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b=IJI7lRopF6HiCg9JuOScjJjb1LHkeOIWgo0krdg+j1L16DnGd9Wtcy9TCPbvtluSHltlNp xFIF6ZpTwkV92uZg4MBEX5a57Hhz/o1t2BXLELPenXglQmJpBOqP8Bgjau4CR2wWN5LCYn DdeUOoxDcr8h+63NUoTTvcXxJFZylHo= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-545-gg5Kz01nPueXO-Zkk8RM5A-1; Sun, 27 Dec 2020 16:13:06 -0500 X-MC-Unique: gg5Kz01nPueXO-Zkk8RM5A-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 2D71710051A2; Sun, 27 Dec 2020 21:13:04 +0000 (UTC) Received: from x1.localdomain.com (ovpn-112-25.ams2.redhat.com [10.36.112.25]) by smtp.corp.redhat.com (Postfix) with ESMTP id F403062A23; Sun, 27 Dec 2020 21:13:01 +0000 (UTC) From: Hans de Goede To: Lee Jones , MyungJoo Ham , Chanwoo Choi , Cezary Rojewski , Pierre-Louis Bossart , Liam Girdwood , Jie Yang , Mark Brown Subject: [PATCH 11/14] extcon: arizona: Use ASoC jack input-device when available Date: Sun, 27 Dec 2020 22:12:29 +0100 Message-Id: <20201227211232.117801-12-hdegoede@redhat.com> In-Reply-To: <20201227211232.117801-1-hdegoede@redhat.com> References: <20201227211232.117801-1-hdegoede@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 Cc: Hans de Goede , alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, patches@opensource.cirrus.com X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" When the machine driver creates an ASoC jack for jack-detect and CONFIG_SND_JACK_INPUT_DEV is enabled then this will also create an input-device. In this case use the already created input-device to report button presses instead of creating a second "Headset" input-device for the same headset. This relies on the machine-driver setting up the jack-input-device to report the EV_KEY key-codes configured in arizona_pdata.micd_ranges, before registering it. Signed-off-by: Hans de Goede --- drivers/extcon/extcon-arizona.c | 46 +++++++++++++++++++++++---------- 1 file changed, 32 insertions(+), 14 deletions(-) diff --git a/drivers/extcon/extcon-arizona.c b/drivers/extcon/extcon-arizona.c index 931a7d239aea..292ca4088418 100644 --- a/drivers/extcon/extcon-arizona.c +++ b/drivers/extcon/extcon-arizona.c @@ -1376,6 +1376,7 @@ static int arizona_extcon_probe(struct platform_device *pdev) { struct arizona *arizona = dev_get_drvdata(pdev->dev.parent); struct arizona_pdata *pdata = &arizona->pdata; + bool using_jack_input_dev = false; struct arizona_extcon_info *info; unsigned int val; unsigned int clamp_mode; @@ -1453,15 +1454,28 @@ static int arizona_extcon_probe(struct platform_device *pdev) return ret; } - info->input = devm_input_allocate_device(&pdev->dev); - if (!info->input) { - dev_err(arizona->dev, "Can't allocate input dev\n"); - ret = -ENOMEM; - return ret; - } +#ifdef CONFIG_SND_JACK_INPUT_DEV + if (arizona->jack) { + info->input = input_get_device(arizona->jack->jack->input_dev); + using_jack_input_dev = true; + } else +#endif + { + info->input = devm_input_allocate_device(&pdev->dev); + if (!info->input) { + dev_err(arizona->dev, "Can't allocate input dev\n"); + ret = -ENOMEM; + return ret; + } - info->input->name = "Headset"; - info->input->phys = "arizona/extcon"; + /* + * balance the put in arizona_extcon_remove, which is necessary + * when re-using the jack-device's input-device. + */ + input_get_device(info->input); + info->input->name = "Headset"; + info->input->phys = "arizona/extcon"; + } if (!pdata->micd_timeout) pdata->micd_timeout = DEFAULT_MICD_TIMEOUT; @@ -1603,8 +1617,9 @@ static int arizona_extcon_probe(struct platform_device *pdev) arizona_micd_levels[j], i); arizona_micd_set_level(arizona, i, j); - input_set_capability(info->input, EV_KEY, - info->micd_ranges[i].key); + if (!using_jack_input_dev) + input_set_capability(info->input, EV_KEY, + info->micd_ranges[i].key); /* Enable reporting of that range */ regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_2, @@ -1718,10 +1733,12 @@ static int arizona_extcon_probe(struct platform_device *pdev) dev_warn(arizona->dev, "Failed to set MICVDD to bypass: %d\n", ret); - ret = input_register_device(info->input); - if (ret) { - dev_err(&pdev->dev, "Can't register input device: %d\n", ret); - goto err_hpdet; + if (!using_jack_input_dev) { + ret = input_register_device(info->input); + if (ret) { + dev_err(&pdev->dev, "Can't register input device: %d\n", ret); + goto err_hpdet; + } } pm_runtime_put(&pdev->dev); @@ -1792,6 +1809,7 @@ static int arizona_extcon_remove(struct platform_device *pdev) ARIZONA_JD1_ENA, 0); arizona_clk32k_disable(arizona); + input_put_device(info->input); gpiod_put(info->micd_pol_gpio); pm_runtime_disable(&pdev->dev);