layerscape: add patches-5.4

[openwrt/staging/wigyori.git] / target / linux / layerscape / patches-5.4 / 801-audio-0044-MLK-17528-3-ASoC-fsl_sai-Set-clock-rate-in-set_syscl.patch

diff --git a/target/linux/layerscape/patches-5.4/801-audio-0044-MLK-17528-3-ASoC-fsl_sai-Set-clock-rate-in-set_syscl.patch b/target/linux/layerscape/patches-5.4/801-audio-0044-MLK-17528-3-ASoC-fsl_sai-Set-clock-rate-in-set_syscl.patch
new file mode 100644 (file)
index 0000000..da3ec8d
--- /dev/null
+++ b/target/linux/layerscape/patches-5.4/801-audio-0044-MLK-17528-3-ASoC-fsl_sai-Set-clock-rate-in-set_syscl.patch
@@ -0,0 +1,44 @@
+From 0d9bc2f22dc418c4573ded86278e55f97d029dca Mon Sep 17 00:00:00 2001
+From: Viorel Suman <viorel.suman@nxp.com>
+Date: Fri, 9 Feb 2018 11:39:58 +0200
+Subject: [PATCH] MLK-17528-3: ASoC: fsl_sai: Set clock rate in "set_sysclk"
+ API
+
+Set the requested clock rate in "set_sysclk" for specified clock id.
+
+Signed-off-by: Viorel Suman <viorel.suman@nxp.com>
+Suggested-by: Shengjiu Wang <shengjiu.wang@nxp.com>
+Reviewed-by: Shengjiu Wang <shengjiu.wang@nxp.com>
+Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com>
+---
+ sound/soc/fsl/fsl_sai.c | 19 +++++++++++++++++++
+ 1 file changed, 19 insertions(+)
+
+--- a/sound/soc/fsl/fsl_sai.c
++++ b/sound/soc/fsl/fsl_sai.c
+@@ -245,6 +245,25 @@ static int fsl_sai_set_dai_sysclk(struct
+               return 0;
+       }
+ 
++      if (freq > 0) {
++              if (clk_id < 0 || clk_id >= FSL_SAI_MCLK_MAX) {
++                      dev_err(cpu_dai->dev, "Unknown clock id: %d\n", clk_id);
++                      return -EINVAL;
++              }
++
++              if (IS_ERR_OR_NULL(sai->mclk_clk[clk_id])) {
++                      dev_err(cpu_dai->dev, "Unassigned clock: %d\n", clk_id);
++                      return -EINVAL;
++              }
++
++              ret = clk_set_rate(sai->mclk_clk[clk_id], freq);
++              if (ret < 0) {
++                      dev_err(cpu_dai->dev, "failed to set clock rate (%u): %d\n",
++                                      freq, ret);
++                      return ret;
++              }
++      }
++
+       ret = fsl_sai_set_dai_sysclk_tr(cpu_dai, clk_id, freq,
+                                       FSL_FMT_TRANSMITTER);
+       if (ret) {