[alsa-devel] [PATCH 09/11] ASoC: AMD: Fix clocks in CZ DA7219 machine driver

Daniel Kurtz djkurtz at chromium.org
Sun Apr 29 23:51:48 CEST 2018


On Thu, Apr 26, 2018 at 5:17 AM Vijendar Mukunda <Vijendar.Mukunda at amd.com>
wrote:

> From: Akshu Agrawal <akshu.agrawal at amd.com>

> System clock on the platform is 25Mhz and not 24Mhz.

> PLL_OUT for da7219 codec to use DA7219_PLL_FREQ_OUT_98304
> as it is for 48KHz SR.

> Signed-off-by: Akshu Agrawal <akshu.agrawal at amd.com>
> Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda at amd.com>

Reviewed-by: Daniel Kurtz <djkurtz at chromium.org>

> ---
>   sound/soc/amd/acp-da7219-max98357a.c | 5 ++---
>   1 file changed, 2 insertions(+), 3 deletions(-)

> diff --git a/sound/soc/amd/acp-da7219-max98357a.c
b/sound/soc/amd/acp-da7219-max98357a.c
> index 6495eed..fa5ad5b 100644
> --- a/sound/soc/amd/acp-da7219-max98357a.c
> +++ b/sound/soc/amd/acp-da7219-max98357a.c
> @@ -39,8 +39,7 @@
>   #include "../codecs/da7219.h"
>   #include "../codecs/da7219-aad.h"

> -#define CZ_PLAT_CLK 24000000
> -#define MCLK_RATE 24576000
> +#define CZ_PLAT_CLK 25000000
>   #define DUAL_CHANNEL           2

>   static struct snd_soc_jack cz_jack;
> @@ -63,7 +62,7 @@ static int cz_da7219_init(struct snd_soc_pcm_runtime
*rtd)
>          }

>          ret = snd_soc_dai_set_pll(codec_dai, 0, DA7219_SYSCLK_PLL,
> -                                 CZ_PLAT_CLK, MCLK_RATE);
> +                                 CZ_PLAT_CLK, DA7219_PLL_FREQ_OUT_98304);
>          if (ret < 0) {
>                  dev_err(rtd->dev, "can't set codec pll: %d\n", ret);
>                  return ret;
> --
> 2.7.4


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