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Fri, 19 Jan 2024 03:29:32 -0800 (PST) From: Zhu Ning To: alsa-devel@alsa-project.org, broonie@kernel.org Cc: tiwai@suse.com, amadeuszx.slawinski@linux.intel.com, yangxiaohua@everest-semi.com, zhuning@everest-semi.com, zhangyi@everest-semi.com, Zhu Ning Subject: [PATCH 4/5] ASoC: codecs: ES8326: Minimize the pop noise on headphone Date: Fri, 19 Jan 2024 19:28:57 +0800 Message-Id: <20240119112858.2982-5-zhuning0077@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20240119112858.2982-1-zhuning0077@gmail.com> References: <20240119112858.2982-1-zhuning0077@gmail.com> Message-ID-Hash: LGQZTLACL7JEUJB2DOM2TCSYN3PXBU4Z X-Message-ID-Hash: LGQZTLACL7JEUJB2DOM2TCSYN3PXBU4Z X-MailFrom: zhuning0077@gmail.com X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-alsa-devel.alsa-project.org-0; header-match-alsa-devel.alsa-project.org-1; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header X-Mailman-Version: 3.3.9 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: We modify the register settings to minimize headphone pop noise during ES8326 power-up and music start/stop. Signed-off-by: Zhu Ning --- sound/soc/codecs/es8326.c | 36 ++++++++++++++++++++---------------- 1 file changed, 20 insertions(+), 16 deletions(-) diff --git a/sound/soc/codecs/es8326.c b/sound/soc/codecs/es8326.c index c7f89c990178..fd3e73c4b7e9 100755 --- a/sound/soc/codecs/es8326.c +++ b/sound/soc/codecs/es8326.c @@ -553,7 +553,8 @@ static int es8326_mute(struct snd_soc_dai *dai, int mute, int direction) regmap_write(es8326->regmap, ES8326_HP_CAL, ES8326_HP_OFF); regmap_update_bits(es8326->regmap, ES8326_DAC_MUTE, ES8326_MUTE_MASK, ES8326_MUTE); - regmap_write(es8326->regmap, ES8326_HP_DRIVER, 0xf0); + regmap_update_bits(es8326->regmap, ES8326_HP_DRIVER_REF, + 0x30, 0x00); } else { if (!es8326->calibrated) { regmap_write(es8326->regmap, ES8326_HP_CAL, ES8326_HP_FORCE_CAL); @@ -566,8 +567,13 @@ static int es8326_mute(struct snd_soc_dai *dai, int mute, int direction) regmap_write(es8326->regmap, ES8326_HPR_OFFSET_INI, offset_r); es8326->calibrated = true; } + regmap_update_bits(es8326->regmap, ES8326_DAC_DSM, 0x01, 0x01); + usleep_range(1000, 5000); + regmap_update_bits(es8326->regmap, ES8326_DAC_DSM, 0x01, 0x00); + usleep_range(1000, 5000); + regmap_update_bits(es8326->regmap, ES8326_HP_DRIVER_REF, 0x30, 0x20); + regmap_update_bits(es8326->regmap, ES8326_HP_DRIVER_REF, 0x30, 0x30); regmap_write(es8326->regmap, ES8326_HP_DRIVER, 0xa1); - regmap_write(es8326->regmap, ES8326_HP_VOL, 0x91); regmap_write(es8326->regmap, ES8326_HP_CAL, ES8326_HP_ON); regmap_update_bits(es8326->regmap, ES8326_DAC_MUTE, ES8326_MUTE_MASK, ~(ES8326_MUTE)); @@ -587,23 +593,20 @@ static int es8326_set_bias_level(struct snd_soc_component *codec, if (ret) return ret; - regmap_update_bits(es8326->regmap, ES8326_DAC_DSM, 0x01, 0x00); + regmap_update_bits(es8326->regmap, ES8326_RESET, 0x02, 0x02); + usleep_range(5000, 10000); regmap_write(es8326->regmap, ES8326_INTOUT_IO, es8326->interrupt_clk); regmap_write(es8326->regmap, ES8326_SDINOUT1_IO, (ES8326_IO_DMIC_CLK << ES8326_SDINOUT1_SHIFT)); - regmap_write(es8326->regmap, ES8326_VMIDSEL, 0x0E); regmap_write(es8326->regmap, ES8326_PGA_PDN, 0x40); regmap_write(es8326->regmap, ES8326_ANA_PDN, 0x00); regmap_update_bits(es8326->regmap, ES8326_CLK_CTL, 0x20, 0x20); - - regmap_update_bits(es8326->regmap, ES8326_RESET, - ES8326_CSM_ON, ES8326_CSM_ON); + regmap_update_bits(es8326->regmap, ES8326_RESET, 0x02, 0x00); break; case SND_SOC_BIAS_PREPARE: break; case SND_SOC_BIAS_STANDBY: regmap_write(es8326->regmap, ES8326_ANA_PDN, 0x3b); - regmap_write(es8326->regmap, ES8326_VMIDSEL, 0x00); regmap_update_bits(es8326->regmap, ES8326_CLK_CTL, 0x20, 0x00); regmap_write(es8326->regmap, ES8326_SDINOUT1_IO, ES8326_IO_INPUT); break; @@ -807,6 +810,7 @@ static void es8326_jack_detect_handler(struct work_struct *work) * Don't report jack status. */ regmap_update_bits(es8326->regmap, ES8326_HPDET_TYPE, 0x03, 0x01); + es8326_enable_micbias(es8326->component); usleep_range(50000, 70000); regmap_update_bits(es8326->regmap, ES8326_HPDET_TYPE, 0x03, 0x00); regmap_write(es8326->regmap, ES8326_SYS_BIAS, 0x1f); @@ -850,13 +854,10 @@ static void es8326_jack_detect_handler(struct work_struct *work) static irqreturn_t es8326_irq(int irq, void *dev_id) { struct es8326_priv *es8326 = dev_id; - struct snd_soc_component *comp = es8326->component; if (!es8326->jack) goto out; - es8326_enable_micbias(comp); - if (es8326->jack->status & SND_JACK_HEADSET) queue_delayed_work(system_wq, &es8326->jack_detect_work, msecs_to_jiffies(10)); @@ -973,6 +974,14 @@ static int es8326_resume(struct snd_soc_component *component) regmap_write(es8326->regmap, ES8326_DAC_DSM, 0x08); regmap_write(es8326->regmap, ES8326_DAC_VPPSCALE, 0x15); + regmap_write(es8326->regmap, ES8326_HPDET_TYPE, 0x80 | + ((es8326->version == ES8326_VERSION_B) ? + (ES8326_HP_DET_SRC_PIN9 | es8326->jack_pol) : + (ES8326_HP_DET_SRC_PIN9 | es8326->jack_pol | 0x04))); + usleep_range(5000, 10000); + es8326_enable_micbias(es8326->component); + usleep_range(50000, 70000); + regmap_update_bits(es8326->regmap, ES8326_HPDET_TYPE, 0x03, 0x00); regmap_write(es8326->regmap, ES8326_INT_SOURCE, (ES8326_INT_SRC_PIN9 | ES8326_INT_SRC_BUTTON)); regmap_write(es8326->regmap, ES8326_INTOUT_IO, @@ -989,11 +998,6 @@ static int es8326_resume(struct snd_soc_component *component) regmap_update_bits(es8326->regmap, ES8326_DAC_MUTE, ES8326_MUTE_MASK, ES8326_MUTE); - regmap_write(es8326->regmap, ES8326_HPDET_TYPE, 0x80 | - ((es8326->version == ES8326_VERSION_B) ? - (ES8326_HP_DET_SRC_PIN9 | es8326->jack_pol) : - (ES8326_HP_DET_SRC_PIN9 | es8326->jack_pol | 0x04))); - regmap_write(es8326->regmap, ES8326_HP_VOL, 0x11); es8326->jack_remove_retry = 0; es8326->hp = 0;