diff options
| -rw-r--r-- | sound/soc/rockchip/rockchip_i2s_tdm.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/sound/soc/rockchip/rockchip_i2s_tdm.c b/sound/soc/rockchip/rockchip_i2s_tdm.c index 770b9bfbb384..fc52149ed6ae 100644 --- a/sound/soc/rockchip/rockchip_i2s_tdm.c +++ b/sound/soc/rockchip/rockchip_i2s_tdm.c @@ -22,6 +22,7 @@ #define DRV_NAME "rockchip-i2s-tdm" +#define DEFAULT_MCLK_FS 256 #define CH_GRP_MAX 4 /* The max channel 8 / 2 */ #define MULTIPLEX_CH_MAX 10 @@ -665,6 +666,15 @@ static int rockchip_i2s_tdm_hw_params(struct snd_pcm_substream *substream, mclk_rate = i2s_tdm->mclk_rx_freq; } + /* + * When the dai/component driver doesn't need to set mclk-fs for a specific + * clock, it can skip the call to set_sysclk() for that clock. + * In that case, simply use the clock rate from the params and multiply it by + * the default mclk-fs value. + */ + if (!mclk_rate) + mclk_rate = DEFAULT_MCLK_FS * params_rate(params); + err = clk_set_rate(mclk, mclk_rate); if (err) return err; |