diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/801-audio-0035-MLK-16929-1-ASoC-fsl_sai-add-bitclk_freq.patch')
| -rw-r--r-- | target/linux/layerscape/patches-5.4/801-audio-0035-MLK-16929-1-ASoC-fsl_sai-add-bitclk_freq.patch | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-5.4/801-audio-0035-MLK-16929-1-ASoC-fsl_sai-add-bitclk_freq.patch b/target/linux/layerscape/patches-5.4/801-audio-0035-MLK-16929-1-ASoC-fsl_sai-add-bitclk_freq.patch new file mode 100644 index 0000000000..72078d981d --- /dev/null +++ b/target/linux/layerscape/patches-5.4/801-audio-0035-MLK-16929-1-ASoC-fsl_sai-add-bitclk_freq.patch @@ -0,0 +1,55 @@ +From d40566a2e9aa3c40be313b1fba9d5435c58ffd79 Mon Sep 17 00:00:00 2001 +From: Shengjiu Wang <shengjiu.wang@nxp.com> +Date: Thu, 23 Nov 2017 13:32:13 +0800 +Subject: [PATCH] MLK-16929-1: ASoC: fsl_sai: add bitclk_freq + +Allow set SAI bit clock frequency trough snd_soc_dai_set_sysclk +function call on machine sound drivers. + +Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com> +Signed-off-by: Adrian Alonso <adrian.alonso@nxp.com> +--- + sound/soc/fsl/fsl_sai.c | 9 ++++++++- + sound/soc/fsl/fsl_sai.h | 1 + + 2 files changed, 9 insertions(+), 1 deletion(-) + +--- a/sound/soc/fsl/fsl_sai.c ++++ b/sound/soc/fsl/fsl_sai.c +@@ -233,11 +233,14 @@ static int fsl_sai_set_dai_sysclk_tr(str + static int fsl_sai_set_dai_sysclk(struct snd_soc_dai *cpu_dai, + int clk_id, unsigned int freq, int dir) + { ++ struct fsl_sai *sai = snd_soc_dai_get_drvdata(cpu_dai); + int ret; + + if (dir == SND_SOC_CLOCK_IN) + return 0; + ++ sai->bitclk_freq = freq; ++ + ret = fsl_sai_set_dai_sysclk_tr(cpu_dai, clk_id, freq, + FSL_FMT_TRANSMITTER); + if (ret) { +@@ -499,7 +502,11 @@ static int fsl_sai_hw_params(struct snd_ + slot_width = sai->slot_width; + + if (!sai->slave_mode[tx]) { +- ret = fsl_sai_set_bclk(cpu_dai, tx, ++ if (sai->bitclk_freq) ++ ret = fsl_sai_set_bclk(cpu_dai, tx, ++ sai->bitclk_freq); ++ else ++ ret = fsl_sai_set_bclk(cpu_dai, tx, + slots * slot_width * params_rate(params)); + if (ret) + return ret; +--- a/sound/soc/fsl/fsl_sai.h ++++ b/sound/soc/fsl/fsl_sai.h +@@ -181,6 +181,7 @@ struct fsl_sai { + unsigned int mclk_streams; + unsigned int slots; + unsigned int slot_width; ++ unsigned int bitclk_freq; + + struct snd_dmaengine_dai_dma_data dma_params_rx; + struct snd_dmaengine_dai_dma_data dma_params_tx; |