On Sat, Oct 13, 2018 at 09:53:22AM -0700, Vasily Khoruzhick wrote:
BCLK / LRCK ratio should be sample size * channels, but it was hardcoded to 32 (0x1 is 32 as per A33 and A64 datasheets).
Calculate it basing on sample size and number of channels.
Signed-off-by: Vasily Khoruzhick anarsoul@gmail.com
sound/soc/sunxi/sun8i-codec.c | 35 ++++++++++++++++++++++++++++++----- 1 file changed, 30 insertions(+), 5 deletions(-)
diff --git a/sound/soc/sunxi/sun8i-codec.c b/sound/soc/sunxi/sun8i-codec.c index fb37dd927e33..e681e194ad4c 100644 --- a/sound/soc/sunxi/sun8i-codec.c +++ b/sound/soc/sunxi/sun8i-codec.c @@ -52,7 +52,6 @@ #define SUN8I_AIF1CLK_CTRL_AIF1_LRCK_INV 13 #define SUN8I_AIF1CLK_CTRL_AIF1_BCLK_DIV 9 #define SUN8I_AIF1CLK_CTRL_AIF1_LRCK_DIV 6 -#define SUN8I_AIF1CLK_CTRL_AIF1_LRCK_DIV_16 (1 << 6) #define SUN8I_AIF1CLK_CTRL_AIF1_WORD_SIZ 4 #define SUN8I_AIF1CLK_CTRL_AIF1_WORD_SIZ_16 (1 << 4) #define SUN8I_AIF1CLK_CTRL_AIF1_DATA_FMT 2 @@ -257,8 +256,8 @@ static int sun8i_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) }
struct sun8i_codec_clk_div {
- u8 div;
- u8 val;
- unsigned int div;
- u8 val;
};
static const struct sun8i_codec_clk_div sun8i_codec_bclk_div[] = { @@ -300,12 +299,33 @@ static u8 sun8i_codec_get_bclk_div(struct sun8i_codec *scodec, return best_val; }
+static const struct sun8i_codec_clk_div sun8i_codec_lrck_div[] = {
- { .div = 16, .val = 0 },
- { .div = 32, .val = 1 },
- { .div = 64, .val = 2 },
- { .div = 128, .val = 3 },
- { .div = 256, .val = 4 },
+};
That's log2(div) - 4, right? There's no need to store the table if so.
Maxime