From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Brown Subject: [PATCH 4/4] ASoC: wm8997: Use async writes Date: Thu, 12 Dec 2013 11:07:41 +0000 Message-ID: <1386846461-32325-4-git-send-email-broonie@kernel.org> References: <1386846461-32325-1-git-send-email-broonie@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from cassiel.sirena.org.uk (cassiel.sirena.org.uk [80.68.93.111]) by alsa0.perex.cz (Postfix) with ESMTP id C81552608D7 for ; Thu, 12 Dec 2013 12:07:50 +0100 (CET) In-Reply-To: <1386846461-32325-1-git-send-email-broonie@kernel.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org To: Liam Girdwood Cc: alsa-devel@alsa-project.org, patches@opensource.wolfsonmicro.com, Mark Brown List-Id: alsa-devel@alsa-project.org From: Mark Brown When writing the patch write to the device asynchronously, allowing better performance when used with a bus like SPI which supports this by minimising the need to context switch back to the driver to get the next bit of data. Signed-off-by: Mark Brown --- sound/soc/codecs/wm8997.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/sound/soc/codecs/wm8997.c b/sound/soc/codecs/wm8997.c index 1392bb3c9254..555115ee2159 100644 --- a/sound/soc/codecs/wm8997.c +++ b/sound/soc/codecs/wm8997.c @@ -103,8 +103,8 @@ static int wm8997_sysclk_ev(struct snd_soc_dapm_widget *w, case SND_SOC_DAPM_POST_PMU: if (patch) for (i = 0; i < patch_size; i++) - regmap_write(regmap, patch[i].reg, - patch[i].def); + regmap_write_async(regmap, patch[i].reg, + patch[i].def); break; default: break; -- 1.8.5.1