Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932368AbbFSKrc (ORCPT ); Fri, 19 Jun 2015 06:47:32 -0400 Received: from opensource.wolfsonmicro.com ([80.75.67.52]:56292 "EHLO opensource.wolfsonmicro.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932186AbbFSKrD (ORCPT ); Fri, 19 Jun 2015 06:47:03 -0400 From: Charles Keepax To: lee.jones@linaro.org, cw00.choi@samsung.com Cc: myungjoo.ham@samsung.com, sameo@linux.intel.com, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, patches@opensource.wolfsonmicro.com Subject: [PATCH v3 4/7] extcon: arizona: Convert to gpiod Date: Fri, 19 Jun 2015 11:33:06 +0100 Message-Id: <1434709989-28300-5-git-send-email-ckeepax@opensource.wolfsonmicro.com> X-Mailer: git-send-email 1.7.2.5 In-Reply-To: <1434709989-28300-1-git-send-email-ckeepax@opensource.wolfsonmicro.com> References: <1434709989-28300-1-git-send-email-ckeepax@opensource.wolfsonmicro.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4002 Lines: 129 Convert to using the newer gpiod interface for the micd_pol_gpio. Although we still carry support for the old gpio interface from pdata. Signed-off-by: Charles Keepax --- drivers/extcon/extcon-arizona.c | 41 ++++++++++++++++++++++++++++++++++---- 1 files changed, 36 insertions(+), 5 deletions(-) diff --git a/drivers/extcon/extcon-arizona.c b/drivers/extcon/extcon-arizona.c index 6826d99..eb8cf74 100644 --- a/drivers/extcon/extcon-arizona.c +++ b/drivers/extcon/extcon-arizona.c @@ -20,6 +20,7 @@ #include #include #include +#include #include #include #include @@ -95,6 +96,8 @@ struct arizona_extcon_info { int hpdet_ip_version; struct extcon_dev *edev; + + struct gpio_desc *micd_pol_gpio; }; static const struct arizona_micd_config micd_default_modes[] = { @@ -205,6 +208,10 @@ static void arizona_extcon_set_mode(struct arizona_extcon_info *info, int mode) if (arizona->pdata.micd_pol_gpio > 0) gpio_set_value_cansleep(arizona->pdata.micd_pol_gpio, info->micd_modes[mode].gpio); + else + gpiod_set_value_cansleep(info->micd_pol_gpio, + info->micd_modes[mode].gpio); + regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_1, ARIZONA_MICD_BIAS_SRC_MASK, info->micd_modes[mode].bias << @@ -1272,6 +1279,27 @@ static int arizona_extcon_probe(struct platform_device *pdev) arizona->pdata.micd_pol_gpio, ret); goto err_register; } + } else { + if (gpio_initial_level) + mode = GPIOD_OUT_HIGH; + else + mode = GPIOD_OUT_LOW; + + /* We can't use devm here because we need to do the get + * against the MFD device, as that is where the of_node + * will reside, but if we devm against that the GPIO + * will not be freed if the extcon driver is unloaded. + */ + info->micd_pol_gpio = gpiod_get_optional(arizona->dev, + "wlf,micd-pol", + GPIOD_OUT_LOW); + if (IS_ERR(info->micd_pol_gpio)) { + ret = PTR_ERR(info->micd_pol_gpio); + dev_err(arizona->dev, + "Failed to get microphone polarity GPIO: %d\n", + ret); + goto err_register; + } } if (arizona->pdata.hpdet_id_gpio > 0) { @@ -1282,7 +1310,7 @@ static int arizona_extcon_probe(struct platform_device *pdev) if (ret != 0) { dev_err(arizona->dev, "Failed to request GPIO%d: %d\n", arizona->pdata.hpdet_id_gpio, ret); - goto err_register; + goto err_gpio; } } @@ -1326,7 +1354,7 @@ static int arizona_extcon_probe(struct platform_device *pdev) dev_err(arizona->dev, "MICD ranges must be sorted\n"); ret = -EINVAL; - goto err_input; + goto err_gpio; } } } @@ -1345,7 +1373,7 @@ static int arizona_extcon_probe(struct platform_device *pdev) dev_err(arizona->dev, "Unsupported MICD level %d\n", info->micd_ranges[i].max); ret = -EINVAL; - goto err_input; + goto err_gpio; } dev_dbg(arizona->dev, "%d ohms for MICD threshold %d\n", @@ -1418,7 +1446,7 @@ static int arizona_extcon_probe(struct platform_device *pdev) if (ret != 0) { dev_err(&pdev->dev, "Failed to get JACKDET rise IRQ: %d\n", ret); - goto err_input; + goto err_gpio; } ret = arizona_set_irq_wake(arizona, jack_irq_rise, 1); @@ -1489,7 +1517,8 @@ err_rise_wake: arizona_set_irq_wake(arizona, jack_irq_rise, 0); err_rise: arizona_free_irq(arizona, jack_irq_rise, info); -err_input: +err_gpio: + gpiod_put(info->micd_pol_gpio); err_register: pm_runtime_disable(&pdev->dev); return ret; @@ -1501,6 +1530,8 @@ static int arizona_extcon_remove(struct platform_device *pdev) struct arizona *arizona = info->arizona; int jack_irq_rise, jack_irq_fall; + gpiod_put(info->micd_pol_gpio); + pm_runtime_disable(&pdev->dev); regmap_update_bits(arizona->regmap, -- 1.7.2.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in Please read the FAQ at http://www.tux.org/lkml/