From: Chancel Liu <chancel.liu@nxp.com>
To: lgirdwood@gmail.com, broonie@kernel.org, perex@perex.cz,
tiwai@suse.com, alsa-devel@alsa-project.org,
linux-kernel@vger.kernel.org, robh+dt@kernel.org,
devicetree@vger.kernel.org, krzysztof.kozlowski+dt@linaro.org,
shengjiu.wang@gmail.com, Xiubo.Lee@gmail.com, festevam@gmail.com,
nicoleotsuka@gmail.com, linuxppc-dev@lists.ozlabs.org
Cc: Chancel Liu <chancel.liu@nxp.com>
Subject: [PATCH 3/3] ASoC: fsl_micfil: Add support when using eDMA
Date: Fri, 28 Oct 2022 16:27:50 +0800 [thread overview]
Message-ID: <20221028082750.991822-4-chancel.liu@nxp.com> (raw)
In-Reply-To: <20221028082750.991822-1-chancel.liu@nxp.com>
On i.MX93 platform MICFIL uses eDMA. The maxburst should be set to the
number of channels in eDMA multiple FIFO mode.
Signed-off-by: Chancel Liu <chancel.liu@nxp.com>
---
sound/soc/fsl/fsl_micfil.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/sound/soc/fsl/fsl_micfil.c b/sound/soc/fsl/fsl_micfil.c
index b8a9504441df..22e75c14cac4 100644
--- a/sound/soc/fsl/fsl_micfil.c
+++ b/sound/soc/fsl/fsl_micfil.c
@@ -63,6 +63,7 @@ struct fsl_micfil_soc_data {
unsigned int fifo_depth;
unsigned int dataline;
bool imx;
+ bool use_edma;
u64 formats;
};
@@ -88,6 +89,7 @@ static struct fsl_micfil_soc_data fsl_micfil_imx93 = {
.fifo_depth = 32,
.dataline = 0xf,
.formats = SNDRV_PCM_FMTBIT_S32_LE,
+ .use_edma = true,
};
static const struct of_device_id fsl_micfil_dt_ids[] = {
@@ -690,6 +692,8 @@ static int fsl_micfil_hw_params(struct snd_pcm_substream *substream,
micfil->sdmacfg.n_fifos_src = channels;
micfil->sdmacfg.sw_done = true;
micfil->dma_params_rx.maxburst = channels * MICFIL_DMA_MAXBURST_RX;
+ if (micfil->soc->use_edma)
+ micfil->dma_params_rx.maxburst = channels;
return 0;
}
--
2.25.1
next prev parent reply other threads:[~2022-10-28 8:28 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-28 8:27 [PATCH 0/3] Add support for MICFIL on i.MX93 platform Chancel Liu
2022-10-28 8:27 ` [PATCH 1/3] ASoC: dt-bindings: fsl,micfil: Add compatible string for " Chancel Liu
2022-10-31 17:17 ` Rob Herring
2022-10-28 8:27 ` [PATCH 2/3] ASoC: fsl_micfil: Add support " Chancel Liu
2022-10-28 8:27 ` Chancel Liu [this message]
2022-11-01 14:33 ` [PATCH 0/3] Add support for MICFIL on " Mark Brown
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