2021-08-06 16:11:46

by Srinivas Kandagatla

[permalink] [raw]
Subject: Re: [PATCH v2] ASoC: qcom: apq8016_sbc: Add SEC_MI2S support



On 06/08/2021 12:41, Vincent Knecht wrote:
> This patch adds external codec support on secondary mi2s.
> It is used for headphones on some devices, eg. alcatel-idol347.
>
> Signed-off-by: Vincent Knecht <[email protected]>

Thanks for rework, LGTM.

Reviewed-by: Srinivas Kandagatla <[email protected]>

> ---
> v1->v2: thanks Srinivas for the review, and Stephan for guidance
> - Add _SEC suffix to defines to highlight usage for secondary mi2s
> - Clear TLMM_WS_OUT_SEL and TLMM_WS_EN_SEL fields before setting value
> ---
> sound/soc/qcom/apq8016_sbc.c | 17 +++++++++++++++++
> 1 file changed, 17 insertions(+)
>
> diff --git a/sound/soc/qcom/apq8016_sbc.c b/sound/soc/qcom/apq8016_sbc.c
> index 08a05f0ecad7..ba2a98268ee4 100644
> --- a/sound/soc/qcom/apq8016_sbc.c
> +++ b/sound/soc/qcom/apq8016_sbc.c
> @@ -30,6 +30,13 @@ struct apq8016_sbc_data {
> #define MIC_CTRL_QUA_WS_SLAVE_SEL_10 BIT(17)
> #define MIC_CTRL_TLMM_SCLK_EN BIT(1)
> #define SPKR_CTL_PRI_WS_SLAVE_SEL_11 (BIT(17) | BIT(16))
> +#define SPKR_CTL_TLMM_MCLK_EN BIT(1)
> +#define SPKR_CTL_TLMM_SCLK_EN BIT(2)
> +#define SPKR_CTL_TLMM_DATA1_EN BIT(3)
> +#define SPKR_CTL_TLMM_WS_OUT_SEL_MASK GENMASK(7, 6)
> +#define SPKR_CTL_TLMM_WS_OUT_SEL_SEC BIT(6)
> +#define SPKR_CTL_TLMM_WS_EN_SEL_MASK GENMASK(19, 18)
> +#define SPKR_CTL_TLMM_WS_EN_SEL_SEC BIT(18)
> #define DEFAULT_MCLK_RATE 9600000
>
> static int apq8016_sbc_dai_init(struct snd_soc_pcm_runtime *rtd)
> @@ -40,6 +47,7 @@ static int apq8016_sbc_dai_init(struct snd_soc_pcm_runtime *rtd)
> struct snd_soc_card *card = rtd->card;
> struct apq8016_sbc_data *pdata = snd_soc_card_get_drvdata(card);
> int i, rval;
> + u32 value;
>
> switch (cpu_dai->id) {
> case MI2S_PRIMARY:
> @@ -53,6 +61,15 @@ static int apq8016_sbc_dai_init(struct snd_soc_pcm_runtime *rtd)
> MIC_CTRL_TLMM_SCLK_EN,
> pdata->mic_iomux);
> break;
> + case MI2S_SECONDARY:
> + /* Clear TLMM_WS_OUT_SEL and TLMM_WS_EN_SEL fields */
> + value = readl(pdata->spkr_iomux) &
> + ~(SPKR_CTL_TLMM_WS_OUT_SEL_MASK | SPKR_CTL_TLMM_WS_EN_SEL_MASK);
> + /* Configure the Sec MI2S to TLMM */
> + writel(value | SPKR_CTL_TLMM_MCLK_EN | SPKR_CTL_TLMM_SCLK_EN |
> + SPKR_CTL_TLMM_DATA1_EN | SPKR_CTL_TLMM_WS_OUT_SEL_SEC |
> + SPKR_CTL_TLMM_WS_EN_SEL_SEC, pdata->spkr_iomux);
> + break;
> case MI2S_TERTIARY:
> writel(readl(pdata->mic_iomux) | MIC_CTRL_TER_WS_SLAVE_SEL |
> MIC_CTRL_TLMM_SCLK_EN,
>