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Wed, 17 Jul 2019 16:30:54 +0000 Received: from AM6PR05MB6535.eurprd05.prod.outlook.com ([fe80::c860:b386:22a:8ec9]) by AM6PR05MB6535.eurprd05.prod.outlook.com ([fe80::c860:b386:22a:8ec9%6]) with mapi id 15.20.2094.011; Wed, 17 Jul 2019 16:30:54 +0000 From: Oleksandr Suvorov To: Fabio Estevam Thread-Topic: [PATCH v4 6/6] ASoC: sgtl5000: Fix charge pump source assignment Thread-Index: AQHVPL0B+q/A+n5bN0Kf42jiqIXQuQ== Date: Wed, 17 Jul 2019 16:30:54 +0000 Message-ID: <20190717163014.429-7-oleksandr.suvorov@toradex.com> References: <20190717163014.429-1-oleksandr.suvorov@toradex.com> In-Reply-To: <20190717163014.429-1-oleksandr.suvorov@toradex.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: AM3PR07CA0082.eurprd07.prod.outlook.com (2603:10a6:207:6::16) To AM6PR05MB6535.eurprd05.prod.outlook.com (2603:10a6:20b:71::16) authentication-results: spf=none (sender IP is ) smtp.mailfrom=oleksandr.suvorov@toradex.com; x-ms-exchange-messagesentrepresentingtype: 1 x-mailer: git-send-email 2.20.1 x-originating-ip: [194.105.145.90] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 770b3b11-bf38-489b-7aeb-08d70ad423bd x-microsoft-antispam: BCL:0; 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SCL:1; SRVR:AM6PR05MB4455; H:AM6PR05MB6535.eurprd05.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; MX:1; A:1; received-spf: None (protection.outlook.com: toradex.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: 4NKyXphBDfnNA/oSAAZOuzi1zCxofok/9mAGjGlIEf8Ro2psjbOxQIfUYkXiddUTBops5JWNOjJgSXOdW/ukqk9+tx3zdnWJuZAAiLX7BkZhmvsU56VlxkNjEBqO9N4hEwOTdAtdjMEugbPIEJV3Yckk7rlqnTrWAFABXQ+HQKBAsPWzB5AQRfuuxBzBhzko1ZsaYt5iLx89hxvgYBQzRP/zSOs2dY4phZo5RXtdVf0gMoE2/Rcr7ZZgbGQULkq1zphDt/VreP7jhj72iAxmOUVIk2TkbFGa3uwpT9huah1XNfFO9IxxnZEo5Ht7GiEnhCrdmV7DPdjO/F1WBKMKpIdaKbkwzvEg4q3c4fYp5lLcumvKwJG7et361jDPq6XSYhbTBUWTxMFvpiJVpa5KO6RUmAWBIszXpOzlZIYxakY= MIME-Version: 1.0 X-OriginatorOrg: toradex.com X-MS-Exchange-CrossTenant-Network-Message-Id: 770b3b11-bf38-489b-7aeb-08d70ad423bd X-MS-Exchange-CrossTenant-originalarrivaltime: 17 Jul 2019 16:30:54.6018 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: d9995866-0d9b-4251-8315-093f062abab4 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: oleksandr.suvorov@toradex.com X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM6PR05MB4455 Cc: Igor Opaniuk , "alsa-devel@alsa-project.org" , Liam Girdwood , Marcel Ziswiler , Takashi Iwai , "linux-kernel@vger.kernel.org" , Oleksandr Suvorov , Mark Brown Subject: [alsa-devel] [PATCH v4 6/6] ASoC: sgtl5000: Fix charge pump source assignment 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" X-Virus-Scanned: ClamAV using ClamSMTP If VDDA != VDDIO and any of them is greater than 3.1V, charge pump source can be assigned automatically [1]. [1] https://www.nxp.com/docs/en/data-sheet/SGTL5000.pdf Signed-off-by: Oleksandr Suvorov Reviewed-by: Marcel Ziswiler Reviewed-by: Igor Opaniuk Reviewed-by: Fabio Estevam --- Changes in v4: None Changes in v3: - Add the reference to NXP SGTL5000 data sheet to commit message - Fix multi-line comment format Changes in v2: - Fix patch formatting sound/soc/codecs/sgtl5000.c | 15 ++++++++++----- 1 file changed, 10 insertions(+), 5 deletions(-) diff --git a/sound/soc/codecs/sgtl5000.c b/sound/soc/codecs/sgtl5000.c index 31d546abde717..a04cba66615de 100644 --- a/sound/soc/codecs/sgtl5000.c +++ b/sound/soc/codecs/sgtl5000.c @@ -1328,12 +1328,17 @@ static int sgtl5000_set_power_regs(struct snd_soc_component *component) SGTL5000_INT_OSC_EN); /* Enable VDDC charge pump */ ana_pwr |= SGTL5000_VDDC_CHRGPMP_POWERUP; - } else if (vddio >= 3100 && vdda >= 3100) { + } else { ana_pwr &= ~SGTL5000_VDDC_CHRGPMP_POWERUP; - /* VDDC use VDDIO rail */ - lreg_ctrl |= SGTL5000_VDDC_ASSN_OVRD; - lreg_ctrl |= SGTL5000_VDDC_MAN_ASSN_VDDIO << - SGTL5000_VDDC_MAN_ASSN_SHIFT; + /* + * if vddio == vdda the source of charge pump should be + * assigned manually to VDDIO + */ + if (vddio == vdda) { + lreg_ctrl |= SGTL5000_VDDC_ASSN_OVRD; + lreg_ctrl |= SGTL5000_VDDC_MAN_ASSN_VDDIO << + SGTL5000_VDDC_MAN_ASSN_SHIFT; + } } snd_soc_component_write(component, SGTL5000_CHIP_LINREG_CTRL, lreg_ctrl);