From: Bard Liao bardliao@realtek.com

We can select the clock source of some digital widgets in rt5645. This patch adds the controls of those selections.

Signed-off-by: Bard Liao bardliao@realtek.com --- sound/soc/codecs/rt5645.c | 97 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 97 insertions(+)

diff --git a/sound/soc/codecs/rt5645.c b/sound/soc/codecs/rt5645.c index a7762d0..e8e30b7 100644 --- a/sound/soc/codecs/rt5645.c +++ b/sound/soc/codecs/rt5645.c @@ -440,6 +440,89 @@ static SOC_ENUM_SINGLE_DECL(rt5645_tdm_adc_sel_enum, RT5645_TDM_CTRL_1, 8, rt5645_tdm_adc_data_select);

+static const char * const rt5645_asrc_clk_source[] = { + "clk_sysy_div_out", "clk_i2s1_track", "clk_i2s2_track", + "clk_i2s3_track", "clk_i2s4_track", "clk_sys2", "clk_sys3", + "clk_sys4", "clk_sys5" +}; + +static const SOC_ENUM_SINGLE_DECL(rt5645_da_sto_asrc_enum, RT5645_ASRC_2, + 12, rt5645_asrc_clk_source); + +static const SOC_ENUM_SINGLE_DECL(rt5645_da_monol_asrc_enum, RT5645_ASRC_2, + 8, rt5645_asrc_clk_source); + +static const SOC_ENUM_SINGLE_DECL(rt5645_da_monor_asrc_enum, RT5645_ASRC_2, + 4, rt5645_asrc_clk_source); + +static const SOC_ENUM_SINGLE_DECL(rt5645_ad_sto1_asrc_enum, RT5645_ASRC_2, + 0, rt5645_asrc_clk_source); + +static const SOC_ENUM_SINGLE_DECL(rt5645_ad_monol_asrc_enum, RT5645_ASRC_3, + 4, rt5645_asrc_clk_source); + +static const SOC_ENUM_SINGLE_DECL(rt5645_ad_monor_asrc_enum, RT5645_ASRC_3, + 0, rt5645_asrc_clk_source); + +static int rt5645_clk_sel_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol); + unsigned int u_bit = 0, p_bit = 0; + struct soc_enum *em = + (struct soc_enum *)kcontrol->private_value; + + switch (em->reg) { + case RT5645_ASRC_2: + switch (em->shift_l) { + case 0: + u_bit = 0x8; + p_bit = RT5645_PWR_ADC_S1F; + break; + case 4: + u_bit = 0x100; + p_bit = RT5645_PWR_DAC_MF_R; + break; + case 8: + u_bit = 0x200; + p_bit = RT5645_PWR_DAC_MF_L; + break; + case 12: + u_bit = 0x400; + p_bit = RT5645_PWR_DAC_S1F; + break; + } + break; + case RT5645_ASRC_3: + switch (em->shift_l) { + case 0: + u_bit = 0x1; + p_bit = RT5645_PWR_ADC_MF_R; + break; + case 4: + u_bit = 0x2; + p_bit = RT5645_PWR_ADC_MF_L; + break; + } + break; + } + + if (u_bit || p_bit) { + switch (ucontrol->value.integer.value[0]) { + case 1 ... 4: /*enable*/ + if (snd_soc_read(codec, RT5645_PWR_DIG2) & p_bit) + snd_soc_update_bits(codec, + RT5645_ASRC_1, u_bit, u_bit); + break; + default: /*disable*/ + snd_soc_update_bits(codec, RT5645_ASRC_1, u_bit, 0); + break; + } + } + + return snd_soc_put_enum_double(kcontrol, ucontrol); +} + static const struct snd_kcontrol_new rt5645_snd_controls[] = { /* Speaker Output Volume */ SOC_DOUBLE("Speaker Channel Switch", RT5645_SPK_VOL, @@ -511,6 +594,20 @@ static const struct snd_kcontrol_new rt5645_snd_controls[] = { SOC_SINGLE("TDM IF1_DAC1_R Sel", RT5645_TDM_CTRL_3, 8, 7, 0), SOC_SINGLE("TDM IF1_DAC2_L Sel", RT5645_TDM_CTRL_3, 4, 7, 0), SOC_SINGLE("TDM IF1_DAC2_R Sel", RT5645_TDM_CTRL_3, 0, 7, 0), + + /* Clock Source Selection*/ + SOC_ENUM_EXT("DA STO Clk Sel", rt5645_da_sto_asrc_enum, + snd_soc_get_enum_double, rt5645_clk_sel_put), + SOC_ENUM_EXT("DA MONOL Clk Sel", rt5645_da_monol_asrc_enum, + snd_soc_get_enum_double, rt5645_clk_sel_put), + SOC_ENUM_EXT("DA MONOR Clk Sel", rt5645_da_monor_asrc_enum, + snd_soc_get_enum_double, rt5645_clk_sel_put), + SOC_ENUM_EXT("AD STO1 Clk Sel", rt5645_ad_sto1_asrc_enum, + snd_soc_get_enum_double, rt5645_clk_sel_put), + SOC_ENUM_EXT("AD MONOL Clk Sel", rt5645_ad_monol_asrc_enum, + snd_soc_get_enum_double, rt5645_clk_sel_put), + SOC_ENUM_EXT("AD MONOR Clk Sel", rt5645_ad_monor_asrc_enum, + snd_soc_get_enum_double, rt5645_clk_sel_put), };

/**