From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932646Ab2BJWmn (ORCPT ); Fri, 10 Feb 2012 17:42:43 -0500 Received: from mail-pw0-f46.google.com ([209.85.160.46]:42369 "EHLO mail-pw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932593Ab2BJWmi (ORCPT ); Fri, 10 Feb 2012 17:42:38 -0500 MIME-Version: 1.0 Message-Id: <20120210222950.271076046@clark.kroah.org> User-Agent: quilt/0.51-15.1 Date: Fri, 10 Feb 2012 14:30:18 -0800 From: Greg KH To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: torvalds@linux-foundation.org, akpm@linux-foundation.org, alan@lxorguk.ukuu.org.uk, Mark Brown Subject: [patch 59/86] ASoC: wm8994: Enabling VMID should take a runtime PM reference In-Reply-To: <20120210223514.GA24190@kroah.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 3.2-stable review patch. If anyone has any objections, please let me know. ------------------ From: Mark Brown commit db966f8abb9ba74f7d5a7230f51572f52c31c4e5 upstream. We can enable VMID independently of the bias in some use cases so we need to ensure that the core device is powered up. Signed-off-by: Mark Brown Signed-off-by: Greg Kroah-Hartman --- sound/soc/codecs/wm8994.c | 4 ++++ 1 file changed, 4 insertions(+) --- a/sound/soc/codecs/wm8994.c +++ b/sound/soc/codecs/wm8994.c @@ -729,6 +729,8 @@ static void vmid_reference(struct snd_so { struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec); + pm_runtime_get_sync(codec->dev); + wm8994->vmid_refcount++; dev_dbg(codec->dev, "Referencing VMID, refcount is now %d\n", @@ -796,6 +798,8 @@ static void vmid_dereference(struct snd_ WM8994_VMID_BUF_ENA | WM8994_VMID_RAMP_MASK, 0); } + + pm_runtime_put(codec->dev); } static int vmid_event(struct snd_soc_dapm_widget *w,