diff options
| author | Detlev Casanova <detlev.casanova@collabora.com> | 2026-02-18 15:18:34 -0500 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2026-02-19 11:45:49 +0000 |
| commit | 0783052534f547f8f201dd4554b1df9f1f8615b5 (patch) | |
| tree | 28a80616cce1b866030a43d49d816951797f3dfd /sound | |
| parent | 80ca113671a005430207d351cb403c1637106212 (diff) | |
ASoC: rockchip: i2s-tdm: Use param rate if not provided by set_sysclk
Drivers will not always call set_sysclk() for all clocks, especially when
default mclk-fs can be used.
When that is the case, use the clock rate set in the params multiplied by the
default mclk-fs.
Fixes: 5323186e2e8d ("ASoC: rockchip: i2s_tdm: Re-add the set_sysclk callback")
Signed-off-by: Detlev Casanova <detlev.casanova@collabora.com>
Reported-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
Link: https://patch.msgid.link/20260218201834.924358-1-detlev.casanova@collabora.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound')
| -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; |