All of lore.kernel.org
 help / color / mirror / Atom feed
From: Olivier Moysan <olivier.moysan@st.com>
To: <lgirdwood@gmail.com>, <broonie@kernel.org>, <perex@perex.cz>,
	<tiwai@suse.com>, <mcoquelin.stm32@gmail.com>,
	<alexandre.torgue@st.com>, <alsa-devel@alsa-project.org>,
	<robh@kernel.org>, <mark.rutland@arm.com>,
	<devicetree@vger.kernel.org>,
	<linux-arm-kernel@lists.infradead.org>,
	<linux-stm32@st-md-mailman.stormreply.com>,
	<linux-kernel@vger.kernel.org>, <olivier.moysan@st.com>,
	<arnaud.pouliquen@st.com>, <benjamin.gaignard@st.com>,
	<apatard@mandriva.com>
Subject: [PATCH 3/7] ASoC: cs42l51: add reset management
Date: Wed, 3 Apr 2019 15:23:33 +0200	[thread overview]
Message-ID: <1554297817-14154-4-git-send-email-olivier.moysan@st.com> (raw)
In-Reply-To: <1554297817-14154-1-git-send-email-olivier.moysan@st.com>

Manage cs42l51 audio codec reset pin.

Signed-off-by: Olivier Moysan <olivier.moysan@st.com>
---
 sound/soc/codecs/cs42l51.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/sound/soc/codecs/cs42l51.c b/sound/soc/codecs/cs42l51.c
index f43eb51d2d8d..9b3ffa16b204 100644
--- a/sound/soc/codecs/cs42l51.c
+++ b/sound/soc/codecs/cs42l51.c
@@ -30,6 +30,7 @@
 #include <sound/initval.h>
 #include <sound/pcm_params.h>
 #include <sound/pcm.h>
+#include <linux/gpio/consumer.h>
 #include <linux/regmap.h>
 #include <linux/regulator/consumer.h>
 
@@ -54,6 +55,7 @@ struct cs42l51_private {
 	unsigned int audio_mode;	/* The mode (I2S or left-justified) */
 	enum master_slave_mode func;
 	struct regulator_bulk_data supplies[ARRAY_SIZE(cs42l51_supply_names)];
+	struct gpio_desc *reset_gpio;
 };
 
 #define CS42L51_FORMATS ( \
@@ -595,6 +597,17 @@ int cs42l51_probe(struct device *dev, struct regmap *regmap)
 		return ret;
 	}
 
+	cs42l51->reset_gpio = devm_gpiod_get_optional(dev, "reset",
+						      GPIOD_OUT_LOW);
+	if (IS_ERR(cs42l51->reset_gpio))
+		return PTR_ERR(cs42l51->reset_gpio);
+
+	if (cs42l51->reset_gpio) {
+		dev_dbg(dev, "Release reset gpio\n");
+		gpiod_set_value_cansleep(cs42l51->reset_gpio, 0);
+		mdelay(2);
+	}
+
 	/* Verify that we have a CS42L51 */
 	ret = regmap_read(regmap, CS42L51_CHIP_REV_ID, &val);
 	if (ret < 0) {
@@ -629,6 +642,8 @@ int cs42l51_remove(struct device *dev)
 {
 	struct cs42l51_private *cs42l51 = dev_get_drvdata(dev);
 
+	gpiod_set_value_cansleep(cs42l51->reset_gpio, 1);
+
 	return regulator_bulk_disable(ARRAY_SIZE(cs42l51->supplies),
 				      cs42l51->supplies);
 }
-- 
2.7.4


WARNING: multiple messages have this Message-ID (diff)
From: Olivier Moysan <olivier.moysan@st.com>
To: lgirdwood@gmail.com, broonie@kernel.org, perex@perex.cz,
	tiwai@suse.com, mcoquelin.stm32@gmail.com,
	alexandre.torgue@st.com, alsa-devel@alsa-project.org,
	robh@kernel.org, mark.rutland@arm.com,
	devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-stm32@st-md-mailman.stormreply.com,
	linux-kernel@vger.kernel.org, olivier.moysan@st.com,
	arnaud.pouliquen@st.com, benjamin.gaignard@st.com,
	apatard@mandriva.com
Subject: [PATCH 3/7] ASoC: cs42l51: add reset management
Date: Wed, 3 Apr 2019 15:23:33 +0200	[thread overview]
Message-ID: <1554297817-14154-4-git-send-email-olivier.moysan@st.com> (raw)
In-Reply-To: <1554297817-14154-1-git-send-email-olivier.moysan@st.com>

Manage cs42l51 audio codec reset pin.

Signed-off-by: Olivier Moysan <olivier.moysan@st.com>
---
 sound/soc/codecs/cs42l51.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/sound/soc/codecs/cs42l51.c b/sound/soc/codecs/cs42l51.c
index f43eb51d2d8d..9b3ffa16b204 100644
--- a/sound/soc/codecs/cs42l51.c
+++ b/sound/soc/codecs/cs42l51.c
@@ -30,6 +30,7 @@
 #include <sound/initval.h>
 #include <sound/pcm_params.h>
 #include <sound/pcm.h>
+#include <linux/gpio/consumer.h>
 #include <linux/regmap.h>
 #include <linux/regulator/consumer.h>
 
@@ -54,6 +55,7 @@ struct cs42l51_private {
 	unsigned int audio_mode;	/* The mode (I2S or left-justified) */
 	enum master_slave_mode func;
 	struct regulator_bulk_data supplies[ARRAY_SIZE(cs42l51_supply_names)];
+	struct gpio_desc *reset_gpio;
 };
 
 #define CS42L51_FORMATS ( \
@@ -595,6 +597,17 @@ int cs42l51_probe(struct device *dev, struct regmap *regmap)
 		return ret;
 	}
 
+	cs42l51->reset_gpio = devm_gpiod_get_optional(dev, "reset",
+						      GPIOD_OUT_LOW);
+	if (IS_ERR(cs42l51->reset_gpio))
+		return PTR_ERR(cs42l51->reset_gpio);
+
+	if (cs42l51->reset_gpio) {
+		dev_dbg(dev, "Release reset gpio\n");
+		gpiod_set_value_cansleep(cs42l51->reset_gpio, 0);
+		mdelay(2);
+	}
+
 	/* Verify that we have a CS42L51 */
 	ret = regmap_read(regmap, CS42L51_CHIP_REV_ID, &val);
 	if (ret < 0) {
@@ -629,6 +642,8 @@ int cs42l51_remove(struct device *dev)
 {
 	struct cs42l51_private *cs42l51 = dev_get_drvdata(dev);
 
+	gpiod_set_value_cansleep(cs42l51->reset_gpio, 1);
+
 	return regulator_bulk_disable(ARRAY_SIZE(cs42l51->supplies),
 				      cs42l51->supplies);
 }
-- 
2.7.4

WARNING: multiple messages have this Message-ID (diff)
From: Olivier Moysan <olivier.moysan@st.com>
To: <lgirdwood@gmail.com>, <broonie@kernel.org>, <perex@perex.cz>,
	<tiwai@suse.com>, <mcoquelin.stm32@gmail.com>,
	<alexandre.torgue@st.com>, <alsa-devel@alsa-project.org>,
	<robh@kernel.org>, <mark.rutland@arm.com>,
	<devicetree@vger.kernel.org>,
	<linux-arm-kernel@lists.infradead.org>,
	<linux-stm32@st-md-mailman.stormreply.com>,
	<linux-kernel@vger.kernel.org>, <olivier.moysan@st.com>,
	<arnaud.pouliquen@st.com>, <benjamin.gaignard@st.com>,
	<apatard@mandriva.com>
Subject: [PATCH 3/7] ASoC: cs42l51: add reset management
Date: Wed, 3 Apr 2019 15:23:33 +0200	[thread overview]
Message-ID: <1554297817-14154-4-git-send-email-olivier.moysan@st.com> (raw)
In-Reply-To: <1554297817-14154-1-git-send-email-olivier.moysan@st.com>

Manage cs42l51 audio codec reset pin.

Signed-off-by: Olivier Moysan <olivier.moysan@st.com>
---
 sound/soc/codecs/cs42l51.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/sound/soc/codecs/cs42l51.c b/sound/soc/codecs/cs42l51.c
index f43eb51d2d8d..9b3ffa16b204 100644
--- a/sound/soc/codecs/cs42l51.c
+++ b/sound/soc/codecs/cs42l51.c
@@ -30,6 +30,7 @@
 #include <sound/initval.h>
 #include <sound/pcm_params.h>
 #include <sound/pcm.h>
+#include <linux/gpio/consumer.h>
 #include <linux/regmap.h>
 #include <linux/regulator/consumer.h>
 
@@ -54,6 +55,7 @@ struct cs42l51_private {
 	unsigned int audio_mode;	/* The mode (I2S or left-justified) */
 	enum master_slave_mode func;
 	struct regulator_bulk_data supplies[ARRAY_SIZE(cs42l51_supply_names)];
+	struct gpio_desc *reset_gpio;
 };
 
 #define CS42L51_FORMATS ( \
@@ -595,6 +597,17 @@ int cs42l51_probe(struct device *dev, struct regmap *regmap)
 		return ret;
 	}
 
+	cs42l51->reset_gpio = devm_gpiod_get_optional(dev, "reset",
+						      GPIOD_OUT_LOW);
+	if (IS_ERR(cs42l51->reset_gpio))
+		return PTR_ERR(cs42l51->reset_gpio);
+
+	if (cs42l51->reset_gpio) {
+		dev_dbg(dev, "Release reset gpio\n");
+		gpiod_set_value_cansleep(cs42l51->reset_gpio, 0);
+		mdelay(2);
+	}
+
 	/* Verify that we have a CS42L51 */
 	ret = regmap_read(regmap, CS42L51_CHIP_REV_ID, &val);
 	if (ret < 0) {
@@ -629,6 +642,8 @@ int cs42l51_remove(struct device *dev)
 {
 	struct cs42l51_private *cs42l51 = dev_get_drvdata(dev);
 
+	gpiod_set_value_cansleep(cs42l51->reset_gpio, 1);
+
 	return regulator_bulk_disable(ARRAY_SIZE(cs42l51->supplies),
 				      cs42l51->supplies);
 }
-- 
2.7.4


_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  parent reply	other threads:[~2019-04-03 13:26 UTC|newest]

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-04-03 13:23 [PATCH 0/7] ASoC: cs42l51: add some features Olivier Moysan
2019-04-03 13:23 ` Olivier Moysan
2019-04-03 13:23 ` Olivier Moysan
2019-04-03 13:23 ` [PATCH 1/7] ASoC: dt-bindings: update cs42l51 bindings Olivier Moysan
2019-04-03 13:23   ` Olivier Moysan
2019-04-03 13:23   ` Olivier Moysan
2019-04-04 13:58   ` Applied "ASoC: dt-bindings: update cs42l51 bindings" to the asoc tree Mark Brown
2019-04-04 13:58     ` Mark Brown
2019-04-04 13:58     ` Mark Brown
2019-04-03 13:23 ` [PATCH 2/7] ASoC: cs42l51: add regulator management Olivier Moysan
2019-04-03 13:23   ` Olivier Moysan
2019-04-03 13:23   ` Olivier Moysan
2019-04-04 13:58   ` Applied "ASoC: cs42l51: add regulator management" to the asoc tree Mark Brown
2019-04-04 13:58     ` Mark Brown
2019-04-04 13:58     ` Mark Brown
2019-04-03 13:23 ` Olivier Moysan [this message]
2019-04-03 13:23   ` [PATCH 3/7] ASoC: cs42l51: add reset management Olivier Moysan
2019-04-03 13:23   ` Olivier Moysan
2019-04-04 13:58   ` Applied "ASoC: cs42l51: add reset management" to the asoc tree Mark Brown
2019-04-04 13:58     ` Mark Brown
2019-04-04 13:58     ` Mark Brown
2019-04-03 13:23 ` [PATCH 4/7] ASoC: cs42l51: add support of master mode Olivier Moysan
2019-04-03 13:23   ` Olivier Moysan
2019-04-03 13:23   ` Olivier Moysan
2019-04-04 13:58   ` Applied "ASoC: cs42l51: add support of master mode" to the asoc tree Mark Brown
2019-04-04 13:58     ` Mark Brown
2019-04-04 13:58     ` Mark Brown
2019-04-03 13:23 ` [PATCH 5/7] ASoC: cs42l51: change mic bias DAPM Olivier Moysan
2019-04-03 13:23   ` Olivier Moysan
2019-04-03 13:23   ` Olivier Moysan
2019-04-04  5:47   ` Mark Brown
2019-04-04  5:47     ` Mark Brown
2019-04-04 13:35     ` Olivier MOYSAN
2019-04-04 13:35       ` Olivier MOYSAN
2019-04-04 13:35       ` Olivier MOYSAN
2019-04-05  3:26   ` Applied "ASoC: cs42l51: change mic bias DAPM" to the asoc tree Mark Brown
2019-04-05  3:26     ` Mark Brown
2019-04-05  3:26     ` Mark Brown
2019-04-03 13:23 ` [PATCH 6/7] ASoC: cs42l51: add power management Olivier Moysan
2019-04-03 13:23   ` Olivier Moysan
2019-04-03 13:23   ` Olivier Moysan
2019-04-04 13:58   ` Applied "ASoC: cs42l51: add power management" to the asoc tree Mark Brown
2019-04-04 13:58     ` Mark Brown
2019-04-04 13:58     ` Mark Brown
2019-04-03 13:23 ` [PATCH 7/7] ASoC: cs42l51: add adc volume control Olivier Moysan
2019-04-03 13:23   ` Olivier Moysan
2019-04-03 13:23   ` Olivier Moysan
2019-04-04 13:58   ` Applied "ASoC: cs42l51: add adc volume control" to the asoc tree Mark Brown
2019-04-04 13:58     ` Mark Brown
2019-04-04 13:58     ` Mark Brown

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1554297817-14154-4-git-send-email-olivier.moysan@st.com \
    --to=olivier.moysan@st.com \
    --cc=alexandre.torgue@st.com \
    --cc=alsa-devel@alsa-project.org \
    --cc=apatard@mandriva.com \
    --cc=arnaud.pouliquen@st.com \
    --cc=benjamin.gaignard@st.com \
    --cc=broonie@kernel.org \
    --cc=devicetree@vger.kernel.org \
    --cc=lgirdwood@gmail.com \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-stm32@st-md-mailman.stormreply.com \
    --cc=mark.rutland@arm.com \
    --cc=mcoquelin.stm32@gmail.com \
    --cc=perex@perex.cz \
    --cc=robh@kernel.org \
    --cc=tiwai@suse.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.