ASoC: meson: aiu: encoder-spdif: implement the .mute_stream callback (154dd417) · Commits · 戴 / test

sound/soc/meson/aiu-encoder-spdif.c

+21 −0

Original line number	Diff line number	Diff line
		@@ -19,6 +19,8 @@
		#define AIU_958_MISC_U_FROM_STREAM BIT(12)
		#define AIU_958_MISC_FORCE_LR BIT(13)
		#define AIU_958_CTRL_HOLD_EN BIT(0)
		#define AIU_958_CTRL_MUTE_RIGHT_SPEAKER BIT(3)
		#define AIU_958_CTRL_MUTE_LEFT_SPEAKER BIT(4)
		#define AIU_CLK_CTRL_958_DIV_EN BIT(1)
		#define AIU_CLK_CTRL_958_DIV GENMASK(5, 4)
		#define AIU_CLK_CTRL_958_DIV_MORE BIT(12)
		@@ -200,10 +202,29 @@ static void aiu_encoder_spdif_shutdown(struct snd_pcm_substream *substream,
		clk_bulk_disable_unprepare(aiu->spdif.clk_num, aiu->spdif.clks);
		}

		static int aiu_encoder_spdif_mute_stream(struct snd_soc_dai *dai, int mute,
		int stream)
		{
		struct snd_soc_component *component = dai->component;
		u32 value = 0;

		if (mute)
		value = AIU_958_CTRL_MUTE_RIGHT_SPEAKER \|
		AIU_958_CTRL_MUTE_LEFT_SPEAKER;

		snd_soc_component_update_bits(component, AIU_958_CTRL,
		AIU_958_CTRL_MUTE_RIGHT_SPEAKER \|
		AIU_958_CTRL_MUTE_LEFT_SPEAKER,
		value);

		return 0;
		}

		const struct snd_soc_dai_ops aiu_encoder_spdif_dai_ops = {
		.trigger = aiu_encoder_spdif_trigger,
		.hw_params = aiu_encoder_spdif_hw_params,
		.hw_free = aiu_encoder_spdif_hw_free,
		.startup = aiu_encoder_spdif_startup,
		.shutdown = aiu_encoder_spdif_shutdown,
		.mute_stream = aiu_encoder_spdif_mute_stream,
		};