Merge remote-tracking branch 'asoc/topic/wm8731' into asoc-next (0b05a05d) · Commits · e / devices / android_kernel_oneplus_sm7250

sound/soc/codecs/wm8731.c

+57 −3

Original line number	Diff line number	Diff line
		@@ -45,6 +45,7 @@ static const char *wm8731_supply_names[WM8731_NUM_SUPPLIES] = {
		struct wm8731_priv {
		struct regmap *regmap;
		struct regulator_bulk_data supplies[WM8731_NUM_SUPPLIES];
		const struct snd_pcm_hw_constraint_list *constraints;
		unsigned int sysclk;
		int sysclk_type;
		int playback_fs;
		@@ -290,6 +291,36 @@ static const struct _coeff_div coeff_div[] = {
		{12000000, 88200, 136, 0xf, 0x1, 0x1},
		};

		/* rates constraints */
		static const unsigned int wm8731_rates_12000000[] = {
		8000, 32000, 44100, 48000, 96000, 88200,
		};

		static const unsigned int wm8731_rates_12288000_18432000[] = {
		8000, 32000, 48000, 96000,
		};

		static const unsigned int wm8731_rates_11289600_16934400[] = {
		8000, 44100, 88200,
		};

		static const struct snd_pcm_hw_constraint_list wm8731_constraints_12000000 = {
		.list = wm8731_rates_12000000,
		.count = ARRAY_SIZE(wm8731_rates_12000000),
		};

		static const
		struct snd_pcm_hw_constraint_list wm8731_constraints_12288000_18432000 = {
		.list = wm8731_rates_12288000_18432000,
		.count = ARRAY_SIZE(wm8731_rates_12288000_18432000),
		};

		static const
		struct snd_pcm_hw_constraint_list wm8731_constraints_11289600_16934400 = {
		.list = wm8731_rates_11289600_16934400,
		.count = ARRAY_SIZE(wm8731_rates_11289600_16934400),
		};

		static inline int get_coeff(int mclk, int rate)
		{
		int i;
		@@ -362,17 +393,26 @@ static int wm8731_set_dai_sysclk(struct snd_soc_dai *codec_dai,
		}

		switch (freq) {
		case 11289600:
		case 0:
		wm8731->constraints = NULL;
		break;
		case 12000000:
		wm8731->constraints = &wm8731_constraints_12000000;
		break;
		case 12288000:
		case 16934400:
		case 18432000:
		wm8731->sysclk = freq;
		wm8731->constraints = &wm8731_constraints_12288000_18432000;
		break;
		case 16934400:
		case 11289600:
		wm8731->constraints = &wm8731_constraints_11289600_16934400;
		break;
		default:
		return -EINVAL;
		}

		wm8731->sysclk = freq;

		snd_soc_dapm_sync(&codec->dapm);

		return 0;
		@@ -475,12 +515,26 @@ static int wm8731_set_bias_level(struct snd_soc_codec *codec,
		return 0;
		}

		static int wm8731_startup(struct snd_pcm_substream *substream,
		struct snd_soc_dai *dai)
		{
		struct wm8731_priv *wm8731 = snd_soc_codec_get_drvdata(dai->codec);

		if (wm8731->constraints)
		snd_pcm_hw_constraint_list(substream->runtime, 0,
		SNDRV_PCM_HW_PARAM_RATE,
		wm8731->constraints);

		return 0;
		}

		#define WM8731_RATES SNDRV_PCM_RATE_8000_96000

		#define WM8731_FORMATS (SNDRV_PCM_FMTBIT_S16_LE \| SNDRV_PCM_FMTBIT_S20_3LE \|\
		SNDRV_PCM_FMTBIT_S24_LE)

		static const struct snd_soc_dai_ops wm8731_dai_ops = {
		.startup = wm8731_startup,
		.hw_params = wm8731_hw_params,
		.digital_mute = wm8731_mute,
		.set_sysclk = wm8731_set_dai_sysclk,