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authorJerome Brunet <jbrunet@baylibre.com>2020-07-29 18:44:53 +0300
committerMark Brown <broonie@kernel.org>2020-07-30 21:44:59 +0300
commit6878ba91ce84f7a07887a0615af70f969508839f (patch)
treeed8775e9c3490311d66e1c996fe3b098b0413ed7
parentdc5fb6d2e8dff0dd61c9b55508c46e73a67e9ea8 (diff)
downloadlinux-6878ba91ce84f7a07887a0615af70f969508839f.tar.xz
ASoC: meson: axg-tdm-interface: fix link fmt setup
The .set_fmt() callback of the axg tdm interface incorrectly test the content of SND_SOC_DAIFMT_MASTER_MASK as if it was a bitfield, which it is not. Implement the test correctly. Fixes: d60e4f1e4be5 ("ASoC: meson: add tdm interface driver") Signed-off-by: Jerome Brunet <jbrunet@baylibre.com> Link: https://lore.kernel.org/r/20200729154456.1983396-2-jbrunet@baylibre.com Signed-off-by: Mark Brown <broonie@kernel.org>
-rw-r--r--sound/soc/meson/axg-tdm-interface.c26
1 files changed, 17 insertions, 9 deletions
diff --git a/sound/soc/meson/axg-tdm-interface.c b/sound/soc/meson/axg-tdm-interface.c
index 6de27238e9df..36df30915378 100644
--- a/sound/soc/meson/axg-tdm-interface.c
+++ b/sound/soc/meson/axg-tdm-interface.c
@@ -119,18 +119,25 @@ static int axg_tdm_iface_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
{
struct axg_tdm_iface *iface = snd_soc_dai_get_drvdata(dai);
- /* These modes are not supported */
- if (fmt & (SND_SOC_DAIFMT_CBS_CFM | SND_SOC_DAIFMT_CBM_CFS)) {
+ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+ case SND_SOC_DAIFMT_CBS_CFS:
+ if (!iface->mclk) {
+ dev_err(dai->dev, "cpu clock master: mclk missing\n");
+ return -ENODEV;
+ }
+ break;
+
+ case SND_SOC_DAIFMT_CBM_CFM:
+ break;
+
+ case SND_SOC_DAIFMT_CBS_CFM:
+ case SND_SOC_DAIFMT_CBM_CFS:
dev_err(dai->dev, "only CBS_CFS and CBM_CFM are supported\n");
+ /* Fall-through */
+ default:
return -EINVAL;
}
- /* If the TDM interface is the clock master, it requires mclk */
- if (!iface->mclk && (fmt & SND_SOC_DAIFMT_CBS_CFS)) {
- dev_err(dai->dev, "cpu clock master: mclk missing\n");
- return -ENODEV;
- }
-
iface->fmt = fmt;
return 0;
}
@@ -319,7 +326,8 @@ static int axg_tdm_iface_hw_params(struct snd_pcm_substream *substream,
if (ret)
return ret;
- if (iface->fmt & SND_SOC_DAIFMT_CBS_CFS) {
+ if ((iface->fmt & SND_SOC_DAIFMT_MASTER_MASK) ==
+ SND_SOC_DAIFMT_CBS_CFS) {
ret = axg_tdm_iface_set_sclk(dai, params);
if (ret)
return ret;