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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>,
	Lucas Tanure <tanureal@opensource.cirrus.com>
Subject: [PATCH v3 14/27] ALSA: hda/cs8409: Avoid setting the same I2C address for every access
Date: Fri, 30 Jul 2021 16:18:31 +0100	[thread overview]
Message-ID: <20210730151844.7873-15-vitalyr@opensource.cirrus.com> (raw)
In-Reply-To: <20210730151844.7873-1-vitalyr@opensource.cirrus.com>

From: Lucas Tanure <tanureal@opensource.cirrus.com>

Signed-off-by: Lucas Tanure <tanureal@opensource.cirrus.com>
Signed-off-by: Vitaly Rodionov <vitalyr@opensource.cirrus.com>
---

Changes in v2:
- No changes

Changes in v3:
- No changes

 sound/pci/hda/patch_cs8409.c | 19 +++++++++++++++++--
 sound/pci/hda/patch_cs8409.h |  1 +
 2 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/sound/pci/hda/patch_cs8409.c b/sound/pci/hda/patch_cs8409.c
index 1c75aa262ebc..194d336cb060 100644
--- a/sound/pci/hda/patch_cs8409.c
+++ b/sound/pci/hda/patch_cs8409.c
@@ -140,6 +140,21 @@ static int cs8409_i2c_wait_complete(struct hda_codec *codec)
 	return -1;
 }
 
+/**
+ * cs8409_set_i2c_dev_addr - Set i2c address for transaction
+ * @codec: the codec instance
+ * @addr: I2C Address
+ */
+static void cs8409_set_i2c_dev_addr(struct hda_codec *codec, unsigned int addr)
+{
+	struct cs8409_spec *spec = codec->spec;
+
+	if (spec->dev_addr != addr) {
+		cs8409_vendor_coef_set(codec, CS8409_I2C_ADDR, addr);
+		spec->dev_addr = addr;
+	}
+}
+
 /**
  * cs8409_i2c_read - CS8409 I2C Read.
  * @codec: the codec instance
@@ -161,7 +176,7 @@ static int cs8409_i2c_read(struct hda_codec *codec, unsigned int i2c_address, un
 		return -EPERM;
 
 	cs8409_enable_i2c_clock(codec);
-	cs8409_vendor_coef_set(codec, CS8409_I2C_ADDR, i2c_address);
+	cs8409_set_i2c_dev_addr(codec, i2c_address);
 
 	if (paged) {
 		cs8409_vendor_coef_set(codec, CS8409_I2C_QWRITE, i2c_reg >> 8);
@@ -207,7 +222,7 @@ static int cs8409_i2c_write(struct hda_codec *codec, unsigned int i2c_address, u
 		return -EPERM;
 
 	cs8409_enable_i2c_clock(codec);
-	cs8409_vendor_coef_set(codec, CS8409_I2C_ADDR, i2c_address);
+	cs8409_set_i2c_dev_addr(codec, i2c_address);
 
 	if (paged) {
 		cs8409_vendor_coef_set(codec, CS8409_I2C_QWRITE, i2c_reg >> 8);
diff --git a/sound/pci/hda/patch_cs8409.h b/sound/pci/hda/patch_cs8409.h
index 542582c213d2..c2c208218e34 100644
--- a/sound/pci/hda/patch_cs8409.h
+++ b/sound/pci/hda/patch_cs8409.h
@@ -281,6 +281,7 @@ struct cs8409_spec {
 
 	struct mutex cs8409_i2c_mux;
 	unsigned int i2c_clck_enabled;
+	unsigned int dev_addr;
 	struct delayed_work i2c_clk_work;
 
 	/* verb exec op override */
-- 
2.25.1


  parent reply	other threads:[~2021-07-30 15:19 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-30 15:18 [PATCH v3 00/27] ALSA: hda/cirrus: Split generic cirrus HDA codecs and CS8490 bridge into separate modules Vitaly Rodionov
2021-07-30 15:18 ` [PATCH v3 01/27] ALSA: hda/cirrus: Move CS8409 HDA bridge to separate module Vitaly Rodionov
2021-07-30 15:18 ` [PATCH v3 02/27] ALSA: hda/cs8409: Move arrays of configuration to a new file Vitaly Rodionov
2021-07-30 15:18 ` [PATCH v3 03/27] ALSA: hda/cs8409: Use enums for register names and coefficients Vitaly Rodionov
2021-07-30 15:18 ` [PATCH v3 04/27] ALSA: hda/cs8409: Mask all CS42L42 interrupts on initialization Vitaly Rodionov
2021-07-30 15:18 ` [PATCH v3 05/27] ALSA: hda/cs8409: Reduce HS pops/clicks for Cyborg Vitaly Rodionov
2021-07-30 15:18 ` [PATCH v3 06/27] ALSA: hda/cs8409: Disable unnecessary Ring Sense for Cyborg/Warlock/Bullseye Vitaly Rodionov
2021-07-30 15:18 ` [PATCH v3 07/27] ALSA: hda/cs8409: Disable unsolicited responses during suspend Vitaly Rodionov
2021-07-30 15:18 ` [PATCH v3 08/27] ALSA: hda/cs8409: Disable unsolicited response for the first boot Vitaly Rodionov
2021-07-30 15:18 ` [PATCH v3 09/27] ALSA: hda/cs8409: Mask CS42L42 wake events Vitaly Rodionov
2021-07-30 15:18 ` [PATCH v3 10/27] ALSA: hda/cs8409: Simplify CS42L42 jack detect Vitaly Rodionov
2021-07-30 15:18 ` [PATCH v3 11/27] ALSA: hda/cs8409: Prevent I2C access during suspend time Vitaly Rodionov
2021-07-30 15:18 ` [PATCH v3 12/27] ALSA: hda/cs8409: Generalize volume controls Vitaly Rodionov
2021-07-30 15:18 ` [PATCH v3 13/27] ALSA: hda/cs8409: Dont disable I2C clock between consecutive accesses Vitaly Rodionov
2021-08-01  8:03   ` Takashi Iwai
2021-08-11 18:33     ` Vitaly Rodionov
2021-07-30 15:18 ` Vitaly Rodionov [this message]
2021-07-30 15:18 ` [PATCH v3 15/27] ALSA: hda/cs8409: Avoid re-setting the same page as the last access Vitaly Rodionov
2021-07-30 15:18 ` [PATCH v3 16/27] ALSA: hda/cs8409: Support i2c bulk read/write functions Vitaly Rodionov
2021-07-30 15:18 ` [PATCH v3 17/27] ALSA: hda/cs8409: Separate CS8409, CS42L42 and project functions Vitaly Rodionov
2021-07-30 15:18 ` [PATCH v3 18/27] ALSA: hda/cs8409: Move codec properties to its own struct Vitaly Rodionov
2021-07-30 15:18 ` [PATCH v3 19/27] ALSA: hda/cs8409: Support multiple sub_codecs for Suspend/Resume/Unsol events Vitaly Rodionov
2021-07-30 15:18 ` [PATCH v3 20/27] ALSA: hda/cs8409: Add Support to disable jack type detection for CS42L42 Vitaly Rodionov
2021-07-30 15:18 ` [PATCH v3 21/27] ALSA: hda/cs8409: Add support for dolphin Vitaly Rodionov
2021-07-30 15:18 ` [PATCH v3 22/27] ALSA: hda/cs8409: Enable Full Scale Volume for Line Out Codec on Dolphin Vitaly Rodionov
2021-07-30 15:18 ` [PATCH v3 23/27] ALSA: hda/cs8409: Set fixed sample rate of 48kHz for CS42L42 Vitaly Rodionov
2021-07-30 15:18 ` [PATCH v3 24/27] ALSA: hda/cs8409: Use timeout rather than retries for I2C transaction waits Vitaly Rodionov
2021-07-30 15:18 ` [PATCH v3 25/27] ALSA: hda/cs8409: Remove unnecessary delays Vitaly Rodionov
2021-07-30 15:18 ` [PATCH v3 26/27] ALSA: hda/cs8409: Follow correct CS42L42 power down sequence for suspend Vitaly Rodionov
2021-07-30 15:18 ` [PATCH v3 27/27] ALSA: hda/cs8409: Unmute/Mute codec when stream starts/stops Vitaly Rodionov

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