Mark, On 2015?11?06? 00:13, Mark Brown wrote: > On Thu, Nov 05, 2015 at 05:53:13PM +0800, Shunqian Zheng wrote: > > This is basically all good, a few very minor comments below but nothing > that should take any time to fix. > >> +static const char *rk3036_codec_antipop_text[] = {"none", "work"}; >> +static const unsigned int rk3036_codec_antipop_values[] = {0x1, 0x2}; >> + >> +static SOC_VALUE_ENUM_DOUBLE_DECL(rk3036_codec_antipop_enum, INNO_R09, >> + INNO_R09_HPL_ANITPOP_SHIFT, INNO_R09_HPR_ANITPOP_SHIFT, 0x3, >> + rk3036_codec_antipop_text, rk3036_codec_antipop_values); > This looks like a simple boolean control rather than an enum - it looks > like it's just turning antipop on and off. It is a boolean control, but it takes 2 bits -- the value of "on" is b10 and b01 for "off". So I try to use VALUE_ENUM. > >> + SOC_DOUBLE_R_RANGE_TLV("Headphone Volume", INNO_R07, INNO_R08, >> + INNO_HP_GAIN_SHIFT, INNO_HP_GAIN_N39DB, >> + INNO_HP_GAIN_0DB, 0, rk3036_codec_hp_tlv), >> + SOC_DOUBLE("Zero Cross Detect", INNO_R06, INNO_R06_VOUTL_CZ_SHIFT, >> + INNO_R06_VOUTR_CZ_SHIFT, 1, 0), > This should be "Zero Cross Switch". Make change in V3. > >> + SOC_DOUBLE("HP Mute", INNO_R09, INNO_R09_HPL_MUTE_SHIFT, >> + INNO_R09_HPR_MUTE_SHIFT, 1, 1), > This should be "Headphone Switch". Make change in V3. > >> +static int rk3036_codec_add_widgets(struct snd_soc_codec *codec) >> +{ >> + struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec); >> + >> + snd_soc_add_codec_controls(codec, rk3036_codec_dapm_controls, >> + ARRAY_SIZE(rk3036_codec_dapm_controls)); >> + >> + snd_soc_dapm_new_controls(dapm, rk3036_codec_dapm_widgets, >> + ARRAY_SIZE(rk3036_codec_dapm_widgets)); >> + >> + snd_soc_dapm_add_routes(dapm, rk3036_codec_dapm_routes, >> + ARRAY_SIZE(rk3036_codec_dapm_routes)); > Just point at the tables from the driver structure and let the core do > the initialisation for you. Make change in V3. > >> +static int rk3036_codec_set_bias_level(struct snd_soc_codec *codec, >> + enum snd_soc_bias_level level) >> +{ >> + switch (level) { >> + case SND_SOC_BIAS_STANDBY: >> + /* set a big current for capacitor charging. */ >> + snd_soc_write(codec, INNO_R10, INNO_R10_MAX_CUR); >> + /* start precharge */ >> + snd_soc_write(codec, INNO_R06, INNO_R06_DAC_PRECHARGE); > Do we not need to wait for this to ramp? The datasheet didn't give the delay value. It works in my tests. Thank you, Shunqian