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Tue, 15 Nov 2022 21:38:37 -0800 (PST) Received: from dtor-ws.mtv.corp.google.com ([2620:15c:9d:2:2d36:e9a0:170b:669f]) by smtp.gmail.com with ESMTPSA id ik13-20020a170902ab0d00b0017834a6966csm10881038plb.176.2022.11.15.21.38.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 15 Nov 2022 21:38:36 -0800 (PST) From: Dmitry Torokhov To: Mark Brown , Liam Girdwood Subject: [PATCH 09/11] ASoC: wcd9335: switch to using gpiod API Date: Tue, 15 Nov 2022 21:38:15 -0800 Message-Id: <20221116053817.2929810-9-dmitry.torokhov@gmail.com> X-Mailer: git-send-email 2.38.1.431.g37b22c650d-goog In-Reply-To: <20221116053817.2929810-1-dmitry.torokhov@gmail.com> References: <20221116053817.2929810-1-dmitry.torokhov@gmail.com> MIME-Version: 1.0 Cc: alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org 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" Switch the driver from legacy gpio API that is deprecated to the newer gpiod API that respects line polarities described in ACPI/DT. Also the old code did not actually request the reset line, but was toggling it directly; this has been fixed. Signed-off-by: Dmitry Torokhov --- sound/soc/codecs/wcd9335.c | 33 ++++++++++++++++++--------------- 1 file changed, 18 insertions(+), 15 deletions(-) diff --git a/sound/soc/codecs/wcd9335.c b/sound/soc/codecs/wcd9335.c index d2548fdf9ae5..27cbec3e6763 100644 --- a/sound/soc/codecs/wcd9335.c +++ b/sound/soc/codecs/wcd9335.c @@ -11,12 +11,13 @@ #include #include #include +#include +#include #include #include #include #include #include -#include #include #include #include @@ -329,7 +330,7 @@ struct wcd9335_codec { int comp_enabled[COMPANDER_MAX]; int intr1; - int reset_gpio; + struct gpio_desc *reset_gpio; struct regulator_bulk_data supplies[WCD9335_MAX_SUPPLY]; unsigned int rx_port_value[WCD9335_RX_MAX]; @@ -5032,25 +5033,27 @@ static const struct regmap_irq_chip wcd9335_regmap_irq1_chip = { static int wcd9335_parse_dt(struct wcd9335_codec *wcd) { struct device *dev = wcd->dev; - struct device_node *np = dev->of_node; int ret; - wcd->reset_gpio = of_get_named_gpio(np, "reset-gpios", 0); - if (wcd->reset_gpio < 0) { - dev_err(dev, "Reset GPIO missing from DT\n"); - return wcd->reset_gpio; + wcd->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW); + ret = PTR_ERR_OR_ZERO(wcd->reset_gpio); + if (ret) { + dev_err(dev, "failed to request reset GPIO: %d\n", ret); + return ret; } wcd->mclk = devm_clk_get(dev, "mclk"); - if (IS_ERR(wcd->mclk)) { - dev_err(dev, "mclk not found\n"); - return PTR_ERR(wcd->mclk); + ret = PTR_ERR_OR_ZERO(wcd->mclk); + if (ret) { + dev_err(dev, "mclk not found: %d\n", ret); + return ret; } wcd->native_clk = devm_clk_get(dev, "slimbus"); - if (IS_ERR(wcd->native_clk)) { - dev_err(dev, "slimbus clock not found\n"); - return PTR_ERR(wcd->native_clk); + ret = PTR_ERR_OR_ZERO(wcd->native_clk); + if (ret) { + dev_err(dev, "slimbus clock not found: %d\n", ret); + return ret; } wcd->supplies[0].supply = "vdd-buck"; @@ -5088,9 +5091,9 @@ static int wcd9335_power_on_reset(struct wcd9335_codec *wcd) */ usleep_range(600, 650); - gpio_direction_output(wcd->reset_gpio, 0); + gpiod_set_value_cansleep(wcd->reset_gpio, 1); msleep(20); - gpio_set_value(wcd->reset_gpio, 1); + gpiod_set_value_cansleep(wcd->reset_gpio, 0); msleep(20); return 0;