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From: Vitaly Rodionov <vitalyr@opensource.cirrus.com>
To: Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.com>
Cc: <alsa-devel@alsa-project.org>, <patches@opensource.cirrus.com>,
	<linux-kernel@vger.kernel.org>,
	Stefan Binding <sbinding@opensource.cirrus.com>
Subject: [PATCH v2 26/27] ALSA: hda/cs8409: Follow correct CS42L42 power down sequence for suspend
Date: Wed, 28 Jul 2021 14:44:07 +0100	[thread overview]
Message-ID: <20210728134408.369396-27-vitalyr@opensource.cirrus.com> (raw)
In-Reply-To: <20210728134408.369396-1-vitalyr@opensource.cirrus.com>

From: Stefan Binding <sbinding@opensource.cirrus.com>

Signed-off-by: Stefan Binding <sbinding@opensource.cirrus.com>
Signed-off-by: Vitaly Rodionov <vitalyr@opensource.cirrus.com>

Changes in v2:
- No changes

---
 sound/pci/hda/patch_cs8409.c | 23 ++++++++++++++++++++++-
 sound/pci/hda/patch_cs8409.h |  2 ++
 2 files changed, 24 insertions(+), 1 deletion(-)

diff --git a/sound/pci/hda/patch_cs8409.c b/sound/pci/hda/patch_cs8409.c
index 1e48337b782b..0baed8bebfbb 100644
--- a/sound/pci/hda/patch_cs8409.c
+++ b/sound/pci/hda/patch_cs8409.c
@@ -11,6 +11,7 @@
 #include <linux/module.h>
 #include <sound/core.h>
 #include <linux/mutex.h>
+#include <linux/iopoll.h>
 
 #include "patch_cs8409.h"
 
@@ -198,6 +199,7 @@ static int cs8409_i2c_read(struct sub_codec *scodec, unsigned int addr)
 	read_data = cs8409_vendor_coef_get(codec, CS8409_I2C_QREAD);
 
 	mutex_unlock(&spec->i2c_mux);
+
 	return read_data & 0x0ff;
 
 error:
@@ -654,9 +656,28 @@ static void cs42l42_suspend(struct sub_codec *cs42l42)
 {
 	struct hda_codec *codec = cs42l42->codec;
 	unsigned int gpio_data;
+	int reg_cdc_status = 0;
+	const struct cs8409_i2c_param cs42l42_pwr_down_seq[] = {
+		{ 0x2301, 0x3F },
+		{ 0x2302, 0x3F },
+		{ 0x2303, 0x3F },
+		{ 0x2001, 0x0F },
+		{ 0x2A01, 0x00 },
+		{ 0x1207, 0x00 },
+		{ 0x1101, 0xFE },
+		{ 0x1102, 0x8C },
+		{ 0x1101, 0xFF },
+	};
+
+	cs8409_i2c_bulk_write(cs42l42, cs42l42_pwr_down_seq, ARRAY_SIZE(cs42l42_pwr_down_seq));
+
+	if (read_poll_timeout(cs8409_i2c_read, reg_cdc_status,
+			(reg_cdc_status & 0x1), CS42L42_PDN_SLEEP_US, CS42L42_PDN_TIMEOUT_US,
+			true, cs42l42, 0x1308) < 0)
+		codec_warn(codec, "Timeout waiting for PDN_DONE for CS42L42\n");
 
 	/* Power down CS42L42 ASP/EQ/MIX/HP */
-	cs8409_i2c_write(cs42l42, 0x1101, 0xfe);
+	cs8409_i2c_write(cs42l42, 0x1102, 0x9C);
 	cs42l42->suspended = 1;
 	cs42l42->last_page = 0;
 
diff --git a/sound/pci/hda/patch_cs8409.h b/sound/pci/hda/patch_cs8409.h
index 71dbbd8e2f3b..09987daa9cbf 100644
--- a/sound/pci/hda/patch_cs8409.h
+++ b/sound/pci/hda/patch_cs8409.h
@@ -233,6 +233,8 @@ enum cs8409_coefficient_index_registers {
 #define CS42L42_JACK_REMOVED			(0x00)
 #define CS42L42_I2C_TIMEOUT_US			(20000)
 #define CS42L42_I2C_SLEEP_US			(2000)
+#define CS42L42_PDN_TIMEOUT_US			(250000)
+#define CS42L42_PDN_SLEEP_US			(2000)
 
 /* Dell BULLSEYE / WARLOCK / CYBORG Specific Definitions */
 
-- 
2.25.1


  parent reply	other threads:[~2021-07-28 13:47 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-28 13:43 [PATCH v2 00/27] ALSA: hda/cirrus: Split generic cirrus HDA codecs and CS8490 bridge into separate modules Vitaly Rodionov
2021-07-28 13:43 ` [PATCH v2 01/27] ALSA: hda/cirrus: Move CS8409 HDA bridge to separate module Vitaly Rodionov
2021-07-29  9:50   ` Takashi Iwai
2021-07-28 13:43 ` [PATCH v2 02/27] ALSA: hda/cs8409: Move arrays of configuration to a new file Vitaly Rodionov
2021-07-28 13:43 ` [PATCH v2 03/27] ALSA: hda/cs8409: Use enums for register names and coefficients Vitaly Rodionov
2021-07-28 13:43 ` [PATCH v2 04/27] ALSA: hda/cs8409: Mask all CS42L42 interrupts on initialization Vitaly Rodionov
2021-07-28 13:43 ` [PATCH v2 05/27] ALSA: hda/cs8409: Reduce HS pops/clicks for Cyborg Vitaly Rodionov
2021-07-28 13:43 ` [PATCH v2 06/27] ALSA: hda/cs8409: Disable unnecessary Ring Sense for Cyborg/Warlock/Bullseye Vitaly Rodionov
2021-07-28 13:43 ` [PATCH v2 07/27] ALSA: hda/cs8409: Disable unsolicited responses during suspend Vitaly Rodionov
2021-07-28 13:43 ` [PATCH v2 08/27] ALSA: hda/cs8409: Disable unsolicited response for the first boot Vitaly Rodionov
2021-07-28 13:43 ` [PATCH v2 09/27] ALSA: hda/cs8409: Mask CS42L42 wake events Vitaly Rodionov
2021-07-28 13:43 ` [PATCH v2 10/27] ALSA: hda/cs8409: Simplify CS42L42 jack detect Vitaly Rodionov
2021-07-28 13:43 ` [PATCH v2 11/27] ALSA: hda/cs8409: Prevent I2C access during suspend time Vitaly Rodionov
2021-07-28 13:43 ` [PATCH v2 12/27] ALSA: hda/cs8409: Generalize volume controls Vitaly Rodionov
2021-07-28 13:43 ` [PATCH v2 13/27] ALSA: hda/cs8409: Dont disable I2C clock between consecutive accesses Vitaly Rodionov
2021-07-29  9:48   ` Takashi Iwai
2021-07-28 13:43 ` [PATCH v2 14/27] ALSA: hda/cs8409: Avoid setting the same I2C address for every access Vitaly Rodionov
2021-07-28 13:43 ` [PATCH v2 15/27] ALSA: hda/cs8409: Avoid re-setting the same page as the last access Vitaly Rodionov
2021-07-28 13:43 ` [PATCH v2 16/27] ALSA: hda/cs8409: Support i2c bulk read/write functions Vitaly Rodionov
2021-07-28 13:43 ` [PATCH v2 17/27] ALSA: hda/cs8409: Separate CS8409, CS42L42 and project functions Vitaly Rodionov
2021-07-28 13:43 ` [PATCH v2 18/27] ALSA: hda/cs8409: Move codec properties to its own struct Vitaly Rodionov
2021-07-28 13:44 ` [PATCH v2 19/27] ALSA: hda/cs8409: Support multiple sub_codecs for Suspend/Resume/Unsol events Vitaly Rodionov
2021-07-28 13:44 ` [PATCH v2 20/27] ALSA: hda/cs8409: Add Support to disable jack type detection for CS42L42 Vitaly Rodionov
2021-07-28 13:44 ` [PATCH v2 21/27] ALSA: hda/cs8409: Add support for dolphin Vitaly Rodionov
2021-07-28 13:44 ` [PATCH v2 22/27] ALSA: hda/cs8409: Enable Full Scale Volume for Line Out Codec on Dolphin Vitaly Rodionov
2021-07-28 13:44 ` [PATCH v2 23/27] ALSA: hda/cs8409: Set fixed sample rate of 48kHz for CS42L42 Vitaly Rodionov
2021-07-28 13:44 ` [PATCH v2 24/27] ALSA: hda/cs8409: Use timeout rather than retries for I2C transaction waits Vitaly Rodionov
2021-07-28 13:44 ` [PATCH v2 25/27] ALSA: hda/cs8409: Remove unnecessary delays Vitaly Rodionov
2021-07-28 13:44 ` Vitaly Rodionov [this message]
2021-07-28 13:44 ` [PATCH v2 27/27] ALSA: hda/cs8409: Unmute/Mute codec when stream starts/stops Vitaly Rodionov

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