Re: [PATCH] simple-panel: add regulator support

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Ignore this patch. I forgot the signed-off-by.

On Sun, Jan 26, 2025 at 10:44:28PM +0100, Michael Grzeschik wrote:
---
drivers/video/simple-panel.c | 10 ++++++++++
1 file changed, 10 insertions(+)

diff --git a/drivers/video/simple-panel.c b/drivers/video/simple-panel.c
index 7048e2f51b..d4c6874987 100644
--- a/drivers/video/simple-panel.c
+++ b/drivers/video/simple-panel.c
@@ -10,6 +10,7 @@
#include <linux/err.h>
#include <of.h>
#include <fb.h>
+#include <regulator.h>
#include <gpio.h>
#include <of_gpio.h>
#include <video/backlight.h>
@@ -25,6 +26,7 @@ struct simple_panel {
	struct device_node *backlight_node;
	struct backlight_device *backlight;
	struct device_node *ddc_node;
+	struct regulator *power;
	int enable_delay;
};

@@ -49,6 +51,8 @@ static int simple_panel_enable(struct simple_panel *panel)
	if (panel->enable_delay)
		mdelay(panel->enable_delay);

+	regulator_enable(panel->power);
+
	if (panel->backlight) {
		ret = backlight_set_brightness_default(panel->backlight);
		if (ret)
@@ -65,6 +69,8 @@ static int simple_panel_disable(struct simple_panel *panel)
	if (panel->backlight)
		backlight_set_brightness(panel->backlight, 0);

+	regulator_disable(panel->power);
+
	if (gpio_is_valid(panel->enable_gpio))
		gpio_direction_output(panel->enable_gpio,
			!panel->enable_active_high);
@@ -154,6 +160,10 @@ static int simple_panel_probe(struct device *dev)

	panel->backlight_node = of_parse_phandle(node, "backlight", 0);

+	panel->power = regulator_get(dev, "power");
+	if (IS_ERR(panel->power))
+		dev_warn(dev, "Cannot find regulator\n");
+
	ret = vpl_register(&panel->vpl);
	if (ret)
		return ret;
--
2.39.5




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