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Mon, 07 Apr 2025 00:19:12 -0700 (PDT) From: Bartosz Golaszewski Date: Mon, 07 Apr 2025 09:19:10 +0200 Subject: [PATCH 1/3] Input: ad7879 - use new GPIO line value setter callbacks Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250407-gpiochip-set-rv-input-v1-1-a8b45b18e79c@linaro.org> References: <20250407-gpiochip-set-rv-input-v1-0-a8b45b18e79c@linaro.org> In-Reply-To: <20250407-gpiochip-set-rv-input-v1-0-a8b45b18e79c@linaro.org> To: Michael Hennerich , Dmitry Torokhov , Linus Walleij , Bartosz Golaszewski Cc: linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, Bartosz Golaszewski X-Mailer: b4 0.14.1 X-Developer-Signature: v=1; a=openpgp-sha256; l=1714; i=bartosz.golaszewski@linaro.org; h=from:subject:message-id; bh=foyELHbizbcWk/j9r8xiniRZm26jVuqeFRwl7mGDslU=; b=owEBbQKS/ZANAwAKARGnLqAUcddyAcsmYgBn83xvMsVuyrAN8UuFJvWiCgwJIhVanOjs5RyNU f6v6R7ldHKJAjMEAAEKAB0WIQQWnetsC8PEYBPSx58Rpy6gFHHXcgUCZ/N8bwAKCRARpy6gFHHX cjBhEADJTqfjnpnZK+R+cF6dWcfSD6GmueJNC9Q1SYVFVHW+TQvc3mi2GfaIHJIqqkmrqMSa7VV LWzNtodZD6j9I49JZvliGWrbph/MS2MniyULfTw/GMwmhPwZYpi9g5+4cwopCvfPbMUouldhvUO cp8vdggCPeBpOaWx/AmYIEeSB/Oy8RofO4vsuvh5/elW3GueigH8vQlas2CQYBndd0kk8OEgdZY e4/wFB5pNg5mKqxB7byMuFhmkDtdSEHWP+O1H5+66MQVXNJU/Iy++0DvU1fQJZumxIZxQPIFXCb k9yOgd6MtU4N3gcM5dtjsIt+BIVmmn+VDbGrlIvJrk6AmyD0JdtgwDITtnWE5BQTCLkbDtZXM8b q+B+ct9iHNr54/R3EPgziIWcCf7cW/FrGqWZE2g3gq/NVmo42KTfZxcY6L6BfW+N6QlI2UtiThG 62dx7KHW75jBQTWMU1nC6IX+5KC4S6XtY881B8phngJLNcmh3c9itLogh95f229if6u/ktqZIBK Mh9Tx8iQMLEyFE383FA6SQQYC2gghSl7zYDqqw5QZmdGbjpEaufAfPbZmRQC9a8pwGE/Dbf8Y1D W+9NBHCzUnLCeJtFZlh9Li4FwhHBoRNA1DbM1nJwK+1Br8ruCTsUWJ0mSgmUTC0INmrSfQsN5F6 wJFGm3Ml2SPjJdg== X-Developer-Key: i=bartosz.golaszewski@linaro.org; a=openpgp; fpr=169DEB6C0BC3C46013D2C79F11A72EA01471D772 From: Bartosz Golaszewski struct gpio_chip now has callbacks for setting line values that return an integer, allowing to indicate failures. Convert the driver to using them. Signed-off-by: Bartosz Golaszewski --- drivers/input/touchscreen/ad7879.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/drivers/input/touchscreen/ad7879.c b/drivers/input/touchscreen= /ad7879.c index f661e199b63c..12fc39f9e784 100644 --- a/drivers/input/touchscreen/ad7879.c +++ b/drivers/input/touchscreen/ad7879.c @@ -444,10 +444,11 @@ static int ad7879_gpio_get_value(struct gpio_chip *ch= ip, unsigned gpio) return !!(val & AD7879_GPIO_DATA); } =20 -static void ad7879_gpio_set_value(struct gpio_chip *chip, - unsigned gpio, int value) +static int ad7879_gpio_set_value(struct gpio_chip *chip, unsigned int gpio, + int value) { struct ad7879 *ts =3D gpiochip_get_data(chip); + int ret; =20 mutex_lock(&ts->mutex); if (value) @@ -455,8 +456,10 @@ static void ad7879_gpio_set_value(struct gpio_chip *ch= ip, else ts->cmd_crtl2 &=3D ~AD7879_GPIO_DATA; =20 - ad7879_write(ts, AD7879_REG_CTRL2, ts->cmd_crtl2); + ret =3D ad7879_write(ts, AD7879_REG_CTRL2, ts->cmd_crtl2); mutex_unlock(&ts->mutex); + + return ret; } =20 static int ad7879_gpio_add(struct ad7879 *ts) @@ -472,7 +475,7 @@ static int ad7879_gpio_add(struct ad7879 *ts) ts->gc.direction_input =3D ad7879_gpio_direction_input; ts->gc.direction_output =3D ad7879_gpio_direction_output; ts->gc.get =3D ad7879_gpio_get_value; - ts->gc.set =3D ad7879_gpio_set_value; + ts->gc.set_rv =3D ad7879_gpio_set_value; ts->gc.can_sleep =3D 1; ts->gc.base =3D -1; ts->gc.ngpio =3D 1; --=20 2.45.2