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SCL:1; SRVR:AM6PR05MB5508; H:AM6PR05MB6535.eurprd05.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; A:1; MX: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: S67N53762aDFk3ciIRPuW8VCar/1BSbW8uVjiq1BNttakX4AaQCwq1wjmL+it/qfwtqG5vyr/dDaK7Z0LPy5jAt9hqlFZsWjSdtBAGksH/upZxu6cpcZMDFBH7bLXOpukIFYlAwc/aHgcOge4phfZAjhgq0jmzguyjK7wA/bOnqRG3xb70DJ0c4S6bpCnRc+PEWeTDwODJwh512fjAT+92c6wcKtDEr7V45/6IjBzZZ7/vWJodvkepxXtIpTTcmEX+JDMGSKGePJlFzDWjvlJhD1Lfu2r9yR4MFFkH01qLwGrqgt/avVrpWoR2oLqaG4xtb0oN2zuG4JCf0yyTR19JAleo6wtdJiXnmEoJPjB6kIne789DrHiy4oM+B2ADH2ZWYjLnx6YWl8pNC93aZZjVh/uEtxuhfd/+t2elY0Vrc= MIME-Version: 1.0 X-OriginatorOrg: toradex.com X-MS-Exchange-CrossTenant-Network-Message-Id: d1b1d360-6816-4664-45a8-08d706d91040 X-MS-Exchange-CrossTenant-originalarrivaltime: 12 Jul 2019 14:56:04.8650 (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: AM6PR05MB5508 Cc: Igor Opaniuk , Liam Girdwood , Marcel Ziswiler , Takashi Iwai , "alsa-devel@alsa-project.org" , "linux-kernel@vger.kernel.org" , Oleksandr Suvorov , Mark Brown Subject: [alsa-devel] [PATCH v3 4/6] 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 --- 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 e813a37910af4..c256162750d16 100644 --- a/sound/soc/codecs/sgtl5000.c +++ b/sound/soc/codecs/sgtl5000.c @@ -1174,12 +1174,17 @@ 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);