diff options
Diffstat (limited to 'sound/soc/codecs')
| -rw-r--r-- | sound/soc/codecs/wm8904.c | 34 |
1 files changed, 27 insertions, 7 deletions
diff --git a/sound/soc/codecs/wm8904.c b/sound/soc/codecs/wm8904.c index dc782c43a7c..80dd8df0b86 100644 --- a/sound/soc/codecs/wm8904.c +++ b/sound/soc/codecs/wm8904.c @@ -979,6 +979,7 @@ static int out_pga_event(struct snd_soc_dapm_widget *w, int dcs_l, dcs_r; int dcs_l_reg, dcs_r_reg; int timeout; + int pwr_reg; /* This code is shared between HP and LINEOUT; we do all our * power management in stereo pairs to avoid latency issues so @@ -988,6 +989,7 @@ static int out_pga_event(struct snd_soc_dapm_widget *w, switch (reg) { case WM8904_ANALOGUE_HP_0: + pwr_reg = WM8904_POWER_MANAGEMENT_2; dcs_mask = WM8904_DCS_ENA_CHAN_0 | WM8904_DCS_ENA_CHAN_1; dcs_r_reg = WM8904_DC_SERVO_8; dcs_l_reg = WM8904_DC_SERVO_9; @@ -995,6 +997,7 @@ static int out_pga_event(struct snd_soc_dapm_widget *w, dcs_r = 1; break; case WM8904_ANALOGUE_LINEOUT_0: + pwr_reg = WM8904_POWER_MANAGEMENT_3; dcs_mask = WM8904_DCS_ENA_CHAN_2 | WM8904_DCS_ENA_CHAN_3; dcs_r_reg = WM8904_DC_SERVO_6; dcs_l_reg = WM8904_DC_SERVO_7; @@ -1007,12 +1010,18 @@ static int out_pga_event(struct snd_soc_dapm_widget *w, } switch (event) { - case SND_SOC_DAPM_POST_PMU: + case SND_SOC_DAPM_PRE_PMU: + /* Power on the PGAs */ + snd_soc_update_bits(codec, pwr_reg, + WM8904_HPL_PGA_ENA | WM8904_HPR_PGA_ENA, + WM8904_HPL_PGA_ENA | WM8904_HPR_PGA_ENA); + /* Power on the amplifier */ snd_soc_update_bits(codec, reg, WM8904_HPL_ENA | WM8904_HPR_ENA, WM8904_HPL_ENA | WM8904_HPR_ENA); + /* Enable the first stage */ snd_soc_update_bits(codec, reg, WM8904_HPL_ENA_DLY | WM8904_HPR_ENA_DLY, @@ -1064,7 +1073,9 @@ static int out_pga_event(struct snd_soc_dapm_widget *w, snd_soc_update_bits(codec, reg, WM8904_HPL_ENA_OUTP | WM8904_HPR_ENA_OUTP, WM8904_HPL_ENA_OUTP | WM8904_HPR_ENA_OUTP); + break; + case SND_SOC_DAPM_POST_PMU: /* Unshort the output itself */ snd_soc_update_bits(codec, reg, WM8904_HPL_RMV_SHORT | @@ -1079,7 +1090,9 @@ static int out_pga_event(struct snd_soc_dapm_widget *w, snd_soc_update_bits(codec, reg, WM8904_HPL_RMV_SHORT | WM8904_HPR_RMV_SHORT, 0); + break; + case SND_SOC_DAPM_POST_PMD: /* Cache the DC servo configuration; this will be * invalidated if we change the configuration. */ wm8904->dcs_state[dcs_l] = snd_soc_read(codec, dcs_l_reg); @@ -1094,6 +1107,11 @@ static int out_pga_event(struct snd_soc_dapm_widget *w, WM8904_HPL_ENA_DLY | WM8904_HPR_ENA_DLY | WM8904_HPL_ENA_OUTP | WM8904_HPR_ENA_OUTP, 0); + + /* PGAs too */ + snd_soc_update_bits(codec, pwr_reg, + WM8904_HPL_PGA_ENA | WM8904_HPR_PGA_ENA, + 0); break; } @@ -1212,18 +1230,20 @@ SND_SOC_DAPM_DAC("DACR", NULL, WM8904_POWER_MANAGEMENT_6, 2, 0), SND_SOC_DAPM_SUPPLY("Charge pump", WM8904_CHARGE_PUMP_0, 0, 0, cp_event, SND_SOC_DAPM_POST_PMU), -SND_SOC_DAPM_PGA("HPL PGA", WM8904_POWER_MANAGEMENT_2, 1, 0, NULL, 0), -SND_SOC_DAPM_PGA("HPR PGA", WM8904_POWER_MANAGEMENT_2, 0, 0, NULL, 0), +SND_SOC_DAPM_PGA("HPL PGA", SND_SOC_NOPM, 1, 0, NULL, 0), +SND_SOC_DAPM_PGA("HPR PGA", SND_SOC_NOPM, 0, 0, NULL, 0), -SND_SOC_DAPM_PGA("LINEL PGA", WM8904_POWER_MANAGEMENT_3, 1, 0, NULL, 0), -SND_SOC_DAPM_PGA("LINER PGA", WM8904_POWER_MANAGEMENT_3, 0, 0, NULL, 0), +SND_SOC_DAPM_PGA("LINEL PGA", SND_SOC_NOPM, 1, 0, NULL, 0), +SND_SOC_DAPM_PGA("LINER PGA", SND_SOC_NOPM, 0, 0, NULL, 0), SND_SOC_DAPM_PGA_E("Headphone Output", SND_SOC_NOPM, WM8904_ANALOGUE_HP_0, 0, NULL, 0, out_pga_event, - SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), + SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | + SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD), SND_SOC_DAPM_PGA_E("Line Output", SND_SOC_NOPM, WM8904_ANALOGUE_LINEOUT_0, 0, NULL, 0, out_pga_event, - SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), + SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | + SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD), SND_SOC_DAPM_OUTPUT("HPOUTL"), SND_SOC_DAPM_OUTPUT("HPOUTR"), |