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received-spf: None (protection.outlook.com: microchip.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: e8wmC1igKJ9cJX1Pd1eOmfRUu9c3QPCqjh+IqA5Bah/DYKpP4m1dkRScn5VCE0stXZH9DX3zglytvHJYaZy5XqxVQDj48vmhlaDZMbUy98Cgi2I6siLt+bk8w1Cs3epUvjD01p07y/a4cRhPiU/GDAAkidqX4fWhCjvpvvKH+3vrqlO6pO6I12vo+UTVyF7bMT8Ni5vQ5WVLTxCwkPkDvVDw/BDX0YL+deKzjRD0ME/b5iSSWyLneILfZcTBFIcNeOYZXjOnW1PyXDbhnN+cI9yWyp4sp4SFggOrEIVZ8XOtMy6FTIIGAybaNOp0cr9CA+hZ1bnLDZcGIYsbEYCo9l7oYdL2D/HFmo17PVyx/5Hg64a0WOBCjuSqXOVVxJgwK+hWyjswV4cfyY4qlgAyvc8lnVTnefYegDMOJJLqTWk= Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-Network-Message-Id: 8290a2d5-538f-4403-6029-08d695bb9b83 X-MS-Exchange-CrossTenant-originalarrivaltime: 18 Feb 2019 16:10:30.6003 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-id: 3f4057f3-b418-4d4e-ba84-d55b4e897d88 X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY4PR11MB1448 X-OriginatorOrg: microchip.com Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Codrin Ciubotariu By default, the codec starts to interpret the left (first) channel on the falling edge (low polarity) of LRCLK. However, for DSP_A, the left channel needs to start on the rising edge of LRCLK. This patch fixes this channel swap by toggling the bit which selects the LRCLK polarity. Signed-off-by: Codrin Ciubotariu --- sound/soc/codecs/ad193x.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/sound/soc/codecs/ad193x.c b/sound/soc/codecs/ad193x.c index c16c9969d1a0..315ec9775118 100644 --- a/sound/soc/codecs/ad193x.c +++ b/sound/soc/codecs/ad193x.c @@ -228,6 +228,12 @@ static int ad193x_set_dai_fmt(struct snd_soc_dai *code= c_dai, return -EINVAL; } =20 + /* For DSP_*, LRCLK's polarity must be inverted */ + if (fmt & SND_SOC_DAIFMT_DSP_A) { + change_bit(ffs(AD193X_DAC_LEFT_HIGH) - 1, + (unsigned long *)&dac_fmt); + } + switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { case SND_SOC_DAIFMT_CBM_CFM: /* codec clk & frm master */ adc_fmt |=3D AD193X_ADC_LCR_MASTER; --=20 2.17.1