Subject: [PATCH 059/104] OMAP: DMIC: Add omap_device for DMIC

Register DMIC device through omap device model.

Signed-off-by: David Lambert <dlambert@ti.com>
Signed-off-by: Misael Lopez Cruz <misael.lopez@ti.com>

1 files changed, 35 insertions, 0 deletions

diff --git a/arch/arm/plat-omap/devices.c b/arch/arm/plat-omap/devices.c
index 2afeda91643..53c6bb1de58 100644
--- a/arch/arm/plat-omap/devices.c
+++ b/arch/arm/plat-omap/devices.c
@@ -75,6 +75,40 @@ void omap_mcbsp_register_board_cfg(struct resource *res, int res_count,
 
 /*-------------------------------------------------------------------------*/
 
+#if defined(CONFIG_SND_OMAP_SOC_DMIC) || \
+    defined(CONFIG_SND_OMAP_SOC_DMIC_MODULE)
+
+static struct omap_device_pm_latency omap_dmic_latency[] = {
+        {
+                .deactivate_func = omap_device_idle_hwmods,
+                .activate_func = omap_device_enable_hwmods,
+                .flags = OMAP_DEVICE_LATENCY_AUTO_ADJUST,
+        },
+};
+
+static void omap_init_dmic(void)
+{
+        struct omap_hwmod *oh;
+        struct omap_device *od;
+
+        oh = omap_hwmod_lookup("dmic");
+        if (!oh) {
+                printk(KERN_ERR "Could not look up dmic hw_mod\n");
+                return;
+        }
+
+        od = omap_device_build("omap-dmic-dai", -1, oh, NULL, 0,
+                                omap_dmic_latency,
+                                ARRAY_SIZE(omap_dmic_latency), 0);
+        if (IS_ERR(od))
+                printk(KERN_ERR "Could not build omap_device for omap-dmic-dai\n");
+}
+#else
+static inline void omap_init_dmic(void) {}
+#endif
+
+/*-------------------------------------------------------------------------*/
+
 #if defined(CONFIG_SND_OMAP_SOC_MCPDM) || \
                 defined(CONFIG_SND_OMAP_SOC_MCPDM_MODULE)
 
@@ -299,6 +333,7 @@ static int __init omap_init_devices(void)
          * in alphabetical order so they're easier to sort through.
          */
         omap_init_rng();
+        omap_init_dmic();
         omap_init_mcpdm();
         omap_init_uwire();
         return 0;