diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/801-audio-0029-MLK-15960-1-ASoC-fsl_sai-update-fifo_depth-for-diffe.patch')
| -rw-r--r-- | target/linux/layerscape/patches-5.4/801-audio-0029-MLK-15960-1-ASoC-fsl_sai-update-fifo_depth-for-diffe.patch | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-5.4/801-audio-0029-MLK-15960-1-ASoC-fsl_sai-update-fifo_depth-for-diffe.patch b/target/linux/layerscape/patches-5.4/801-audio-0029-MLK-15960-1-ASoC-fsl_sai-update-fifo_depth-for-diffe.patch new file mode 100644 index 0000000000..d2a7955cae --- /dev/null +++ b/target/linux/layerscape/patches-5.4/801-audio-0029-MLK-15960-1-ASoC-fsl_sai-update-fifo_depth-for-diffe.patch @@ -0,0 +1,51 @@ +From 1640daf71d5230997e9b75a550d3800bede298db Mon Sep 17 00:00:00 2001 +From: Shengjiu Wang <shengjiu.wang@freescale.com> +Date: Wed, 12 Jul 2017 18:19:25 +0800 +Subject: [PATCH] MLK-15960-1: ASoC: fsl_sai: update fifo_depth for different + platform + +The fifo_depth is changed to 64 in imx8qm/imx8qxp, in imx8mq, the +fifo_depth is 128. which is mentioned in their ADD. + +Signed-off-by: Shengjiu Wang <shengjiu.wang@freescale.com> +--- + sound/soc/fsl/fsl_sai.c | 14 ++++++++------ + 1 file changed, 8 insertions(+), 6 deletions(-) + +--- a/sound/soc/fsl/fsl_sai.c ++++ b/sound/soc/fsl/fsl_sai.c +@@ -72,7 +72,7 @@ static struct fsl_sai_soc_data fsl_sai_i + .imx = true, + .dataline = 0xff, + .fifos = 8, +- .fifo_depth = 32, ++ .fifo_depth = 128, + .flags = 0, + .reg_offset = 8, + .constrain_period_size = false, +@@ -82,7 +82,7 @@ static struct fsl_sai_soc_data fsl_sai_i + .imx = true, + .dataline = 0x3, + .fifos = 1, +- .fifo_depth = 32, ++ .fifo_depth = 64, + .flags = 0, + .reg_offset = 0, + .constrain_period_size = true, +@@ -759,10 +759,12 @@ static int fsl_sai_dai_probe(struct snd_ + regmap_write(sai->regmap, FSL_SAI_TCSR(offset), 0); + regmap_write(sai->regmap, FSL_SAI_RCSR(offset), 0); + +- regmap_update_bits(sai->regmap, FSL_SAI_TCR1(offset), FSL_SAI_CR1_RFW_MASK, +- sai->soc->fifo_depth - FSL_SAI_MAXBURST_TX); +- regmap_update_bits(sai->regmap, FSL_SAI_RCR1(offset), FSL_SAI_CR1_RFW_MASK, +- FSL_SAI_MAXBURST_RX - 1); ++ regmap_update_bits(sai->regmap, FSL_SAI_TCR1(offset), ++ sai->soc->fifo_depth - 1, ++ sai->soc->fifo_depth - FSL_SAI_MAXBURST_TX); ++ regmap_update_bits(sai->regmap, FSL_SAI_RCR1(offset), ++ sai->soc->fifo_depth - 1, ++ FSL_SAI_MAXBURST_RX - 1); + + snd_soc_dai_init_dma_data(cpu_dai, &sai->dma_params_tx, + &sai->dma_params_rx); |