349 + rockchip,bclk-fs = <128>; 350 + #sound-dai-cells = <0>; 351 + }; 352 + 353 + &i2s1 { 354 + #sound-dai-cells = <0>; 355 + status = "okay"; 356 + }; 357 + 358 + &iep { 359 + status = "okay"; 360 + }; 361 + 362 + &iep_mmu {...
snd-soc-rockchip-i2s-objs := rockchip_i2s.o 它表示将当前目录下的rockchip_i2s.o文件编译成一个snd-soc-rockchip-i2s.o。 1.1.3 支持rt5651驱动 要想将sound/soc/codecs/rt5651.c文件对应的驱动编译到内核,我们需要配置CONFIG_SND_SOC_RT5651,我们定位到sound/soc/codecs/文件; snd-soc-rt5651-objs...
LTSSM is 0x0 [ 4.778595] rockchip-i2s-tdm fddf0000.i2s: CLK-ALWAYS-ON: mclk: 12288000, bclk: 3072000, fsync: 48000 [ 4.779909] rockchip-i2s-tdm fddf4000.i2s: CLK-ALWAYS-ON: mclk: 12288000, bclk: 3072000, fsync: 48000 [ 4.782683] mmc2: SDHCI controller on fe2e0000.mmc [fe2e0000...
i2s_bclk是协调数据线上的数据传输(一个时钟周期，主控、音频编解码芯片从音频线取一bit音频数据)i2s_...
Priority:5 extents:1 across: 1048572k SSFS [ 11.830433] zram0: detected capacity change from 0 to 52428800 [ 12.195891] random: crng init done [ 12.196241] random: 7 urandom warning(s) missed due to ratelimiting [ 12.401922] EXT4-fs (zram0): mounted filesystem without journal. Opts: ...
bclk_div = 1; else if (bclk_fs <= 128) bclk_div = 0; else { nau8825_sema_release(nau8825); return -EINVAL; } else goto error; regmap_update_bits(nau8825->regmap, NAU8825_REG_I2S_PCM_CTRL2, NAU8825_I2S_LRC_DIV_MASK | NAU8825_I2S_BLK_DIV_MASK, ((bclk_div + 1) <<...
#ifdef CONFIG_DEBUG_FSstructdentry *debugfs_card_root;#endif#ifdef CONFIG_PM_SLEEPstructwork_struct deferred_resume_work;#endifu32 pop_time;/*bit field*/unsignedintinstantiated:1; unsignedinttopology_shortname_created:1; unsignedintfully_routed:1; ...