[PATCH v2 6/9] ASoC: amd: vangogh: Check Bit Clock rate before snd_soc_dai_set_pll

From: Lucas Tanure
Date: Fri Feb 17 2023 - 06:11:09 EST


Check bit clock is valid before setting it with snd_soc_dai_set_pll

Signed-off-by: Lucas Tanure <lucas.tanure@xxxxxxxxxxxxx>
---
sound/soc/amd/vangogh/acp5x-mach.c | 12 +++++++++---
1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/sound/soc/amd/vangogh/acp5x-mach.c b/sound/soc/amd/vangogh/acp5x-mach.c
index e7183d8ac3a2..c746605b63a1 100644
--- a/sound/soc/amd/vangogh/acp5x-mach.c
+++ b/sound/soc/amd/vangogh/acp5x-mach.c
@@ -119,13 +119,19 @@ static int acp5x_nau8821_hw_params(struct snd_pcm_substream *substream,
struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
struct snd_soc_card *card = rtd->card;
struct snd_soc_dai *dai = snd_soc_card_get_codec_dai(card, ACP5X_NUVOTON_CODEC_DAI);
- int ret;
+ int ret, bclk;

ret = snd_soc_dai_set_sysclk(dai, NAU8821_CLK_FLL_BLK, 0, SND_SOC_CLOCK_IN);
if (ret < 0)
dev_err(card->dev, "can't set FS clock %d\n", ret);
- ret = snd_soc_dai_set_pll(dai, 0, 0, snd_soc_params_to_bclk(params),
- params_rate(params) * 256);
+
+ bclk = snd_soc_params_to_bclk(params);
+ if (bclk < 0) {
+ dev_err(dai->dev, "Fail to get BCLK rate: %d\n", bclk);
+ return bclk;
+ }
+
+ ret = snd_soc_dai_set_pll(dai, 0, 0, bclk, params_rate(params) * 256);
if (ret < 0)
dev_err(card->dev, "can't set FLL: %d\n", ret);

--
2.39.2