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author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2022-11-03 20:16:30 -0700 |
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committer | Helge Deller <deller@gmx.de> | 2022-12-14 20:01:48 +0100 |
commit | 257030d4ee7c76892e9a4e5bf94f8c0fc41c6e46 (patch) | |
tree | 5152f59070f612f5c5108ba790c40052bd6192ee /drivers | |
parent | 28f24e90ffc4bf2199c91783b98dfc71de1e3a2f (diff) | |
download | linux-stable-257030d4ee7c76892e9a4e5bf94f8c0fc41c6e46.tar.gz linux-stable-257030d4ee7c76892e9a4e5bf94f8c0fc41c6e46.tar.bz2 linux-stable-257030d4ee7c76892e9a4e5bf94f8c0fc41c6e46.zip |
fbdev: omapfb: connector-hdmi: switch to using gpiod API
Switch the driver from legacy gpio API that is deprecated to the newer
gpiod API that respects line polarities described in ACPI/DT.
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Helge Deller <deller@gmx.de>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/video/fbdev/omap2/omapfb/displays/connector-hdmi.c | 49 |
1 files changed, 14 insertions, 35 deletions
diff --git a/drivers/video/fbdev/omap2/omapfb/displays/connector-hdmi.c b/drivers/video/fbdev/omap2/omapfb/displays/connector-hdmi.c index 670b9c6eb5a9..8f9ff9fb4ca4 100644 --- a/drivers/video/fbdev/omap2/omapfb/displays/connector-hdmi.c +++ b/drivers/video/fbdev/omap2/omapfb/displays/connector-hdmi.c @@ -6,11 +6,12 @@ * Author: Tomi Valkeinen <tomi.valkeinen@ti.com> */ +#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> @@ -41,7 +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) @@ -155,8 +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); } @@ -197,31 +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; @@ -238,15 +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; |