ALSA: ASoC: Check for machine type in GTA01 machine driver

Since there are now multiple OpenMoko platforms it is more important to
check that the machine driver is running on the correct system.  This
was orgininally generated as part of the initial GTA02 machine port.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>

diff --git a/sound/soc/s3c24xx/neo1973_wm8753.c b/sound/soc/s3c24xx/neo1973_wm8753.c
index 47ddcdedc3a4e92abf480cefecac5f0111d3581a..73a50e93a9a222e5296f9a0d5191f9756a275a64 100644 (file)
--- a/sound/soc/s3c24xx/neo1973_wm8753.c
+++ b/sound/soc/s3c24xx/neo1973_wm8753.c
@@ -24,6 +24,7 @@
 #include <sound/soc-dapm.h>
 #include <sound/tlv.h>
 
+#include <asm/mach-types.h>
 #include <asm/hardware/scoop.h>
 #include <mach/regs-clock.h>
 #include <mach/regs-gpio.h>
@@ -716,6 +717,12 @@ static int __init neo1973_init(void)
 
        DBG("Entered %s\n", __func__);
 
+       if (!machine_is_neo1973_gta01()) {
+               printk(KERN_INFO
+                       "Only GTA01 hardware supported by ASoC driver\n");
+               return -ENODEV;
+       }
+
        neo1973_snd_device = platform_device_alloc("soc-audio", -1);
        if (!neo1973_snd_device)
                return -ENOMEM;