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85 lines
2.8 KiB
Diff
85 lines
2.8 KiB
Diff
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From a6e830cd652a086161f04b049c84283e0573881b Mon Sep 17 00:00:00 2001
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From: Bastien Nocera <hadess@hadess.net>
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Date: Wed, 15 Feb 2012 17:50:00 +0000
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Subject: [PATCH 3/3] linux: Detect docked docking stations correctly
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Instead of counting the number of graphics outputs, check
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all the devices the platform/dock_station subsystem that
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export a "dock_station" type.
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Based on patch by Armando Di Cianno <armando@goodship.net>
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https://bugs.freedesktop.org/show_bug.cgi?id=36818
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---
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src/linux/up-dock.c | 38 +++++++++++++++++++-------------------
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1 file changed, 19 insertions(+), 19 deletions(-)
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diff --git a/src/linux/up-dock.c b/src/linux/up-dock.c
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index f9a7c67..4fe904e 100644
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--- a/src/linux/up-dock.c
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+++ b/src/linux/up-dock.c
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@@ -46,22 +46,23 @@ G_DEFINE_TYPE (UpDock, up_dock, G_TYPE_OBJECT)
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* up_dock_device_check:
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**/
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static gboolean
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-up_dock_device_check (GUdevDevice *d)
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+up_dock_device_check (GUdevDevice *device)
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{
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- const gchar *status;
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- gboolean ret = FALSE;
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-
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- /* Get the boolean state from the kernel -- note that ideally
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- * the property value would be "1" or "true" but now it's
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- * set in stone as ABI. Urgh. */
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- status = g_udev_device_get_sysfs_attr (d, "status");
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- if (status == NULL)
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- goto out;
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- ret = (g_strcmp0 (status, "connected") == 0);
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- g_debug ("graphics device %s is %s",
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- g_udev_device_get_sysfs_path (d),
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- ret ? "on" : "off");
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-out:
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+ gint docked;
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+ gboolean ret;
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+
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+ /* Is it a docking station? */
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+ if (g_strcmp0 (g_udev_device_get_sysfs_attr (device, "dock_type"), "dock_station") != 0)
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+ return FALSE;
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+
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+ /* Get the boolean state from the kernel */
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+ if (g_udev_device_get_sysfs_attr (device, "docked") == NULL)
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+ return FALSE;
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+
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+ docked = g_udev_device_get_sysfs_attr_as_int (device, "docked");
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+ ret = (docked == 1);
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+ g_debug ("dock_station %s is %s", g_udev_device_get_sysfs_path (device), ret ? "docked" : "undocked");
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+
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return ret;
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}
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@@ -76,10 +77,9 @@ up_dock_refresh (UpDock *dock)
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GUdevDevice *native;
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guint count = 0;
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- /* the metric we're using here is that a machine is docked when
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- * there is more than one active output */
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+ /* check to see if there are any docking stations, and if they are docked */
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devices = g_udev_client_query_by_subsystem (dock->priv->gudev_client,
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- "drm");
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+ "platform/dock_station");
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for (l = devices; l != NULL; l = l->next) {
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native = l->data;
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count += up_dock_device_check (native);
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@@ -163,7 +163,7 @@ up_dock_uevent_signal_handler_cb (GUdevClient *client, const gchar *action,
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static void
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up_dock_init (UpDock *dock)
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{
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- const gchar *subsystems[] = { "drm", NULL};
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+ const gchar *subsystems[] = { "platform/dock_station", NULL};
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dock->priv = UP_DOCK_GET_PRIVATE (dock);
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dock->priv->gudev_client = g_udev_client_new (subsystems);
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g_signal_connect (dock->priv->gudev_client, "uevent",
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--
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2.6.4
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