| Message ID | 20200911173140.29984-2-miquel.raynal@bootlin.com (mailing list archive) |
|---|---|
| State | Accepted |
| Commit | 5b4458ebb4c8007dae7eaeb88cb52b2bb4879894 |
| Headers | show |
| Series | tlv320aic3xx4 updates | expand |
diff --git a/sound/soc/codecs/tlv320aic32x4-clk.c b/sound/soc/codecs/tlv320aic32x4-clk.c index 156c153c12ab..2f78e6820c75 100644 --- a/sound/soc/codecs/tlv320aic32x4-clk.c +++ b/sound/soc/codecs/tlv320aic32x4-clk.c @@ -230,7 +230,14 @@ static int clk_aic32x4_pll_set_rate(struct clk_hw *hw, if (ret < 0) return -EINVAL; - return clk_aic32x4_pll_set_muldiv(pll, &settings); + ret = clk_aic32x4_pll_set_muldiv(pll, &settings); + if (ret) + return ret; + + /* 10ms is the delay to wait before the clocks are stable */ + msleep(10); + + return 0; } static int clk_aic32x4_pll_set_parent(struct clk_hw *hw, u8 index)
As indicated in the datasheet, a 10ms delay must be observed after programming the divisors. The lack of delay prevents the codec to work properly and the playback appears extremely slow and totally un-audible on a custom sama5 based board. Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> --- sound/soc/codecs/tlv320aic32x4-clk.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-)