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Message-ID: <20210302170454.39679-7-tanureal@opensource.cirrus.com>
Date: Tue, 2 Mar 2021 17:04:45 +0000
From: Lucas Tanure <tanureal@...nsource.cirrus.com>
To: James Schulman <james.schulman@...rus.com>,
David Rhodes <david.rhodes@...rus.com>,
Mark Brown <broonie@...nel.org>,
Liam Girdwood <lgirdwood@...il.com>
CC: Richard Fitzgerald <rf@...nsource.cirrus.com>,
<alsa-devel@...a-project.org>, <patches@...nsource.cirrus.com>,
Lucas Tanure <tanureal@...nsource.cirrus.com>,
<linux-kernel@...r.kernel.org>
Subject: [PATCH 06/15] ASoC: cs42l42: Provide finer control on playback path
Removing cs42l42_hpdrv_evt that enables the entire chain and replace by
a set of widgets that can better define the codec
Signed-off-by: Lucas Tanure <tanureal@...nsource.cirrus.com>
---
sound/soc/codecs/cs42l42.c | 65 +++++++++++++-------------------------
sound/soc/codecs/cs42l42.h | 8 ++---
2 files changed, 26 insertions(+), 47 deletions(-)
diff --git a/sound/soc/codecs/cs42l42.c b/sound/soc/codecs/cs42l42.c
index 834b702fe4297..663a6a8104171 100644
--- a/sound/soc/codecs/cs42l42.c
+++ b/sound/soc/codecs/cs42l42.c
@@ -461,54 +461,33 @@ static const struct snd_kcontrol_new cs42l42_snd_controls[] = {
0x3e, 1, mixer_tlv)
};
-static int cs42l42_hpdrv_evt(struct snd_soc_dapm_widget *w,
- struct snd_kcontrol *kcontrol, int event)
-{
- struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
-
- if (event & SND_SOC_DAPM_POST_PMU) {
- /* Enable the channels */
- snd_soc_component_update_bits(component, CS42L42_ASP_RX_DAI0_EN,
- CS42L42_ASP_RX0_CH_EN_MASK,
- (CS42L42_ASP_RX0_CH1_EN |
- CS42L42_ASP_RX0_CH2_EN) <<
- CS42L42_ASP_RX0_CH_EN_SHIFT);
-
- /* Power up */
- snd_soc_component_update_bits(component, CS42L42_PWR_CTL1,
- CS42L42_ASP_DAI_PDN_MASK | CS42L42_MIXER_PDN_MASK |
- CS42L42_HP_PDN_MASK, 0);
- } else if (event & SND_SOC_DAPM_PRE_PMD) {
- /* Disable the channels */
- snd_soc_component_update_bits(component, CS42L42_ASP_RX_DAI0_EN,
- CS42L42_ASP_RX0_CH_EN_MASK, 0);
-
- /* Power down */
- snd_soc_component_update_bits(component, CS42L42_PWR_CTL1,
- CS42L42_ASP_DAI_PDN_MASK | CS42L42_MIXER_PDN_MASK |
- CS42L42_HP_PDN_MASK,
- CS42L42_ASP_DAI_PDN_MASK | CS42L42_MIXER_PDN_MASK |
- CS42L42_HP_PDN_MASK);
- } else {
- dev_err(component->dev, "Invalid event 0x%x\n", event);
- }
- return 0;
-}
-
static const struct snd_soc_dapm_widget cs42l42_dapm_widgets[] = {
+ /* Playback Path */
SND_SOC_DAPM_OUTPUT("HP"),
- SND_SOC_DAPM_AIF_IN("SDIN", NULL, 0, CS42L42_ASP_CLK_CFG,
- CS42L42_ASP_SCLK_EN_SHIFT, false),
- SND_SOC_DAPM_OUT_DRV_E("HPDRV", SND_SOC_NOPM, 0,
- 0, NULL, 0, cs42l42_hpdrv_evt,
- SND_SOC_DAPM_POST_PMU |
- SND_SOC_DAPM_PRE_PMD)
+ SND_SOC_DAPM_DAC("DAC", NULL, CS42L42_PWR_CTL1, CS42L42_HP_PDN_SHIFT, 1),
+ SND_SOC_DAPM_MIXER("MIXER", CS42L42_PWR_CTL1, CS42L42_MIXER_PDN_SHIFT, 1, NULL, 0),
+ SND_SOC_DAPM_AIF_IN("SDIN1", NULL, 0, CS42L42_ASP_RX_DAI0_EN, CS42L42_ASP_RX0_CH1_SHIFT, 0),
+ SND_SOC_DAPM_AIF_IN("SDIN2", NULL, 1, CS42L42_ASP_RX_DAI0_EN, CS42L42_ASP_RX0_CH2_SHIFT, 0),
+
+ /* Playback Requirements */
+ SND_SOC_DAPM_SUPPLY("ASP DAI0", CS42L42_PWR_CTL1, CS42L42_ASP_DAI_PDN_SHIFT, 1, NULL, 0),
+ SND_SOC_DAPM_SUPPLY("SCLK", CS42L42_ASP_CLK_CFG, CS42L42_ASP_SCLK_EN_SHIFT, 0, NULL, 0),
};
static const struct snd_soc_dapm_route cs42l42_audio_map[] = {
- {"SDIN", NULL, "Playback"},
- {"HPDRV", NULL, "SDIN"},
- {"HP", NULL, "HPDRV"}
+ /* Playback Path */
+ {"HP", NULL, "DAC"},
+ {"DAC", NULL, "MIXER"},
+ {"MIXER", NULL, "SDIN1"},
+ {"MIXER", NULL, "SDIN2"},
+ {"SDIN1", NULL, "Playback"},
+ {"SDIN2", NULL, "Playback"},
+
+ /* Playback Requirements */
+ {"SDIN1", NULL, "ASP DAI0"},
+ {"SDIN2", NULL, "ASP DAI0"},
+ {"SDIN1", NULL, "SCLK"},
+ {"SDIN2", NULL, "SCLK"},
};
static int cs42l42_component_probe(struct snd_soc_component *component)
diff --git a/sound/soc/codecs/cs42l42.h b/sound/soc/codecs/cs42l42.h
index 2bd370b184e1d..e17a0c0aeb4a0 100644
--- a/sound/soc/codecs/cs42l42.h
+++ b/sound/soc/codecs/cs42l42.h
@@ -695,10 +695,10 @@
#define CS42L42_ASP_RX_DAI0_EN (CS42L42_PAGE_2A + 0x01)
#define CS42L42_ASP_RX0_CH_EN_SHIFT 2
#define CS42L42_ASP_RX0_CH_EN_MASK (0xf << CS42L42_ASP_RX0_CH_EN_SHIFT)
-#define CS42L42_ASP_RX0_CH1_EN 1
-#define CS42L42_ASP_RX0_CH2_EN 2
-#define CS42L42_ASP_RX0_CH3_EN 4
-#define CS42L42_ASP_RX0_CH4_EN 8
+#define CS42L42_ASP_RX0_CH1_SHIFT 2
+#define CS42L42_ASP_RX0_CH2_SHIFT 3
+#define CS42L42_ASP_RX0_CH3_SHIFT 4
+#define CS42L42_ASP_RX0_CH4_SHIFT 5
#define CS42L42_ASP_RX_DAI0_CH1_AP_RES (CS42L42_PAGE_2A + 0x02)
#define CS42L42_ASP_RX_DAI0_CH1_BIT_MSB (CS42L42_PAGE_2A + 0x03)
--
2.30.1
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