From: Javier Achirica <[email protected]>
Signed-off-by: Javier Achirica <[email protected]>
Signed-off-by: Mattia Dongili <[email protected]>
---
drivers/platform/x86/sony-laptop.c | 59 ++++++++++++++++++++++++++++++++++++++
1 file changed, 59 insertions(+)
diff --git a/drivers/platform/x86/sony-laptop.c
b/drivers/platform/x86/sony-laptop.c
index de17390..d1f712e 100644
--- a/drivers/platform/x86/sony-laptop.c
+++ b/drivers/platform/x86/sony-laptop.c
@@ -164,6 +164,9 @@ static int __sony_nc_gfx_switch_status_get(void);
static int sony_nc_highspeed_charging_setup(struct platform_device *pd);
static void sony_nc_highspeed_charging_cleanup(struct platform_device *pd);
+static int sony_nc_panelid_setup(struct platform_device *pd);
+static void sony_nc_panelid_cleanup(struct platform_device *pd);
+
static int sony_nc_touchpad_setup(struct platform_device *pd,
unsigned int handle);
static void sony_nc_touchpad_cleanup(struct platform_device *pd);
@@ -1385,6 +1388,12 @@ static void sony_nc_function_setup(struct acpi_device
*device,
pr_err("couldn't set up keyboard backlight
function (%d)\n",
result);
break;
+ case 0x011D:
+ result = sony_nc_panelid_setup(pf_device);
+ if (result)
+ pr_err("couldn't set up panel ID function
(%d)\n",
+ result);
+ break;
default:
continue;
}
@@ -1449,6 +1458,9 @@ static void sony_nc_function_cleanup(struct
platform_device *pd)
case 0x0163:
sony_nc_kbd_backlight_cleanup(pd, handle);
break;
+ case 0x011D:
+ sony_nc_panelid_cleanup(pd);
+ break;
default:
continue;
}
@@ -2540,6 +2552,53 @@ static void sony_nc_highspeed_charging_cleanup(struct
platform_device *pd)
}
}
+/* Panel ID function */
+static struct device_attribute *panel_handle;
+
+static ssize_t sony_nc_panelid_show(struct device *dev,
+ struct device_attribute *attr, char *buffer)
+{
+ unsigned int result;
+
+ if (sony_call_snc_handle(0x011D, 0x0000, &result))
+ return -EIO;
+
+ return snprintf(buffer, PAGE_SIZE, "%d\n", result);
+}
+
+static int sony_nc_panelid_setup(struct platform_device *pd)
+{
+ unsigned int result;
+
+ panel_handle = kzalloc(sizeof(struct device_attribute), GFP_KERNEL);
+ if (!panel_handle)
+ return -ENOMEM;
+
+ sysfs_attr_init(&panel_handle->attr);
+ panel_handle->attr.name = "panel_id";
+ panel_handle->attr.mode = S_IRUGO;
+ panel_handle->show = sony_nc_panelid_show;
+ panel_handle->store = NULL;
+
+ result = device_create_file(&pd->dev, panel_handle);
+ if (result) {
+ kfree(panel_handle);
+ panel_handle = NULL;
+ return result;
+ }
+
+ return 0;
+}
+
+static void sony_nc_panelid_cleanup(struct platform_device *pd)
+{
+ if (panel_handle) {
+ device_remove_file(&pd->dev, panel_handle);
+ kfree(panel_handle);
+ panel_handle = NULL;
+ }
+}
+
/* Touchpad enable/disable */
struct touchpad_control {
struct device_attribute attr;
--
1.9.0
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