From mboxrd@z Thu Jan 1 00:00:00 1970 From: Charles Keepax Subject: Re: [PATCHv3 2/9] WM8971 uses SOC_ENUM_SINGLE_DECL to replace SOC_ENUM_SINGLE Date: Tue, 2 Sep 2014 10:33:32 +0100 Message-ID: <20140902093332.GD12043@opensource.wolfsonmicro.com> References: <1409628470-13059-1-git-send-email-xavier.hsu@linaro.org> <1409628470-13059-2-git-send-email-xavier.hsu@linaro.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from opensource.wolfsonmicro.com (opensource.wolfsonmicro.com [80.75.67.52]) by alsa0.perex.cz (Postfix) with ESMTP id 6830226523B for ; Tue, 2 Sep 2014 11:33:33 +0200 (CEST) Content-Disposition: inline In-Reply-To: <1409628470-13059-2-git-send-email-xavier.hsu@linaro.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: alsa-devel-bounces@alsa-project.org To: Xavier Hsu Cc: Andy Green , alsa-devel@alsa-project.org, patches@opensource.wolfsonmicro.com, patches@linaro.org List-Id: alsa-devel@alsa-project.org On Tue, Sep 02, 2014 at 11:27:43AM +0800, Xavier Hsu wrote: > This patch improves WM8971. > We uses SOC_ENUM_SINGLE_DECL macro to > replace SOC_ENUM_SINGLE macro. > > Any comments about improving the patch are welcome. > Thanks. > > Signed-off-by: Xavier Hsu > Signed-off-by: Andy Green > --- > sound/soc/codecs/wm8971.c | 136 +++++++++++++++++++++++++++++++++++---------- > 1 file changed, 106 insertions(+), 30 deletions(-) > mode change 100644 => 100755 sound/soc/codecs/wm8971.c > > diff --git a/sound/soc/codecs/wm8971.c b/sound/soc/codecs/wm8971.c > old mode 100644 > new mode 100755 > index 064278f..59c4828 > --- a/sound/soc/codecs/wm8971.c > +++ b/sound/soc/codecs/wm8971.c > @@ -7,6 +7,10 @@ > * > * Based on wm8753.c by Liam Girdwood > * > + * WM8971 Improve Copyright (C) 2014 Linaro, Ltd > + * Author: Xavier Hsu > + * Andy Green > + * > * This program is free software; you can redistribute it and/or modify it > * under the terms of the GNU General Public License as published by the > * Free Software Foundation; either version 2 of the License, or (at your > @@ -36,6 +40,8 @@ static struct workqueue_struct *wm8971_workq; > /* codec private data */ > struct wm8971_priv { > unsigned int sysclk; > + int playback_fs; > + bool deemph; > }; > > /* > @@ -100,7 +106,6 @@ static const char const *wm8971_alc_func[] = {"Off", "Right", > "Left", "Stereo"}; > static const char const *wm8971_ng_type[] = {"Constant PGA Gain", > "Mute ADC Output"}; > -static const char const *wm8971_deemp[] = {"None", "32kHz", "44.1kHz", "48kHz"}; > static const char const *wm8971_mono_mux[] = {"Stereo", "Mono (Left)", > "Mono (Right)", "Digital Mono"}; > static const char const *wm8971_dac_phase[] = {"Non Inverted", "Inverted"}; > @@ -114,23 +119,91 @@ static const char const *wm8971_rpga_sel[] = {"Line", "Mic", "NC", > "Differential"}; > static const char const *wm8971_adcpol[] = {"Normal", "L Invert", > "R Invert", "L + R Invert"}; > +static const char const *wm8971_deemp[] = {"None", "32kHz", > + "44.1kHz", "48kHz"}; > > -static const struct soc_enum wm8971_enum[] = { > - SOC_ENUM_SINGLE(WM8971_BASS, 7, 2, wm8971_bass), /* 0 */ > - SOC_ENUM_SINGLE(WM8971_BASS, 6, 2, wm8971_bass_filter), > - SOC_ENUM_SINGLE(WM8971_TREBLE, 6, 2, wm8971_treble), > - SOC_ENUM_SINGLE(WM8971_ALC1, 7, 4, wm8971_alc_func), > - SOC_ENUM_SINGLE(WM8971_NGATE, 1, 2, wm8971_ng_type), /* 4 */ > - SOC_ENUM_SINGLE(WM8971_ADCDAC, 1, 4, wm8971_deemp), > - SOC_ENUM_SINGLE(WM8971_ADCTL1, 4, 4, wm8971_mono_mux), > - SOC_ENUM_SINGLE(WM8971_ADCTL1, 1, 2, wm8971_dac_phase), > - SOC_ENUM_SINGLE(WM8971_LOUTM1, 0, 5, wm8971_lline_mux), /* 8 */ > - SOC_ENUM_SINGLE(WM8971_ROUTM1, 0, 5, wm8971_rline_mux), > - SOC_ENUM_SINGLE(WM8971_LADCIN, 6, 4, wm8971_lpga_sel), > - SOC_ENUM_SINGLE(WM8971_RADCIN, 6, 4, wm8971_rpga_sel), > - SOC_ENUM_SINGLE(WM8971_ADCDAC, 5, 4, wm8971_adcpol), /* 12 */ > - SOC_ENUM_SINGLE(WM8971_ADCIN, 6, 4, wm8971_mono_mux), > -}; > +static int wm8971_set_deemph(struct snd_soc_codec *codec) > +{ > + struct wm8971_priv *wm8971 = snd_soc_codec_get_drvdata(codec); > + int val = 0, i, best = 0; > + > + /* If we're using deemphasis select the nearest available sample > + * rate. > + */ > + if (wm8971->deemph) { > + best = 1; > + for (i = 2; i < ARRAY_SIZE(wm8971_deemp); i++) { > + if (abs(wm8971_deemp[i] - wm8971->playback_fs) < > + abs(wm8971_deemp[best] - > + wm8971->playback_fs)) > + best = i; > + } > + val = best << 1; > + } > + > + dev_dbg(codec->dev, "Set deemphasis %d (%dHz)\n", > + best, wm8971_deemp[best]); > + > + return snd_soc_update_bits(codec, WM8971_ADCDAC, 0x6, val); > +} > + > +static int wm8971_get_deemph(struct snd_kcontrol *kcontrol, > + struct snd_ctl_elem_value *ucontrol) > +{ > + struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol); > + struct wm8971_priv *wm8971 = snd_soc_codec_get_drvdata(codec); > + > + ucontrol->value.enumerated.item[0] = wm8971->deemph; > + > + return 0; > +} > + > +static int wm8971_put_deemph(struct snd_kcontrol *kcontrol, > + struct snd_ctl_elem_value *ucontrol) > +{ > + struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol); > + struct wm8971_priv *wm8971 = snd_soc_codec_get_drvdata(codec); > + int deemph = ucontrol->value.enumerated.item[0]; > + int ret = 0; > + > + if (deemph > 1) > + return -EINVAL; > + > + mutex_lock(&codec->mutex); > + if (wm8971->deemph != deemph) { > + wm8971->deemph = deemph; > + wm8971_set_deemph(codec); > + > + ret = 1; > + } > + mutex_unlock(&codec->mutex); > + > + return ret; > +} This deemph stuff should probably go in a seperate patch it doesn't really match the commit log of "We uses SOC_ENUM_SINGLE_DECL macro to replace SOC_ENUM_SINGLE macro." > + > +static const SOC_ENUM_SINGLE_DECL(bass_boost, WM8971_BASS, 7, wm8971_bass); > +static const SOC_ENUM_SINGLE_DECL(bass_filter, WM8971_BASS, > + 6, wm8971_bass_filter); > +static const SOC_ENUM_SINGLE_DECL(treble_cutoff, WM8971_TREBLE, > + 6, wm8971_treble); > +static const SOC_ENUM_SINGLE_DECL(alc_capture_func, WM8971_ALC1, > + 7, wm8971_alc_func); > +static const SOC_ENUM_SINGLE_DECL(alc_capture_ngtype, WM8971_NGATE, > + 1, wm8971_ng_type); > +static const SOC_ENUM_SINGLE_DECL(dac_mono_mix, WM8971_ADCTL1, > + 4, wm8971_mono_mux); > +static const SOC_ENUM_SINGLE_DECL(dac_phase_inv, WM8971_ADCTL1, > + 1, wm8971_dac_phase); > +static const SOC_ENUM_SINGLE_DECL(left_line, WM8971_LOUTM1, > + 0, wm8971_lline_mux); > +static const SOC_ENUM_SINGLE_DECL(right_line, WM8971_ROUTM1, > + 0, wm8971_rline_mux); > +static const SOC_ENUM_SINGLE_DECL(left_pga, WM8971_LADCIN, 6, wm8971_lpga_sel); > +static const SOC_ENUM_SINGLE_DECL(right_pga, WM8971_RADCIN, > + 6, wm8971_rpga_sel); > +static const SOC_ENUM_SINGLE_DECL(capture_polarity, WM8971_ADCDAC, > + 5, wm8971_adcpol); > +static const SOC_ENUM_SINGLE_DECL(monomux, WM8971_ADCIN, 6, wm8971_mono_mux); > > static const struct snd_kcontrol_new wm8971_snd_controls[] = { > SOC_DOUBLE_R("Capture Volume", WM8971_LINVOL, WM8971_RINVOL, 0, 63, 0), > @@ -158,12 +231,12 @@ static const struct snd_kcontrol_new wm8971_snd_controls[] = { > SOC_DOUBLE_R("Speaker Playback Volume", WM8971_LOUT2V, > WM8971_ROUT2V, 0, 127, 0), > > - SOC_ENUM("Bass Boost", wm8971_enum[0]), > - SOC_ENUM("Bass Filter", wm8971_enum[1]), > + SOC_ENUM("Bass Boost", bass_boost), > + SOC_ENUM("Bass Filter", bass_filter), > SOC_SINGLE("Bass Volume", WM8971_BASS, 0, 7, 1), > > SOC_SINGLE("Treble Volume", WM8971_TREBLE, 0, 7, 0), > - SOC_ENUM("Treble Cut-off", wm8971_enum[2]), > + SOC_ENUM("Treble Cut-off", treble_cutoff), > > SOC_SINGLE("Capture Filter Switch", WM8971_ADCDAC, 0, 1, 1), > > @@ -172,21 +245,22 @@ static const struct snd_kcontrol_new wm8971_snd_controls[] = { > > SOC_SINGLE("ALC Capture Target Volume", WM8971_ALC1, 0, 7, 0), > SOC_SINGLE("ALC Capture Max Volume", WM8971_ALC1, 4, 7, 0), > - SOC_ENUM("ALC Capture Function", wm8971_enum[3]), > + SOC_ENUM("ALC Capture Function", alc_capture_func), > SOC_SINGLE("ALC Capture ZC Switch", WM8971_ALC2, 7, 1, 0), > SOC_SINGLE("ALC Capture Hold Time", WM8971_ALC2, 0, 15, 0), > SOC_SINGLE("ALC Capture Decay Time", WM8971_ALC3, 4, 15, 0), > SOC_SINGLE("ALC Capture Attack Time", WM8971_ALC3, 0, 15, 0), > SOC_SINGLE("ALC Capture NG Threshold", WM8971_NGATE, 3, 31, 0), > - SOC_ENUM("ALC Capture NG Type", wm8971_enum[4]), > + SOC_ENUM("ALC Capture NG Type", alc_capture_ngtype), > SOC_SINGLE("ALC Capture NG Switch", WM8971_NGATE, 0, 1, 0), > > SOC_SINGLE("Capture 6dB Attenuate", WM8971_ADCDAC, 8, 1, 0), > SOC_SINGLE("Playback 6dB Attenuate", WM8971_ADCDAC, 7, 1, 0), > > - SOC_ENUM("Playback De-emphasis", wm8971_enum[5]), > - SOC_ENUM("Playback Function", wm8971_enum[6]), > - SOC_ENUM("Playback Phase", wm8971_enum[7]), > + SOC_SINGLE_BOOL_EXT("Playback De-emphasis Switch", 0, > + wm8971_get_deemph, wm8971_put_deemph), > + SOC_ENUM("Playback Function", dac_mono_mix), > + SOC_ENUM("Playback Phase", dac_phase_inv), > > SOC_DOUBLE_R("Mic Boost", WM8971_LADCIN, WM8971_RADCIN, 4, 3, 0), > }; > @@ -221,23 +295,23 @@ SOC_DAPM_SINGLE("Right Bypass Switch", WM8971_MOUTM2, 7, 1, 0), > > /* Left Line Mux */ > static const struct snd_kcontrol_new wm8971_left_line_controls = > -SOC_DAPM_ENUM("Route", wm8971_enum[8]); > +SOC_DAPM_ENUM("Route", left_line); > > /* Right Line Mux */ > static const struct snd_kcontrol_new wm8971_right_line_controls = > -SOC_DAPM_ENUM("Route", wm8971_enum[9]); > +SOC_DAPM_ENUM("Route", right_line); > > /* Left PGA Mux */ > static const struct snd_kcontrol_new wm8971_left_pga_controls = > -SOC_DAPM_ENUM("Route", wm8971_enum[10]); > +SOC_DAPM_ENUM("Route", left_pga); > > /* Right PGA Mux */ > static const struct snd_kcontrol_new wm8971_right_pga_controls = > -SOC_DAPM_ENUM("Route", wm8971_enum[11]); > +SOC_DAPM_ENUM("Route", right_pga); > > /* Mono ADC Mux */ > static const struct snd_kcontrol_new wm8971_monomux_controls = > -SOC_DAPM_ENUM("Route", wm8971_enum[13]); > +SOC_DAPM_ENUM("Route", monomux); > > static const struct snd_soc_dapm_widget wm8971_dapm_widgets[] = { > SND_SOC_DAPM_MIXER("Left Mixer", SND_SOC_NOPM, 0, 0, > @@ -534,6 +608,8 @@ static int wm8971_pcm_hw_params(struct snd_pcm_substream *substream, > break; > } > > + wm8971_set_deemph(codec); > + > /* set iface & srate */ > snd_soc_write(codec, WM8971_IFACE, iface); > if (coeff >= 0) > -- Thanks, Charles