summaryrefslogtreecommitdiff
path: root/drivers/video/fbdev/via/via_aux_ch7301.c
diff options
context:
space:
mode:
authorIngo Molnar <mingo@kernel.org>2014-05-07 15:15:46 +0400
committerIngo Molnar <mingo@kernel.org>2014-05-07 15:15:46 +0400
commit2fe5de9ce7d57498abc14b375cad2fcf8c3ee6cc (patch)
tree9478e8cf470c1d5bdb2d89b57a7e35919ab95e72 /drivers/video/fbdev/via/via_aux_ch7301.c
parent08f8aeb55d7727d644dbbbbfb798fe937d47751d (diff)
parent2b4cfe64dee0d84506b951d81bf55d9891744d25 (diff)
downloadlinux-2fe5de9ce7d57498abc14b375cad2fcf8c3ee6cc.tar.xz
Merge branch 'sched/urgent' into sched/core, to avoid conflicts
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/video/fbdev/via/via_aux_ch7301.c')
-rw-r--r--drivers/video/fbdev/via/via_aux_ch7301.c50
1 files changed, 50 insertions, 0 deletions
diff --git a/drivers/video/fbdev/via/via_aux_ch7301.c b/drivers/video/fbdev/via/via_aux_ch7301.c
new file mode 100644
index 000000000000..1cbe5037a6b0
--- /dev/null
+++ b/drivers/video/fbdev/via/via_aux_ch7301.c
@@ -0,0 +1,50 @@
+/*
+ * Copyright 2011 Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation;
+ * either version 2, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTIES OR REPRESENTATIONS; without even
+ * the implied warranty of MERCHANTABILITY or FITNESS FOR
+ * A PARTICULAR PURPOSE.See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc.,
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+/*
+ * driver for Chrontel CH7301 DVI Transmitter
+ */
+
+#include <linux/slab.h>
+#include "via_aux.h"
+
+
+static const char *name = "CH7301 DVI Transmitter";
+
+
+static void probe(struct via_aux_bus *bus, u8 addr)
+{
+ struct via_aux_drv drv = {
+ .bus = bus,
+ .addr = addr,
+ .name = name};
+ u8 tmp;
+
+ if (!via_aux_read(&drv, 0x4B, &tmp, 1) || tmp != 0x17)
+ return;
+
+ printk(KERN_INFO "viafb: Found %s at address 0x%x\n", name, addr);
+ via_aux_add(&drv);
+}
+
+void via_aux_ch7301_probe(struct via_aux_bus *bus)
+{
+ probe(bus, 0x75);
+ probe(bus, 0x76);
+}