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Tue, 27 Jul 2021 16:48:55 +0800 Received: from localhost.localdomain (172.22.102.1) by RTEXMBS01.realtek.com.tw (172.21.6.94) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2106.2; Tue, 27 Jul 2021 16:48:55 +0800 From: To: , Subject: [PATCH] ASoC: rt5682: enable SAR ADC power saving mode during suspend Date: Tue, 27 Jul 2021 16:48:46 +0800 Message-ID: <20210727084846.9867-1-shumingf@realtek.com> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 X-Originating-IP: [172.22.102.1] X-ClientProxiedBy: RTEXMBS01.realtek.com.tw (172.21.6.94) To RTEXMBS01.realtek.com.tw (172.21.6.94) X-KSE-ServerInfo: RTEXMBS01.realtek.com.tw, 9 X-KSE-AntiSpam-Interceptor-Info: trusted connection X-KSE-Antiphishing-Info: Clean X-KSE-Antiphishing-ScanningType: Deterministic X-KSE-Antiphishing-Method: None X-KSE-Antiphishing-Bases: 07/27/2021 08:27:00 X-KSE-AttachmentFiltering-Interceptor-Info: no applicable attachment filtering rules found X-KSE-Antivirus-Interceptor-Info: scan successful X-KSE-Antivirus-Info: =?big5_tw?b?Q2xlYW4sIGJhc2VzOiAyMDIxLzcvMjcgpFekyCAwNjow?= =?big5_tw?b?MDowMA==?= X-KSE-BulkMessagesFiltering-Scan-Result: protection disabled X-KSE-ServerInfo: RTEXH36502.realtek.com.tw, 9 X-KSE-Attachment-Filter-Triggered-Rules: Clean X-KSE-Attachment-Filter-Triggered-Filters: Clean X-KSE-BulkMessagesFiltering-Scan-Result: protection disabled X-KSE-AntiSpam-Outbound-Interceptor-Info: scan successful X-KSE-AntiSpam-Version: 5.9.20, Database issued on: 07/27/2021 08:34:55 X-KSE-AntiSpam-Status: KAS_STATUS_NOT_DETECTED X-KSE-AntiSpam-Method: none X-KSE-AntiSpam-Rate: 0 X-KSE-AntiSpam-Info: Lua profiles 165259 [Jul 27 2021] X-KSE-AntiSpam-Info: Version: 5.9.20.0 X-KSE-AntiSpam-Info: Envelope from: shumingf@realtek.com X-KSE-AntiSpam-Info: LuaCore: 449 449 5db59deca4a4f5e6ea34a93b13bc730e229092f4 X-KSE-AntiSpam-Info: {Tracking_from_domain_doesnt_match_to} X-KSE-AntiSpam-Info: realtek.com:7.1.1; 127.0.0.199:7.1.2; d41d8cd98f00b204e9800998ecf8427e.com:7.1.1 X-KSE-AntiSpam-Info: Rate: 0 X-KSE-AntiSpam-Info: Status: not_detected X-KSE-AntiSpam-Info: Method: none X-KSE-AntiSpam-Info: Auth:dkim=none X-KSE-Antiphishing-Info: Clean X-KSE-Antiphishing-ScanningType: Heuristic X-KSE-Antiphishing-Method: None X-KSE-Antiphishing-Bases: 07/27/2021 08:38:00 Cc: oder_chiou@realtek.com, jack.yu@realtek.com, alsa-devel@alsa-project.org, lars@metafoo.de, albertchen@realtek.com, derek.fang@realtek.com, sathyanarayana.nujella@intel.com, Shuming Fan , flove@realtek.com X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" From: Shuming Fan The SAR ADC power saving mode could reduce power consumption on MICVDD rail. Therefore, this patch saves power consumption during suspend state if the headset was connected. Signed-off-by: Shuming Fan --- sound/soc/codecs/rt5682.c | 44 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) diff --git a/sound/soc/codecs/rt5682.c b/sound/soc/codecs/rt5682.c index 51ecaa2abcd1..7dc01ae6bb66 100644 --- a/sound/soc/codecs/rt5682.c +++ b/sound/soc/codecs/rt5682.c @@ -2916,10 +2916,46 @@ static void rt5682_remove(struct snd_soc_component *component) static int rt5682_suspend(struct snd_soc_component *component) { struct rt5682_priv *rt5682 = snd_soc_component_get_drvdata(component); + unsigned int val; if (rt5682->is_sdw) return 0; + cancel_delayed_work_sync(&rt5682->jack_detect_work); + cancel_delayed_work_sync(&rt5682->jd_check_work); + if (rt5682->hs_jack && rt5682->jack_type == SND_JACK_HEADSET) { + snd_soc_component_update_bits(component, RT5682_CBJ_CTRL_1, + RT5682_MB1_PATH_MASK | RT5682_MB2_PATH_MASK, + RT5682_CTRL_MB1_REG | RT5682_CTRL_MB2_REG); + val = snd_soc_component_read(component, + RT5682_CBJ_CTRL_2) & RT5682_JACK_TYPE_MASK; + + switch (val) { + case 0x1: + snd_soc_component_update_bits(component, RT5682_SAR_IL_CMD_1, + RT5682_SAR_SEL_MB1_MASK | RT5682_SAR_SEL_MB2_MASK, + RT5682_SAR_SEL_MB1_NOSEL | RT5682_SAR_SEL_MB2_SEL); + break; + case 0x2: + snd_soc_component_update_bits(component, RT5682_SAR_IL_CMD_1, + RT5682_SAR_SEL_MB1_MASK | RT5682_SAR_SEL_MB2_MASK, + RT5682_SAR_SEL_MB1_SEL | RT5682_SAR_SEL_MB2_NOSEL); + break; + default: + break; + } + + snd_soc_component_update_bits(component, RT5682_PWR_ANLG_3, + RT5682_PWR_CBJ, 0); + + /* enter SAR ADC power saving mode */ + snd_soc_component_update_bits(component, RT5682_SAR_IL_CMD_1, + RT5682_SAR_BUTT_DET_MASK | RT5682_SAR_BUTDET_MODE_MASK | RT5682_SAR_BUTDET_RST_MASK, 0); + snd_soc_component_update_bits(component, RT5682_SAR_IL_CMD_1, + RT5682_SAR_BUTT_DET_MASK | RT5682_SAR_BUTDET_MODE_MASK | RT5682_SAR_BUTDET_RST_MASK, + RT5682_SAR_BUTT_DET_EN | RT5682_SAR_BUTDET_POW_SAV | RT5682_SAR_BUTDET_RST_NORMAL); + } + regcache_cache_only(rt5682->regmap, true); regcache_mark_dirty(rt5682->regmap); return 0; @@ -2935,6 +2971,14 @@ static int rt5682_resume(struct snd_soc_component *component) regcache_cache_only(rt5682->regmap, false); regcache_sync(rt5682->regmap); + if (rt5682->hs_jack && rt5682->jack_type == SND_JACK_HEADSET) { + snd_soc_component_update_bits(component, RT5682_CBJ_CTRL_1, + RT5682_MB1_PATH_MASK | RT5682_MB2_PATH_MASK, + RT5682_CTRL_MB1_FSM | RT5682_CTRL_MB2_FSM); + snd_soc_component_update_bits(component, RT5682_PWR_ANLG_3, + RT5682_PWR_CBJ, RT5682_PWR_CBJ); + } + mod_delayed_work(system_power_efficient_wq, &rt5682->jack_detect_work, msecs_to_jiffies(250));