?Duje_Mihanovi=C4=87?= , linux-input@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] input: touchscreen: imagis: Add touch key support Date: Sun, 12 Nov 2023 20:41:24 +0100 Message-ID: <20231112194124.24916-1-duje.mihanovic@skole.hr> X-Mailer: git-send-email 2.42.1 Precedence: bulk X-Mailing-List: linux-input@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 IST3032C (and possibly some other models) has touch keys. Add support for them to the imagis driver. Signed-off-by: Duje Mihanović --- This patch depends on the series generalizing the driver and adding IST3032C support: https://lore.kernel.org/all/20231003133440.4696-1-karelb@gimli.ms.mff.cuni.cz/ --- drivers/input/touchscreen/imagis.c | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/drivers/input/touchscreen/imagis.c b/drivers/input/touchscreen/imagis.c index 41f28e6e9cb1..5a54ce291655 100644 --- a/drivers/input/touchscreen/imagis.c +++ b/drivers/input/touchscreen/imagis.c @@ -30,6 +30,7 @@ #define IST3038C_FINGER_COUNT_MASK GENMASK(15, 12) #define IST3038C_FINGER_COUNT_SHIFT 12 #define IST3038C_FINGER_STATUS_MASK GENMASK(9, 0) +#define IST3032C_KEY_STATUS_MASK GENMASK(20, 16) #define IST3038B_REG_STATUS 0x20 #define IST3038B_REG_CHIPID 0x30 @@ -43,6 +44,7 @@ struct imagis_properties { unsigned int whoami_cmd; unsigned int whoami_val; bool protocol_b; + bool touch_keys_supported; }; struct imagis_ts { @@ -95,7 +97,7 @@ static irqreturn_t imagis_interrupt(int irq, void *dev_id) { struct imagis_ts *ts = dev_id; u32 intr_message, finger_status; - unsigned int finger_count, finger_pressed; + unsigned int finger_count, finger_pressed, key_pressed; int i; int error; @@ -144,6 +146,11 @@ static irqreturn_t imagis_interrupt(int irq, void *dev_id) IST3038C_AREA_SHIFT); } + key_pressed = FIELD_GET(IST3032C_KEY_STATUS_MASK, intr_message); + + input_report_key(ts->input_dev, KEY_APPSELECT, (key_pressed & BIT(0))); + input_report_key(ts->input_dev, KEY_BACK, (key_pressed & BIT(1))); + input_mt_sync_frame(ts->input_dev); input_sync(ts->input_dev); @@ -229,6 +236,10 @@ static int imagis_init_input_dev(struct imagis_ts *ts) input_set_capability(input_dev, EV_ABS, ABS_MT_POSITION_X); input_set_capability(input_dev, EV_ABS, ABS_MT_POSITION_Y); input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0, 16, 0, 0); + if (ts->tdata->touch_keys_supported) { + input_set_capability(input_dev, EV_KEY, KEY_BACK); + input_set_capability(input_dev, EV_KEY, KEY_APPSELECT); + } touchscreen_parse_properties(input_dev, true, &ts->prop); if (!ts->prop.max_x || !ts->prop.max_y) { @@ -370,6 +381,7 @@ static const struct imagis_properties imagis_3032c_data = { .touch_coord_cmd = IST3038C_REG_TOUCH_COORD, .whoami_cmd = IST3038C_REG_CHIPID, .whoami_val = IST3032C_WHOAMI, + .touch_keys_supported = true, }; static const struct imagis_properties imagis_3038b_data = {