| Message ID | 1383732985-18928-9-git-send-email-lee.jones@linaro.org |
|---|---|
| State | Accepted |
| Commit | a894bd7fb539d671149fea9420c94c0fbe6baf7a |
| Headers | show
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[92.233.57.238]) by mx.google.com with ESMTPSA id ka1sm13308397igb.7.2013.11.06.02.16.59 for <multiple recipients> (version=TLSv1.1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Wed, 06 Nov 2013 02:17:01 -0800 (PST) From: Lee Jones <lee.jones@linaro.org> To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: linus.walleij@linaro.org, Lee Jones <lee.jones@linaro.org>, alsa-devel@alsa-project.org, Mark Brown <broonie@kernel.org> Subject: [PATCH 08/13] ASoC: generic-dmaengine-pcm: Clear slave_config memory Date: Wed, 6 Nov 2013 10:16:20 +0000 Message-Id: <1383732985-18928-9-git-send-email-lee.jones@linaro.org> X-Mailer: git-send-email 1.8.1.2 In-Reply-To: <1383732985-18928-1-git-send-email-lee.jones@linaro.org> References: <1383732985-18928-1-git-send-email-lee.jones@linaro.org> X-Removed-Original-Auth: Dkim didn't pass. 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diff --git a/sound/soc/soc-generic-dmaengine-pcm.c b/sound/soc/soc-generic-dmaengine-pcm.c index ee07903..6ad4c7a 100644 --- a/sound/soc/soc-generic-dmaengine-pcm.c +++ b/sound/soc/soc-generic-dmaengine-pcm.c @@ -90,6 +90,8 @@ static int dmaengine_pcm_hw_params(struct snd_pcm_substream *substream, struct dma_slave_config slave_config; int ret; + memset(&slave_config, 0, sizeof(slave_config)); + if (!pcm->config) prepare_slave_config = snd_dmaengine_pcm_prepare_slave_config; else
We currently assume that the DMA Slave Config will be fully populated by the platform, however some DMA Engines make decisions based on zero (default) flags such as DMA_SLAVE_BUSWIDTH_UNDEFINED and as this is a static declaration we need to memset it to clear the data area. Cc: alsa-devel@alsa-project.org Cc: Mark Brown <broonie@kernel.org> Signed-off-by: Lee Jones <lee.jones@linaro.org> --- sound/soc/soc-generic-dmaengine-pcm.c | 2 ++ 1 file changed, 2 insertions(+)