x86: mrst: Add audio driver bindings

This patch adds the sound card bindings for Moorestown (pmic_audio) and
the Medfield platform (msic_audio) as IPC devices. This ensures they will be
created at the right time.

Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
LKML-Reference: <20101110174044.11340.78008.stgit@localhost.localdomain>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 7 insertions, 0 deletions

diff --git a/arch/x86/platform/mrst/mrst.c b/arch/x86/platform/mrst/mrst.c
index 42a0351f302c..237e28f0c122 100644
--- a/arch/x86/platform/mrst/mrst.c
+++ b/arch/x86/platform/mrst/mrst.c
@@ -499,6 +499,11 @@ static void __init *lis331dl_platform_data(void *info)
         return &intr2nd_pdata;
 }
 
+static void __init *no_platform_data(void *info)
+{
+        return NULL;
+}
+
 static const struct devs_id __initconst device_ids[] = {
         {"pmic_gpio", SFI_DEV_TYPE_SPI, 1, &pmic_gpio_platform_data},
         {"spi_max3111", SFI_DEV_TYPE_SPI, 0, &max3111_platform_data},
@@ -506,6 +511,8 @@ static const struct devs_id __initconst device_ids[] = {
         {"i2c_max7315_2", SFI_DEV_TYPE_I2C, 1, &max7315_platform_data},
         {"emc1403", SFI_DEV_TYPE_I2C, 1, &emc1403_platform_data},
         {"i2c_accel", SFI_DEV_TYPE_I2C, 0, &lis331dl_platform_data},
+        {"pmic_audio", SFI_DEV_TYPE_IPC, 1, &no_platform_data},
+        {"msic_audio", SFI_DEV_TYPE_IPC, 1, &no_platform_data},
         {},
 };