From: "Mylène Josserand" <mylene.josserand@free-electrons.com> To: robh+dt@kernel.org, mark.rutland@arm.com, linux@armlinux.org.uk, maxime.ripard@free-electrons.com, wens@csie.org, dmitry.torokhov@gmail.com, linux-input@vger.kernel.org Cc: simon.budig@kernelconcepts.de, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, mylene.josserand@free-electrons.com, thomas.petazzoni@free-electrons.com Subject: [PATCH 4/5] Input: edt-ft5x06 - Add support for regulator Date: Fri, 8 Dec 2017 22:54:18 +0100 [thread overview] Message-ID: <20171208215419.30396-5-mylene.josserand@free-electrons.com> (raw) In-Reply-To: <20171208215419.30396-1-mylene.josserand@free-electrons.com> Add the support of regulator to use them as VCC source. Signed-off-by: Mylène Josserand <mylene.josserand@free-electrons.com> --- drivers/input/touchscreen/edt-ft5x06.c | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) diff --git a/drivers/input/touchscreen/edt-ft5x06.c b/drivers/input/touchscreen/edt-ft5x06.c index c53a3d7239e7..44b0e04a8f35 100644 --- a/drivers/input/touchscreen/edt-ft5x06.c +++ b/drivers/input/touchscreen/edt-ft5x06.c @@ -39,6 +39,7 @@ #include <linux/input/mt.h> #include <linux/input/touchscreen.h> #include <linux/of_device.h> +#include <linux/regulator/consumer.h> #define WORK_REGISTER_THRESHOLD 0x00 #define WORK_REGISTER_REPORT_RATE 0x08 @@ -91,6 +92,7 @@ struct edt_ft5x06_ts_data { struct touchscreen_properties prop; u16 num_x; u16 num_y; + struct regulator *supply; struct gpio_desc *reset_gpio; struct gpio_desc *wake_gpio; @@ -993,6 +995,23 @@ static int edt_ft5x06_ts_probe(struct i2c_client *client, tsdata->max_support_points = chip_data->max_support_points; + tsdata->supply = devm_regulator_get_optional(&client->dev, "power"); + if (IS_ERR(tsdata->supply)) { + error = PTR_ERR(tsdata->supply); + dev_err(&client->dev, "failed to request regulator: %d\n", + error); + return error; + }; + + if (tsdata->supply) { + error = regulator_enable(tsdata->supply); + if (error < 0) { + dev_err(&client->dev, "failed to enable supply: %d\n", + error); + return error; + } + } + tsdata->reset_gpio = devm_gpiod_get_optional(&client->dev, "reset", GPIOD_OUT_HIGH); if (IS_ERR(tsdata->reset_gpio)) { @@ -1122,20 +1141,34 @@ static int edt_ft5x06_ts_remove(struct i2c_client *client) static int __maybe_unused edt_ft5x06_ts_suspend(struct device *dev) { struct i2c_client *client = to_i2c_client(dev); + struct edt_ft5x06_ts_data *tsdata = i2c_get_clientdata(client); if (device_may_wakeup(dev)) enable_irq_wake(client->irq); + if (tsdata->supply) + regulator_disable(tsdata->supply); + return 0; } static int __maybe_unused edt_ft5x06_ts_resume(struct device *dev) { struct i2c_client *client = to_i2c_client(dev); + struct edt_ft5x06_ts_data *tsdata = i2c_get_clientdata(client); + int ret; if (device_may_wakeup(dev)) disable_irq_wake(client->irq); + if (tsdata->supply) { + ret = regulator_enable(tsdata->supply); + if (ret < 0) { + dev_err(dev, "failed to enable supply: %d\n", ret); + return ret; + } + } + return 0; } -- 2.11.0
WARNING: multiple messages have this Message-ID (diff)
From: mylene.josserand@free-electrons.com (Mylène Josserand) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH 4/5] Input: edt-ft5x06 - Add support for regulator Date: Fri, 8 Dec 2017 22:54:18 +0100 [thread overview] Message-ID: <20171208215419.30396-5-mylene.josserand@free-electrons.com> (raw) In-Reply-To: <20171208215419.30396-1-mylene.josserand@free-electrons.com> Add the support of regulator to use them as VCC source. Signed-off-by: Myl?ne Josserand <mylene.josserand@free-electrons.com> --- drivers/input/touchscreen/edt-ft5x06.c | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) diff --git a/drivers/input/touchscreen/edt-ft5x06.c b/drivers/input/touchscreen/edt-ft5x06.c index c53a3d7239e7..44b0e04a8f35 100644 --- a/drivers/input/touchscreen/edt-ft5x06.c +++ b/drivers/input/touchscreen/edt-ft5x06.c @@ -39,6 +39,7 @@ #include <linux/input/mt.h> #include <linux/input/touchscreen.h> #include <linux/of_device.h> +#include <linux/regulator/consumer.h> #define WORK_REGISTER_THRESHOLD 0x00 #define WORK_REGISTER_REPORT_RATE 0x08 @@ -91,6 +92,7 @@ struct edt_ft5x06_ts_data { struct touchscreen_properties prop; u16 num_x; u16 num_y; + struct regulator *supply; struct gpio_desc *reset_gpio; struct gpio_desc *wake_gpio; @@ -993,6 +995,23 @@ static int edt_ft5x06_ts_probe(struct i2c_client *client, tsdata->max_support_points = chip_data->max_support_points; + tsdata->supply = devm_regulator_get_optional(&client->dev, "power"); + if (IS_ERR(tsdata->supply)) { + error = PTR_ERR(tsdata->supply); + dev_err(&client->dev, "failed to request regulator: %d\n", + error); + return error; + }; + + if (tsdata->supply) { + error = regulator_enable(tsdata->supply); + if (error < 0) { + dev_err(&client->dev, "failed to enable supply: %d\n", + error); + return error; + } + } + tsdata->reset_gpio = devm_gpiod_get_optional(&client->dev, "reset", GPIOD_OUT_HIGH); if (IS_ERR(tsdata->reset_gpio)) { @@ -1122,20 +1141,34 @@ static int edt_ft5x06_ts_remove(struct i2c_client *client) static int __maybe_unused edt_ft5x06_ts_suspend(struct device *dev) { struct i2c_client *client = to_i2c_client(dev); + struct edt_ft5x06_ts_data *tsdata = i2c_get_clientdata(client); if (device_may_wakeup(dev)) enable_irq_wake(client->irq); + if (tsdata->supply) + regulator_disable(tsdata->supply); + return 0; } static int __maybe_unused edt_ft5x06_ts_resume(struct device *dev) { struct i2c_client *client = to_i2c_client(dev); + struct edt_ft5x06_ts_data *tsdata = i2c_get_clientdata(client); + int ret; if (device_may_wakeup(dev)) disable_irq_wake(client->irq); + if (tsdata->supply) { + ret = regulator_enable(tsdata->supply); + if (ret < 0) { + dev_err(dev, "failed to enable supply: %d\n", ret); + return ret; + } + } + return 0; } -- 2.11.0
next prev parent reply other threads:[~2017-12-08 21:55 UTC|newest] Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top 2017-12-08 21:54 [PATCH 0/5] sun8i-a83t: Add touchscreen support on TBS A711 Mylène Josserand 2017-12-08 21:54 ` Mylène Josserand 2017-12-08 21:54 ` Mylène Josserand 2017-12-08 21:54 ` [PATCH 1/5] arm: dts: sun8i: a83t: Add I2C0 node Mylène Josserand 2017-12-08 21:54 ` Mylène Josserand 2017-12-11 7:15 ` Maxime Ripard 2017-12-11 7:15 ` Maxime Ripard 2017-12-11 7:15 ` Maxime Ripard 2017-12-11 8:31 ` Chen-Yu Tsai 2017-12-11 8:31 ` Chen-Yu Tsai 2017-12-11 8:31 ` Chen-Yu Tsai 2017-12-08 21:54 ` [PATCH 2/5] arm: dts: sun8i: a83t: Add I2C0 pins group Mylène Josserand 2017-12-08 21:54 ` Mylène Josserand 2017-12-08 21:54 ` [PATCH 3/5] arm: dts: sun8i: a83t: a711: Enable I2C0 Mylène Josserand 2017-12-08 21:54 ` Mylène Josserand 2017-12-08 21:54 ` Mylène Josserand 2017-12-11 7:18 ` Maxime Ripard 2017-12-11 7:18 ` Maxime Ripard 2017-12-08 21:54 ` Mylène Josserand [this message] 2017-12-08 21:54 ` [PATCH 4/5] Input: edt-ft5x06 - Add support for regulator Mylène Josserand 2017-12-09 1:16 ` Dmitry Torokhov 2017-12-09 1:16 ` Dmitry Torokhov 2017-12-09 1:16 ` Dmitry Torokhov 2017-12-09 1:24 ` Dmitry Torokhov 2017-12-09 1:24 ` Dmitry Torokhov 2017-12-08 21:54 ` [PATCH 5/5] arm: dts: sun8i: a83t: a711: Add touchscreen node Mylène Josserand 2017-12-08 21:54 ` Mylène Josserand 2017-12-11 7:16 ` Maxime Ripard 2017-12-11 7:16 ` Maxime Ripard 2017-12-11 7:16 ` Maxime Ripard 2017-12-08 22:01 ` [PATCH 0/5] sun8i-a83t: Add touchscreen support on TBS A711 Mylene JOSSERAND 2017-12-08 22:01 ` Mylene JOSSERAND 2017-12-08 22:01 ` Mylene JOSSERAND
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=20171208215419.30396-5-mylene.josserand@free-electrons.com \ --to=mylene.josserand@free-electrons.com \ --cc=devicetree@vger.kernel.org \ --cc=dmitry.torokhov@gmail.com \ --cc=linux-arm-kernel@lists.infradead.org \ --cc=linux-input@vger.kernel.org \ --cc=linux-kernel@vger.kernel.org \ --cc=linux@armlinux.org.uk \ --cc=mark.rutland@arm.com \ --cc=maxime.ripard@free-electrons.com \ --cc=robh+dt@kernel.org \ --cc=simon.budig@kernelconcepts.de \ --cc=thomas.petazzoni@free-electrons.com \ --cc=wens@csie.org \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.