diff options
author | Ingo Molnar <mingo@kernel.org> | 2014-05-07 15:15:46 +0400 |
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committer | Ingo Molnar <mingo@kernel.org> | 2014-05-07 15:15:46 +0400 |
commit | 2fe5de9ce7d57498abc14b375cad2fcf8c3ee6cc (patch) | |
tree | 9478e8cf470c1d5bdb2d89b57a7e35919ab95e72 /drivers/video/fbdev/via/via_aux_ch7301.c | |
parent | 08f8aeb55d7727d644dbbbbfb798fe937d47751d (diff) | |
parent | 2b4cfe64dee0d84506b951d81bf55d9891744d25 (diff) | |
download | linux-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.c | 50 |
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); +} |