From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ben Dooks Subject: [PATCH v2 5/7] ASoC: tegra: set i2s_offset to 0 for tdm Date: Mon, 23 Sep 2019 17:20:24 +0100 Message-ID: <20190923162026.14882-6-ben.dooks@codethink.co.uk> References: <20190923162026.14882-1-ben.dooks@codethink.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20190923162026.14882-1-ben.dooks@codethink.co.uk> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" To: linux-tegra@vger.kernel.org, alsa-devel@alsa-project.org, Jaroslav Kysela , Takashi Iwai , Liam Girdwood , Mark Brown , Thierry Reding , Jonathan Hunter Cc: linux-kernel@lists.codethink.co.uk, Ben Dooks List-Id: linux-tegra@vger.kernel.org Set the offset to 0 for TDM mode, as per the current setup. Note we also move the data offset programming to the i2s hw_parameters call as per the suggestion from Jon Hunter. Signed-off-by: Ben Dooks --- v2: - fix the review comments and move the i2s offset setting --- sound/soc/tegra/tegra30_i2s.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-) diff --git a/sound/soc/tegra/tegra30_i2s.c b/sound/soc/tegra/tegra30_i2s.c index 1cc43cdd0eee..01463803285d 100644 --- a/sound/soc/tegra/tegra30_i2s.c +++ b/sound/soc/tegra/tegra30_i2s.c @@ -66,7 +66,7 @@ static int tegra30_i2s_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) { struct tegra30_i2s *i2s = snd_soc_dai_get_drvdata(dai); - unsigned int mask = 0, val = 0; + unsigned int mask = 0, val = 0, data_offset = 1; unsigned int ch_mask, ch_val = 0; switch (fmt & SND_SOC_DAIFMT_INV_MASK) { @@ -95,11 +95,13 @@ static int tegra30_i2s_set_fmt(struct snd_soc_dai *dai, ch_val = TEGRA30_I2S_CH_CTRL_EGDE_CTRL_NEG_EDGE; val |= TEGRA30_I2S_CTRL_FRAME_FORMAT_FSYNC; val |= TEGRA30_I2S_CTRL_LRCK_L_LOW; + data_offset = 0; break; case SND_SOC_DAIFMT_DSP_B: ch_val = TEGRA30_I2S_CH_CTRL_EGDE_CTRL_NEG_EDGE; val |= TEGRA30_I2S_CTRL_FRAME_FORMAT_FSYNC; val |= TEGRA30_I2S_CTRL_LRCK_R_LOW; + data_offset = 0; break; case SND_SOC_DAIFMT_I2S: val |= TEGRA30_I2S_CTRL_FRAME_FORMAT_LRCK; @@ -120,6 +122,10 @@ static int tegra30_i2s_set_fmt(struct snd_soc_dai *dai, pm_runtime_get_sync(dai->dev); regmap_update_bits(i2s->regmap, TEGRA30_I2S_CTRL, mask, val); regmap_update_bits(i2s->regmap, TEGRA30_I2S_CH_CTRL, ch_mask, ch_val); + val = (data_offset << TEGRA30_I2S_OFFSET_RX_DATA_OFFSET_SHIFT) | + (data_offset << TEGRA30_I2S_OFFSET_TX_DATA_OFFSET_SHIFT); + regmap_write(i2s->regmap, TEGRA30_I2S_OFFSET, val); + pm_runtime_put(dai->dev); return 0; @@ -203,11 +209,6 @@ static int tegra30_i2s_hw_params(struct snd_pcm_substream *substream, } i2s->soc_data->set_audio_cif(i2s->regmap, reg, &cif_conf); - - val = (1 << TEGRA30_I2S_OFFSET_RX_DATA_OFFSET_SHIFT) | - (1 << TEGRA30_I2S_OFFSET_TX_DATA_OFFSET_SHIFT); - regmap_write(i2s->regmap, TEGRA30_I2S_OFFSET, val); - return 0; } -- 2.23.0