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path: root/drivers/video/fbdev/omap2/omapfb/displays/connector-hdmi.c
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Diffstat (limited to 'drivers/video/fbdev/omap2/omapfb/displays/connector-hdmi.c')
-rw-r--r--drivers/video/fbdev/omap2/omapfb/displays/connector-hdmi.c68
1 files changed, 18 insertions, 50 deletions
diff --git a/drivers/video/fbdev/omap2/omapfb/displays/connector-hdmi.c b/drivers/video/fbdev/omap2/omapfb/displays/connector-hdmi.c
index 58d5803ede67..e3df731172e8 100644
--- a/drivers/video/fbdev/omap2/omapfb/displays/connector-hdmi.c
+++ b/drivers/video/fbdev/omap2/omapfb/displays/connector-hdmi.c
@@ -1,19 +1,17 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* HDMI Connector driver
*
* Copyright (C) 2013 Texas Instruments
* Author: Tomi Valkeinen <tomi.valkeinen@ti.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
*/
+#include <linux/err.h>
+#include <linux/gpio/consumer.h>
#include <linux/slab.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/of.h>
-#include <linux/of_gpio.h>
#include <drm/drm_edid.h>
@@ -44,7 +42,7 @@ struct panel_drv_data {
struct omap_video_timings timings;
- int hpd_gpio;
+ struct gpio_desc *hpd_gpio;
};
#define to_panel_data(x) container_of(x, struct panel_drv_data, dssdev)
@@ -53,18 +51,13 @@ static int hdmic_connect(struct omap_dss_device *dssdev)
{
struct panel_drv_data *ddata = to_panel_data(dssdev);
struct omap_dss_device *in = ddata->in;
- int r;
dev_dbg(ddata->dev, "connect\n");
if (omapdss_device_is_connected(dssdev))
return 0;
- r = in->ops.hdmi->connect(in, dssdev);
- if (r)
- return r;
-
- return 0;
+ return in->ops.hdmi->connect(in, dssdev);
}
static void hdmic_disconnect(struct omap_dss_device *dssdev)
@@ -163,8 +156,8 @@ static bool hdmic_detect(struct omap_dss_device *dssdev)
struct panel_drv_data *ddata = to_panel_data(dssdev);
struct omap_dss_device *in = ddata->in;
- if (gpio_is_valid(ddata->hpd_gpio))
- return gpio_get_value_cansleep(ddata->hpd_gpio);
+ if (ddata->hpd_gpio)
+ return gpiod_get_value_cansleep(ddata->hpd_gpio);
else
return in->ops.hdmi->detect(in);
}
@@ -205,31 +198,6 @@ static struct omap_dss_driver hdmic_driver = {
.set_hdmi_infoframe = hdmic_set_infoframe,
};
-static int hdmic_probe_of(struct platform_device *pdev)
-{
- struct panel_drv_data *ddata = platform_get_drvdata(pdev);
- struct device_node *node = pdev->dev.of_node;
- struct omap_dss_device *in;
- int gpio;
-
- /* HPD GPIO */
- gpio = of_get_named_gpio(node, "hpd-gpios", 0);
- if (gpio_is_valid(gpio))
- ddata->hpd_gpio = gpio;
- else
- ddata->hpd_gpio = -ENODEV;
-
- in = omapdss_of_find_source_for_first_ep(node);
- if (IS_ERR(in)) {
- dev_err(&pdev->dev, "failed to find video source\n");
- return PTR_ERR(in);
- }
-
- ddata->in = in;
-
- return 0;
-}
-
static int hdmic_probe(struct platform_device *pdev)
{
struct panel_drv_data *ddata;
@@ -246,15 +214,18 @@ static int hdmic_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, ddata);
ddata->dev = &pdev->dev;
- r = hdmic_probe_of(pdev);
+ ddata->hpd_gpio = devm_gpiod_get_optional(&pdev->dev, "hpd", GPIOD_IN);
+ r = PTR_ERR_OR_ZERO(ddata->hpd_gpio);
if (r)
return r;
- if (gpio_is_valid(ddata->hpd_gpio)) {
- r = devm_gpio_request_one(&pdev->dev, ddata->hpd_gpio,
- GPIOF_DIR_IN, "hdmi_hpd");
- if (r)
- goto err_reg;
+ gpiod_set_consumer_name(ddata->hpd_gpio, "hdmi_hpd");
+
+ ddata->in = omapdss_of_find_source_for_first_ep(pdev->dev.of_node);
+ r = PTR_ERR_OR_ZERO(ddata->in);
+ if (r) {
+ dev_err(&pdev->dev, "failed to find video source\n");
+ return r;
}
ddata->timings = hdmic_default_timings;
@@ -278,7 +249,7 @@ err_reg:
return r;
}
-static int __exit hdmic_remove(struct platform_device *pdev)
+static void hdmic_remove(struct platform_device *pdev)
{
struct panel_drv_data *ddata = platform_get_drvdata(pdev);
struct omap_dss_device *dssdev = &ddata->dssdev;
@@ -290,8 +261,6 @@ static int __exit hdmic_remove(struct platform_device *pdev)
hdmic_disconnect(dssdev);
omap_dss_put_device(in);
-
- return 0;
}
static const struct of_device_id hdmic_of_match[] = {
@@ -303,11 +272,10 @@ MODULE_DEVICE_TABLE(of, hdmic_of_match);
static struct platform_driver hdmi_connector_driver = {
.probe = hdmic_probe,
- .remove = __exit_p(hdmic_remove),
+ .remove = hdmic_remove,
.driver = {
.name = "connector-hdmi",
.of_match_table = hdmic_of_match,
- .suppress_bind_attrs = true,
},
};