From mboxrd@z Thu Jan 1 00:00:00 1970 From: Robert Jarzmik Date: Fri, 06 Oct 2017 19:58:24 +0000 Subject: [PATCH 2/3] backlight: tdo24m: add the reset line gpio Message-Id: <20171006195826.27500-2-robert.jarzmik@free.fr> List-Id: References: <20171006195826.27500-1-robert.jarzmik@free.fr> In-Reply-To: <20171006195826.27500-1-robert.jarzmik@free.fr> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Lee Jones , Daniel Thompson , Jingoo Han , Bartlomiej Zolnierkiewicz Cc: linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org, Robert Jarzmik The Toppoly panels have a global reset line. Add an optional gpio control for this line, for platforms which have the ability to drive it. Signed-off-by: Robert Jarzmik --- drivers/video/backlight/tdo24m.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/video/backlight/tdo24m.c b/drivers/video/backlight/tdo24m.c index e4bd63e9db6b..e4b2dfabf192 100644 --- a/drivers/video/backlight/tdo24m.c +++ b/drivers/video/backlight/tdo24m.c @@ -10,6 +10,7 @@ */ #include +#include #include #include #include @@ -32,6 +33,7 @@ struct tdo24m { struct spi_message msg; struct spi_transfer xfer; uint8_t *buf; + struct gpio_desc *xres; int (*adj_mode)(struct tdo24m *lcd, int mode); int color_invert; @@ -364,6 +366,7 @@ static int tdo24m_probe(struct spi_device *spi) if (lcd->buf = NULL) return -ENOMEM; + lcd->xres = devm_gpiod_get(&spi->dev, "reset", GPIOD_OUT_LOW); m = &lcd->msg; x = &lcd->xfer; -- 2.11.0