From: Ben Dooks <ben.dooks@codethink.co.uk> To: linux-tegra@vger.kernel.org, alsa-devel@alsa-project.org, Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.com>, Liam Girdwood <lgirdwood@gmail.com>, Mark Brown <broonie@kernel.org>, Thierry Reding <thierry.reding@gmail.com>, Jonathan Hunter <jonathanh@nvidia.com> Cc: linux-kernel@lists.codethink.co.uk, Ben Dooks <ben.dooks@codethink.co.uk> Subject: [PATCH 4/8] ASoC: tegra: disable rx_fifo after disable stream Date: Tue, 17 Sep 2019 19:12:29 +0100 [thread overview] Message-ID: <20190917181233.534-5-ben.dooks@codethink.co.uk> (raw) In-Reply-To: <20190917181233.534-1-ben.dooks@codethink.co.uk> We see odd FIFO overruns with this, we assume the best thing to do is to disable the RX I2S frontend first, and then disable the FIFO that is using it. This also fixes an issue where using multi-word frames (TDM) have partial samples stuck in the FIFO which then get read out when the next capture is started. Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk> --- sound/soc/tegra/tegra30_i2s.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/soc/tegra/tegra30_i2s.c b/sound/soc/tegra/tegra30_i2s.c index 40bcc05a9dbb..4222839b63bd 100644 --- a/sound/soc/tegra/tegra30_i2s.c +++ b/sound/soc/tegra/tegra30_i2s.c @@ -236,9 +236,9 @@ static void tegra30_i2s_start_capture(struct tegra30_i2s *i2s) static void tegra30_i2s_stop_capture(struct tegra30_i2s *i2s) { - tegra30_ahub_disable_rx_fifo(i2s->capture_fifo_cif); regmap_update_bits(i2s->regmap, TEGRA30_I2S_CTRL, TEGRA30_I2S_CTRL_XFER_EN_RX, 0); + tegra30_ahub_disable_rx_fifo(i2s->capture_fifo_cif); } static int tegra30_i2s_trigger(struct snd_pcm_substream *substream, int cmd, -- 2.23.0
WARNING: multiple messages have this Message-ID (diff)
From: Ben Dooks <ben.dooks@codethink.co.uk> To: linux-tegra@vger.kernel.org, alsa-devel@alsa-project.org, Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.com>, Liam Girdwood <lgirdwood@gmail.com>, Mark Brown <broonie@kernel.org>, Thierry Reding <thierry.reding@gmail.com>, Jonathan Hunter <jonathanh@nvidia.com> Cc: linux-kernel@lists.codethink.co.uk, Ben Dooks <ben.dooks@codethink.co.uk> Subject: [alsa-devel] [PATCH 4/8] ASoC: tegra: disable rx_fifo after disable stream Date: Tue, 17 Sep 2019 19:12:29 +0100 [thread overview] Message-ID: <20190917181233.534-5-ben.dooks@codethink.co.uk> (raw) In-Reply-To: <20190917181233.534-1-ben.dooks@codethink.co.uk> We see odd FIFO overruns with this, we assume the best thing to do is to disable the RX I2S frontend first, and then disable the FIFO that is using it. This also fixes an issue where using multi-word frames (TDM) have partial samples stuck in the FIFO which then get read out when the next capture is started. Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk> --- sound/soc/tegra/tegra30_i2s.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/soc/tegra/tegra30_i2s.c b/sound/soc/tegra/tegra30_i2s.c index 40bcc05a9dbb..4222839b63bd 100644 --- a/sound/soc/tegra/tegra30_i2s.c +++ b/sound/soc/tegra/tegra30_i2s.c @@ -236,9 +236,9 @@ static void tegra30_i2s_start_capture(struct tegra30_i2s *i2s) static void tegra30_i2s_stop_capture(struct tegra30_i2s *i2s) { - tegra30_ahub_disable_rx_fifo(i2s->capture_fifo_cif); regmap_update_bits(i2s->regmap, TEGRA30_I2S_CTRL, TEGRA30_I2S_CTRL_XFER_EN_RX, 0); + tegra30_ahub_disable_rx_fifo(i2s->capture_fifo_cif); } static int tegra30_i2s_trigger(struct snd_pcm_substream *substream, int cmd, -- 2.23.0 _______________________________________________ Alsa-devel mailing list Alsa-devel@alsa-project.org https://mailman.alsa-project.org/mailman/listinfo/alsa-devel
next prev parent reply other threads:[~2019-09-17 18:12 UTC|newest] Thread overview: 68+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-09-17 18:12 RFC: TDM mode support on the tegra30 Ben Dooks 2019-09-17 18:12 ` [alsa-devel] " Ben Dooks 2019-09-17 18:12 ` [PATCH 1/8] ASoC: tegra: Add a TDM configuration callback Ben Dooks 2019-09-17 18:12 ` [alsa-devel] " Ben Dooks 2019-09-17 18:22 ` Pierre-Louis Bossart 2019-09-17 18:22 ` [alsa-devel] " Pierre-Louis Bossart 2019-09-18 8:42 ` Jon Hunter 2019-09-18 8:42 ` [alsa-devel] " Jon Hunter 2019-09-18 10:11 ` Ben Dooks 2019-09-18 10:11 ` [alsa-devel] " Ben Dooks 2019-09-18 10:25 ` Jon Hunter 2019-09-18 10:25 ` [alsa-devel] " Jon Hunter 2019-09-18 10:48 ` Mark Brown 2019-09-18 10:48 ` [alsa-devel] " Mark Brown 2019-09-18 11:44 ` Ben Dooks 2019-09-18 11:44 ` [alsa-devel] " Ben Dooks 2019-09-18 13:33 ` Pierre-Louis Bossart 2019-09-18 13:33 ` [alsa-devel] " Pierre-Louis Bossart 2019-09-18 15:02 ` Mark Brown 2019-09-18 15:02 ` [alsa-devel] " Mark Brown 2019-09-17 18:12 ` [PATCH 2/8] ASoC: tegra: Allow 24bit and 32bit samples Ben Dooks 2019-09-17 18:12 ` [alsa-devel] " Ben Dooks 2019-09-17 18:26 ` Pierre-Louis Bossart 2019-09-17 18:26 ` [alsa-devel] " Pierre-Louis Bossart 2019-09-18 7:44 ` Ben Dooks 2019-09-18 7:44 ` [alsa-devel] " Ben Dooks 2019-09-18 10:08 ` Mark Brown 2019-09-18 10:08 ` [alsa-devel] " Mark Brown 2019-09-18 11:50 ` Ben Dooks 2019-09-18 11:50 ` [alsa-devel] " Ben Dooks 2019-09-18 12:05 ` Mark Brown 2019-09-18 12:05 ` [alsa-devel] " Mark Brown 2019-09-17 18:12 ` [PATCH 3/8] ASoC: tegra: i2s: Add support for more than 2 channels Ben Dooks 2019-09-17 18:12 ` [alsa-devel] " Ben Dooks 2019-09-18 8:50 ` Jon Hunter 2019-09-18 8:50 ` [alsa-devel] " Jon Hunter 2019-09-18 10:12 ` Ben Dooks 2019-09-18 10:12 ` [alsa-devel] " Ben Dooks 2019-09-17 18:12 ` Ben Dooks [this message] 2019-09-17 18:12 ` [alsa-devel] [PATCH 4/8] ASoC: tegra: disable rx_fifo after disable stream Ben Dooks 2019-09-17 18:12 ` [PATCH 5/8] ASoC: tegra: set edge mode for TDM correctly Ben Dooks 2019-09-17 18:12 ` [alsa-devel] " Ben Dooks 2019-09-17 19:33 ` kbuild test robot 2019-09-17 19:33 ` [alsa-devel] " kbuild test robot 2019-09-18 8:54 ` Jon Hunter 2019-09-18 8:54 ` [alsa-devel] " Jon Hunter 2019-09-18 9:02 ` Jon Hunter 2019-09-18 9:02 ` [alsa-devel] " Jon Hunter 2019-09-18 10:15 ` Ben Dooks 2019-09-18 10:15 ` [alsa-devel] " Ben Dooks 2019-09-17 18:12 ` [PATCH 6/8] ASoC: tegra: set i2s_offset to 0 for tdm Ben Dooks 2019-09-17 18:12 ` [alsa-devel] " Ben Dooks 2019-09-18 9:02 ` Jon Hunter 2019-09-18 9:02 ` [alsa-devel] " Jon Hunter 2019-09-18 11:30 ` Ben Dooks 2019-09-18 11:30 ` [alsa-devel] " Ben Dooks 2019-09-17 18:12 ` [PATCH 7/8] ASoC: tegra: config fifos on hw_param changes Ben Dooks 2019-09-17 18:12 ` [alsa-devel] " Ben Dooks 2019-09-18 9:14 ` Jon Hunter 2019-09-18 9:14 ` [alsa-devel] " Jon Hunter 2019-09-18 11:41 ` Ben Dooks 2019-09-18 11:41 ` [alsa-devel] " Ben Dooks 2019-09-17 18:12 ` [PATCH 8/8] ASoC: tegra: take packing settings from the audio cif_config Ben Dooks 2019-09-17 18:12 ` [alsa-devel] " Ben Dooks 2019-09-18 9:16 ` Jon Hunter 2019-09-18 9:16 ` [alsa-devel] " Jon Hunter 2019-09-18 10:02 ` Sameer Pujar 2019-09-18 10:02 ` [alsa-devel] " Sameer Pujar
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