From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Lambert Subject: [PATCH v3 3/4] OMAP4: DMIC: initializes the DMIC driver Date: Tue, 25 Jan 2011 16:01:01 -0600 Message-ID: <1295992862-6154-4-git-send-email-dlambert@ti.com> References: <1295992862-6154-1-git-send-email-dlambert@ti.com> Return-path: Received: from devils.ext.ti.com ([198.47.26.153]:59221 "EHLO devils.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753779Ab1AYWBg (ORCPT ); Tue, 25 Jan 2011 17:01:36 -0500 In-Reply-To: <1295992862-6154-1-git-send-email-dlambert@ti.com> Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: alsa-devel@alsa-project.org, linux-omap@vger.kernel.org Cc: Tony Lindgren , Paul Walmsley , Mark Brown , Liam Girdwood , David Lambert This code is used to read the HWMOD database and initialize the DMIC driver. Signed-off-by: David Lambert --- arch/arm/plat-omap/devices.c | 35 +++++++++++++++++++++++++++++++++++ 1 files changed, 35 insertions(+), 0 deletions(-) diff --git a/arch/arm/plat-omap/devices.c b/arch/arm/plat-omap/devices.c index fc81912..b347f75 100644 --- a/arch/arm/plat-omap/devices.c +++ b/arch/arm/plat-omap/devices.c @@ -72,6 +72,40 @@ void omap_mcbsp_register_board_cfg(struct omap_mcbsp_platform_data *config, /*-------------------------------------------------------------------------*/ +#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("omap-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) @@ -328,6 +362,7 @@ static int __init omap_init_devices(void) /* please keep these calls, and their implementations above, * in alphabetical order so they're easier to sort through. */ + omap_init_dmic(); omap_init_rng(); omap_init_mcpdm(); omap_init_uwire(); -- 1.7.0.4