From 2f7c68cb55ecb7331f2381deb497c27155f32faf Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 03 Jan 2024 09:43:39 +0000
Subject: [PATCH] update kernel to 5.10.198
---
kernel/drivers/gpu/drm/drm_mipi_dsi.c | 54 +++++++++++++++++++++++++++++++++++++++++++++++++++++-
1 files changed, 53 insertions(+), 1 deletions(-)
diff --git a/kernel/drivers/gpu/drm/drm_mipi_dsi.c b/kernel/drivers/gpu/drm/drm_mipi_dsi.c
index d95bf57..fddc041 100644
--- a/kernel/drivers/gpu/drm/drm_mipi_dsi.c
+++ b/kernel/drivers/gpu/drm/drm_mipi_dsi.c
@@ -221,7 +221,7 @@
return dsi;
}
- dsi->dev.of_node = info->node;
+ device_set_node(&dsi->dev, of_fwnode_handle(info->node));
dsi->channel = info->channel;
strlcpy(dsi->name, info->type, sizeof(dsi->name));
@@ -1144,6 +1144,58 @@
}
EXPORT_SYMBOL(mipi_dsi_dcs_get_display_brightness);
+/**
+ * mipi_dsi_dcs_set_display_brightness_large() - sets the 16-bit brightness value
+ * of the display
+ * @dsi: DSI peripheral device
+ * @brightness: brightness value
+ *
+ * Return: 0 on success or a negative error code on failure.
+ */
+int mipi_dsi_dcs_set_display_brightness_large(struct mipi_dsi_device *dsi,
+ u16 brightness)
+{
+ u8 payload[2] = { brightness >> 8, brightness & 0xff };
+ ssize_t err;
+
+ err = mipi_dsi_dcs_write(dsi, MIPI_DCS_SET_DISPLAY_BRIGHTNESS,
+ payload, sizeof(payload));
+ if (err < 0)
+ return err;
+
+ return 0;
+}
+EXPORT_SYMBOL(mipi_dsi_dcs_set_display_brightness_large);
+
+/**
+ * mipi_dsi_dcs_get_display_brightness_large() - gets the current 16-bit
+ * brightness value of the display
+ * @dsi: DSI peripheral device
+ * @brightness: brightness value
+ *
+ * Return: 0 on success or a negative error code on failure.
+ */
+int mipi_dsi_dcs_get_display_brightness_large(struct mipi_dsi_device *dsi,
+ u16 *brightness)
+{
+ u8 brightness_be[2];
+ ssize_t err;
+
+ err = mipi_dsi_dcs_read(dsi, MIPI_DCS_GET_DISPLAY_BRIGHTNESS,
+ brightness_be, sizeof(brightness_be));
+ if (err <= 0) {
+ if (err == 0)
+ err = -ENODATA;
+
+ return err;
+ }
+
+ *brightness = (brightness_be[0] << 8) | brightness_be[1];
+
+ return 0;
+}
+EXPORT_SYMBOL(mipi_dsi_dcs_get_display_brightness_large);
+
static int mipi_dsi_drv_probe(struct device *dev)
{
struct mipi_dsi_driver *drv = to_mipi_dsi_driver(dev->driver);
--
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