On Mon, Feb 18, 2019 at 03:25:00PM +0000, Viorel Suman wrote:
> According to RM SPDIF STC SYSCLK_DF field is 9-bit wide, values
> being in 0..511 range. Use a proper type to handle sysclk_df.
>
> Signed-off-by: Viorel Suman <viorel.suman@xxxxxxx>
Acked-by: Nicolin Chen <nicoleotsuka@xxxxxxxxx>
> ---
> sound/soc/fsl/fsl_spdif.c | 10 ++++++----
> 1 file changed, 6 insertions(+), 4 deletions(-)
>
> diff --git a/sound/soc/fsl/fsl_spdif.c b/sound/soc/fsl/fsl_spdif.c
> index a26686e..4842e6d 100644
> --- a/sound/soc/fsl/fsl_spdif.c
> +++ b/sound/soc/fsl/fsl_spdif.c
> @@ -96,7 +96,7 @@ struct fsl_spdif_priv {
> bool dpll_locked;
> u32 txrate[SPDIF_TXRATE_MAX];
> u8 txclk_df[SPDIF_TXRATE_MAX];
> - u8 sysclk_df[SPDIF_TXRATE_MAX];
> + u16 sysclk_df[SPDIF_TXRATE_MAX];
> u8 txclk_src[SPDIF_TXRATE_MAX];
> u8 rxclk_src;
> struct clk *txclk[SPDIF_TXRATE_MAX];
> @@ -376,7 +376,8 @@ static int spdif_set_sample_rate(struct snd_pcm_substream *substream,
> struct platform_device *pdev = spdif_priv->pdev;
> unsigned long csfs = 0;
> u32 stc, mask, rate;
> - u8 clk, txclk_df, sysclk_df;
> + u16 sysclk_df;
> + u8 clk, txclk_df;
> int ret;
>
> switch (sample_rate) {
> @@ -1109,8 +1110,9 @@ static u32 fsl_spdif_txclk_caldiv(struct fsl_spdif_priv *spdif_priv,
> static const u32 rate[] = { 32000, 44100, 48000, 96000, 192000 };
> bool is_sysclk = clk_is_match(clk, spdif_priv->sysclk);
> u64 rate_ideal, rate_actual, sub;
> - u32 sysclk_dfmin, sysclk_dfmax;
> - u32 txclk_df, sysclk_df, arate;
> + u32 arate;
> + u16 sysclk_dfmin, sysclk_dfmax, sysclk_df;
> + u8 txclk_df;
>
> /* The sysclk has an extra divisor [2, 512] */
> sysclk_dfmin = is_sysclk ? 2 : 1;
> --
> 2.7.4
>
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