From mboxrd@z Thu Jan 1 00:00:00 1970 From: Srinivas Kandagatla Subject: [PATCH v1 05/14] ASoC: qcom: ipq806x: add error in dma allocation. Date: Wed, 10 Feb 2016 10:18:53 +0000 Message-ID: <1455099533-532-1-git-send-email-srinivas.kandagatla@linaro.org> References: <1455099418-311-1-git-send-email-srinivas.kandagatla@linaro.org> Return-path: In-Reply-To: <1455099418-311-1-git-send-email-srinivas.kandagatla@linaro.org> Sender: linux-kernel-owner@vger.kernel.org To: Patrick Lai , alsa-devel@alsa-project.org, Mark Brown Cc: Banajit Goswami , Liam Girdwood , Jaroslav Kysela , Takashi Iwai , linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, kwestfie@codeaurora.org, Srinivas Kandagatla List-Id: linux-arm-msm@vger.kernel.org ipq806x is only ever tested for playback so return error in dma allocation if the stream direction is capture. Signed-off-by: Srinivas Kandagatla --- sound/soc/qcom/lpass-ipq806x.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/sound/soc/qcom/lpass-ipq806x.c b/sound/soc/qcom/lpass-ipq806x.c index 119048c..29a3529 100644 --- a/sound/soc/qcom/lpass-ipq806x.c +++ b/sound/soc/qcom/lpass-ipq806x.c @@ -65,7 +65,10 @@ static struct snd_soc_dai_driver ipq806x_lpass_cpu_dai_driver = { static int ipq806x_lpass_alloc_dma_channel(struct lpass_data *drvdata, int dir) { - return IPQ806X_LPAIF_RDMA_CHAN_MI2S; + if (dir == SNDRV_PCM_STREAM_PLAYBACK) + return IPQ806X_LPAIF_RDMA_CHAN_MI2S; + else /* Capture currently not implemented */ + return -EINVAL; } static int ipq806x_lpass_free_dma_channel(struct lpass_data *drvdata, int chan) -- 1.9.1