July 2017 - Alsa-devel - mailman.alsa-project.org

[alsa-devel] [PATCH 1/8] ASoC: sun4i-codec: Remove unneeded gpiod NULL check
by Fabio Estevam 17 Jul '17

17 Jul '17

From: Fabio Estevam <fabio.estevam(a)nxp.com> The gpiod API checks for NULL descriptors, so there is no need to duplicate the check in the driver. Signed-off-by: Fabio Estevam <fabio.estevam(a)nxp.com> --- sound/soc/sunxi/sun4i-codec.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/sound/soc/sunxi/sun4i-codec.c b/sound/soc/sunxi/sun4i-codec.c index 1500699..4c37231 100644 --- a/sound/soc/sunxi/sun4i-codec.c +++ b/sound/soc/sunxi/sun4i-codec.c @@ -1171,9 +1171,8 @@ static int sun4i_codec_spk_event(struct snd_soc_dapm_widget *w, { struct sun4i_codec *scodec = snd_soc_card_get_drvdata(w->dapm->card); - if (scodec->gpio_pa) - gpiod_set_value_cansleep(scodec->gpio_pa, - !!SND_SOC_DAPM_EVENT_ON(event)); + gpiod_set_value_cansleep(scodec->gpio_pa, + !!SND_SOC_DAPM_EVENT_ON(event)); return 0; } -- 2.7.4

2 15

[alsa-devel] [PATCH v2] ASoC: rt5514: Support the DSP recording continuously after the hotwording triggered
by Oder Chiou 17 Jul '17

17 Jul '17

The patch uses the IRQ to copy the PCM data to userspace continuously after the hotwording triggered from DSP. Signed-off-by: Oder Chiou <oder_chiou(a)realtek.com> --- sound/soc/codecs/rt5514-spi.c | 139 ++++++++++++++++++++++-------------------- sound/soc/codecs/rt5514-spi.h | 7 +-- 2 files changed, 76 insertions(+), 70 deletions(-) diff --git a/sound/soc/codecs/rt5514-spi.c b/sound/soc/codecs/rt5514-spi.c index 7ed62e8..950d1ff 100644 --- a/sound/soc/codecs/rt5514-spi.c +++ b/sound/soc/codecs/rt5514-spi.c @@ -43,9 +43,7 @@ struct rt5514_dsp { struct mutex dma_lock; struct snd_pcm_substream *substream; unsigned int buf_base, buf_limit, buf_rp; - size_t buf_size; - size_t dma_offset; - size_t dsp_offset; + size_t buf_size, get_size, dma_offset; }; static const struct snd_pcm_hardware rt5514_spi_pcm_hardware = { @@ -80,6 +78,8 @@ static void rt5514_spi_copy_work(struct work_struct *work) container_of(work, struct rt5514_dsp, copy_work.work); struct snd_pcm_runtime *runtime; size_t period_bytes, truncated_bytes = 0; + unsigned int cur_wp, remain_data; + u8 buf[8]; mutex_lock(&rt5514_dsp->dma_lock); if (!rt5514_dsp->substream) { @@ -90,8 +90,24 @@ static void rt5514_spi_copy_work(struct work_struct *work) runtime = rt5514_dsp->substream->runtime; period_bytes = snd_pcm_lib_period_bytes(rt5514_dsp->substream); - if (rt5514_dsp->buf_size - rt5514_dsp->dsp_offset < period_bytes) - period_bytes = rt5514_dsp->buf_size - rt5514_dsp->dsp_offset; + if (rt5514_dsp->get_size >= rt5514_dsp->buf_size) { + rt5514_spi_burst_read(RT5514_BUFFER_VOICE_WP, (u8 *)&buf, + sizeof(buf)); + cur_wp = buf[0] | buf[1] << 8 | buf[2] << 16 | + buf[3] << 24; + + if (cur_wp >= rt5514_dsp->buf_rp) + remain_data = (cur_wp - rt5514_dsp->buf_rp); + else + remain_data = + (rt5514_dsp->buf_limit - rt5514_dsp->buf_rp) + + (cur_wp - rt5514_dsp->buf_base); + + if (remain_data < period_bytes) { + schedule_delayed_work(&rt5514_dsp->copy_work, 5); + goto done; + } + } if (rt5514_dsp->buf_rp + period_bytes <= rt5514_dsp->buf_limit) { rt5514_spi_burst_read(rt5514_dsp->buf_rp, @@ -112,24 +128,58 @@ static void rt5514_spi_copy_work(struct work_struct *work) runtime->dma_area + rt5514_dsp->dma_offset + truncated_bytes, period_bytes - truncated_bytes); - rt5514_dsp->buf_rp = rt5514_dsp->buf_base + - period_bytes - truncated_bytes; + rt5514_dsp->buf_rp = rt5514_dsp->buf_base + period_bytes - + truncated_bytes; } + rt5514_dsp->get_size += period_bytes; rt5514_dsp->dma_offset += period_bytes; if (rt5514_dsp->dma_offset >= runtime->dma_bytes) rt5514_dsp->dma_offset = 0; - rt5514_dsp->dsp_offset += period_bytes; - snd_pcm_period_elapsed(rt5514_dsp->substream); - if (rt5514_dsp->dsp_offset < rt5514_dsp->buf_size) - schedule_delayed_work(&rt5514_dsp->copy_work, 5); + schedule_delayed_work(&rt5514_dsp->copy_work, 5); + done: mutex_unlock(&rt5514_dsp->dma_lock); } +static irqreturn_t rt5514_spi_irq(int irq, void *data) +{ + struct rt5514_dsp *rt5514_dsp = data; + u8 buf[8]; + + rt5514_dsp->get_size = 0; + rt5514_dsp->dma_offset = 0; + + /** + * The address area x1800XXXX is the register address, and it cannot + * support spi burst read perfectly. So we use the spi burst read + * individually to make sure the data correctly. + */ + rt5514_spi_burst_read(RT5514_BUFFER_VOICE_BASE, (u8 *)&buf, + sizeof(buf)); + rt5514_dsp->buf_base = buf[0] | buf[1] << 8 | buf[2] << 16 | + buf[3] << 24; + + rt5514_spi_burst_read(RT5514_BUFFER_VOICE_LIMIT, (u8 *)&buf, + sizeof(buf)); + rt5514_dsp->buf_limit = buf[0] | buf[1] << 8 | buf[2] << 16 | + buf[3] << 24; + + rt5514_spi_burst_read(RT5514_BUFFER_VOICE_WP, (u8 *)&buf, + sizeof(buf)); + rt5514_dsp->buf_rp = buf[0] | buf[1] << 8 | buf[2] << 16 | + buf[3] << 24; + + rt5514_dsp->buf_size = rt5514_dsp->buf_limit - rt5514_dsp->buf_base; + + schedule_delayed_work(&rt5514_dsp->copy_work, 0); + + return IRQ_HANDLED; +} + /* PCM for streaming audio from the DSP buffer */ static int rt5514_spi_pcm_open(struct snd_pcm_substream *substream) { @@ -170,59 +220,6 @@ static int rt5514_spi_hw_free(struct snd_pcm_substream *substream) return snd_pcm_lib_free_vmalloc_buffer(substream); } -static int rt5514_spi_prepare(struct snd_pcm_substream *substream) -{ - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct rt5514_dsp *rt5514_dsp = - snd_soc_platform_get_drvdata(rtd->platform); - u8 buf[8]; - - rt5514_dsp->dma_offset = 0; - rt5514_dsp->dsp_offset = 0; - - /** - * The address area x1800XXXX is the register address, and it cannot - * support spi burst read perfectly. So we use the spi burst read - * individually to make sure the data correctly. - */ - rt5514_spi_burst_read(RT5514_BUFFER_VOICE_BASE, (u8 *)&buf, - sizeof(buf)); - rt5514_dsp->buf_base = buf[0] | buf[1] << 8 | buf[2] << 16 | - buf[3] << 24; - - rt5514_spi_burst_read(RT5514_BUFFER_VOICE_LIMIT, (u8 *)&buf, - sizeof(buf)); - rt5514_dsp->buf_limit = buf[0] | buf[1] << 8 | buf[2] << 16 | - buf[3] << 24; - - rt5514_spi_burst_read(RT5514_BUFFER_VOICE_RP, (u8 *)&buf, - sizeof(buf)); - rt5514_dsp->buf_rp = buf[0] | buf[1] << 8 | buf[2] << 16 | - buf[3] << 24; - - rt5514_spi_burst_read(RT5514_BUFFER_VOICE_SIZE, (u8 *)&buf, - sizeof(buf)); - rt5514_dsp->buf_size = buf[0] | buf[1] << 8 | buf[2] << 16 | - buf[3] << 24; - - return 0; -} - -static int rt5514_spi_trigger(struct snd_pcm_substream *substream, int cmd) -{ - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct rt5514_dsp *rt5514_dsp = - snd_soc_platform_get_drvdata(rtd->platform); - - if (cmd == SNDRV_PCM_TRIGGER_START) { - if (rt5514_dsp->buf_base && rt5514_dsp->buf_limit && - rt5514_dsp->buf_rp && rt5514_dsp->buf_size) - schedule_delayed_work(&rt5514_dsp->copy_work, 0); - } - - return 0; -} - static snd_pcm_uframes_t rt5514_spi_pcm_pointer( struct snd_pcm_substream *substream) { @@ -238,8 +235,6 @@ static const struct snd_pcm_ops rt5514_spi_pcm_ops = { .open = rt5514_spi_pcm_open, .hw_params = rt5514_spi_hw_params, .hw_free = rt5514_spi_hw_free, - .trigger = rt5514_spi_trigger, - .prepare = rt5514_spi_prepare, .pointer = rt5514_spi_pcm_pointer, .mmap = snd_pcm_lib_mmap_vmalloc, .page = snd_pcm_lib_get_vmalloc_page, @@ -248,6 +243,7 @@ static const struct snd_pcm_ops rt5514_spi_pcm_ops = { static int rt5514_spi_pcm_probe(struct snd_soc_platform *platform) { struct rt5514_dsp *rt5514_dsp; + int ret; rt5514_dsp = devm_kzalloc(platform->dev, sizeof(*rt5514_dsp), GFP_KERNEL); @@ -257,6 +253,17 @@ static int rt5514_spi_pcm_probe(struct snd_soc_platform *platform) INIT_DELAYED_WORK(&rt5514_dsp->copy_work, rt5514_spi_copy_work); snd_soc_platform_set_drvdata(platform, rt5514_dsp); + if (rt5514_spi->irq) { + ret = devm_request_threaded_irq(&rt5514_spi->dev, + rt5514_spi->irq, NULL, rt5514_spi_irq, + IRQF_TRIGGER_RISING | IRQF_ONESHOT, "rt5514-spi", + rt5514_dsp); + if (ret) + dev_err(&rt5514_spi->dev, + "%s Failed to reguest IRQ: %d\n", __func__, + ret); + } + return 0; } diff --git a/sound/soc/codecs/rt5514-spi.h b/sound/soc/codecs/rt5514-spi.h index f69b1cd..a6434ee 100644 --- a/sound/soc/codecs/rt5514-spi.h +++ b/sound/soc/codecs/rt5514-spi.h @@ -17,10 +17,9 @@ */ #define RT5514_SPI_BUF_LEN 240 -#define RT5514_BUFFER_VOICE_BASE 0x18001034 -#define RT5514_BUFFER_VOICE_LIMIT 0x18001038 -#define RT5514_BUFFER_VOICE_RP 0x1800103c -#define RT5514_BUFFER_VOICE_SIZE 0x18001040 +#define RT5514_BUFFER_VOICE_BASE 0x18000200 +#define RT5514_BUFFER_VOICE_LIMIT 0x18000204 +#define RT5514_BUFFER_VOICE_WP 0x1800020c /* SPI Command */ enum { -- 2.7.4

2 1

[alsa-devel] [PATCH] ASoC: tegra: constify snd_soc_dai_ops structure
by Gustavo A. R. Silva 17 Jul '17

17 Jul '17

This structure is only stored in the ops field of a snd_soc_dai_driver structure. That field is declared const, so snd_soc_dai_ops structures that have this property can be declared as const also. Signed-off-by: Gustavo A. R. Silva <garsilva(a)embeddedor.com> --- 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 b2b279c..0b176ea 100644 --- a/sound/soc/tegra/tegra30_i2s.c +++ b/sound/soc/tegra/tegra30_i2s.c @@ -275,7 +275,7 @@ static int tegra30_i2s_probe(struct snd_soc_dai *dai) return 0; } -static struct snd_soc_dai_ops tegra30_i2s_dai_ops = { +static const struct snd_soc_dai_ops tegra30_i2s_dai_ops = { .set_fmt = tegra30_i2s_set_fmt, .hw_params = tegra30_i2s_hw_params, .trigger = tegra30_i2s_trigger, -- 2.5.0

3 2

[alsa-devel] [PATCH] ASoC: sun8i-codec: constify snd_soc_dai_ops structure
by Gustavo A. R. Silva 17 Jul '17

17 Jul '17

This structure is only stored in the ops field of a snd_soc_dai_driver structure. That field is declared const, so snd_soc_dai_ops structures that have this property can be declared as const also. Signed-off-by: Gustavo A. R. Silva <garsilva(a)embeddedor.com> --- sound/soc/sunxi/sun8i-codec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/soc/sunxi/sun8i-codec.c b/sound/soc/sunxi/sun8i-codec.c index 5723c34..253ae0b 100644 --- a/sound/soc/sunxi/sun8i-codec.c +++ b/sound/soc/sunxi/sun8i-codec.c @@ -341,7 +341,7 @@ static const struct snd_soc_dapm_route sun8i_codec_dapm_routes[] = { "AIF1 Slot 0 Right"}, }; -static struct snd_soc_dai_ops sun8i_codec_dai_ops = { +static const struct snd_soc_dai_ops sun8i_codec_dai_ops = { .hw_params = sun8i_codec_hw_params, .set_fmt = sun8i_set_fmt, }; -- 2.5.0

3 2

[alsa-devel] [PATCH] ASoC: fsl_spdif: constify snd_soc_dai_ops structure
by Gustavo A. R. Silva 17 Jul '17

17 Jul '17

This structure is only stored in the ops field of a snd_soc_dai_driver structure. That field is declared const, so snd_soc_dai_ops structures that have this property can be declared as const also. Signed-off-by: Gustavo A. R. Silva <garsilva(a)embeddedor.com> --- sound/soc/fsl/fsl_spdif.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/soc/fsl/fsl_spdif.c b/sound/soc/fsl/fsl_spdif.c index 1ff467c..7e6cc4d 100644 --- a/sound/soc/fsl/fsl_spdif.c +++ b/sound/soc/fsl/fsl_spdif.c @@ -626,7 +626,7 @@ static int fsl_spdif_trigger(struct snd_pcm_substream *substream, return 0; } -static struct snd_soc_dai_ops fsl_spdif_dai_ops = { +static const struct snd_soc_dai_ops fsl_spdif_dai_ops = { .startup = fsl_spdif_startup, .hw_params = fsl_spdif_hw_params, .trigger = fsl_spdif_trigger, -- 2.5.0

2 1

[alsa-devel] [PATCH] ASoC: fsl_esai: constify snd_soc_dai_ops structure
by Gustavo A. R. Silva 17 Jul '17

17 Jul '17

This structure is only stored in the ops field of a snd_soc_dai_driver structure. That field is declared const, so snd_soc_dai_ops structures that have this property can be declared as const also. Signed-off-by: Gustavo A. R. Silva <garsilva(a)embeddedor.com> --- sound/soc/fsl/fsl_esai.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/soc/fsl/fsl_esai.c b/sound/soc/fsl/fsl_esai.c index 809a069..cef79a1 100644 --- a/sound/soc/fsl/fsl_esai.c +++ b/sound/soc/fsl/fsl_esai.c @@ -620,7 +620,7 @@ static int fsl_esai_trigger(struct snd_pcm_substream *substream, int cmd, return 0; } -static struct snd_soc_dai_ops fsl_esai_dai_ops = { +static const struct snd_soc_dai_ops fsl_esai_dai_ops = { .startup = fsl_esai_startup, .shutdown = fsl_esai_shutdown, .trigger = fsl_esai_trigger, -- 2.5.0

2 1

[alsa-devel] [PATCH] ASoC: fsl_asrc: constify snd_soc_dai_ops structure
by Gustavo A. R. Silva 17 Jul '17

17 Jul '17

This structure is only stored in the ops field of a snd_soc_dai_driver structure. That field is declared const, so snd_soc_dai_ops structures that have this property can be declared as const also. Signed-off-by: Gustavo A. R. Silva <garsilva(a)embeddedor.com> --- sound/soc/fsl/fsl_asrc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/soc/fsl/fsl_asrc.c b/sound/soc/fsl/fsl_asrc.c index 8cfffa7..806d399 100644 --- a/sound/soc/fsl/fsl_asrc.c +++ b/sound/soc/fsl/fsl_asrc.c @@ -542,7 +542,7 @@ static int fsl_asrc_dai_trigger(struct snd_pcm_substream *substream, int cmd, return 0; } -static struct snd_soc_dai_ops fsl_asrc_dai_ops = { +static const struct snd_soc_dai_ops fsl_asrc_dai_ops = { .hw_params = fsl_asrc_dai_hw_params, .hw_free = fsl_asrc_dai_hw_free, .trigger = fsl_asrc_dai_trigger, -- 2.5.0

4 7

[alsa-devel] [PATCH] ASoC: hisilicon: constify snd_soc_dai_ops structure
by Gustavo A. R. Silva 17 Jul '17

17 Jul '17

This structure is only stored in the ops field of a snd_soc_dai_driver structure. That field is declared const, so snd_soc_dai_ops structures that have this property can be declared as const also. Signed-off-by: Gustavo A. R. Silva <garsilva(a)embeddedor.com> --- sound/soc/hisilicon/hi6210-i2s.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/soc/hisilicon/hi6210-i2s.c b/sound/soc/hisilicon/hi6210-i2s.c index b193d3b..0c8f86d 100644 --- a/sound/soc/hisilicon/hi6210-i2s.c +++ b/sound/soc/hisilicon/hi6210-i2s.c @@ -517,7 +517,7 @@ static int hi6210_i2s_dai_probe(struct snd_soc_dai *dai) } -static struct snd_soc_dai_ops hi6210_i2s_dai_ops = { +static const struct snd_soc_dai_ops hi6210_i2s_dai_ops = { .trigger = hi6210_i2s_trigger, .hw_params = hi6210_i2s_hw_params, .set_fmt = hi6210_i2s_set_fmt, -- 2.5.0

2 1

[alsa-devel] [PATCH] ASoC: mediatek: mt2701: constify snd_soc_dai_ops structure
by Gustavo A. R. Silva 17 Jul '17

17 Jul '17

This structure is only stored in the ops field of a snd_soc_dai_driver structure. That field is declared const, so snd_soc_dai_ops structures that have this property can be declared as const also. Signed-off-by: Gustavo A. R. Silva <garsilva(a)embeddedor.com> --- sound/soc/mediatek/mt2701/mt2701-afe-pcm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/soc/mediatek/mt2701/mt2701-afe-pcm.c b/sound/soc/mediatek/mt2701/mt2701-afe-pcm.c index bc5d4db..10dcd69 100644 --- a/sound/soc/mediatek/mt2701/mt2701-afe-pcm.c +++ b/sound/soc/mediatek/mt2701/mt2701-afe-pcm.c @@ -595,7 +595,7 @@ static const struct snd_soc_dai_ops mt2701_afe_i2s_ops = { }; /* MRG BE DAIs */ -static struct snd_soc_dai_ops mt2701_btmrg_ops = { +static const struct snd_soc_dai_ops mt2701_btmrg_ops = { .startup = mt2701_btmrg_startup, .shutdown = mt2701_btmrg_shutdown, .hw_params = mt2701_btmrg_hw_params, -- 2.5.0

2 1

[alsa-devel] [PATCH] ASoC: mmp-sspa: constify snd_soc_dai_ops structure
by Gustavo A. R. Silva 17 Jul '17

17 Jul '17

This structure is only stored in the ops field of a snd_soc_dai_driver structure. That field is declared const, so snd_soc_dai_ops structures that have this property can be declared as const also. Signed-off-by: Gustavo A. R. Silva <garsilva(a)embeddedor.com> --- sound/soc/pxa/mmp-sspa.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sound/soc/pxa/mmp-sspa.c b/sound/soc/pxa/mmp-sspa.c index 9cc3501..64b85e3 100644 --- a/sound/soc/pxa/mmp-sspa.c +++ b/sound/soc/pxa/mmp-sspa.c @@ -380,7 +380,7 @@ static int mmp_sspa_probe(struct snd_soc_dai *dai) SNDRV_PCM_FMTBIT_S24_LE | \ SNDRV_PCM_FMTBIT_S32_LE) -static struct snd_soc_dai_ops mmp_sspa_dai_ops = { +static const struct snd_soc_dai_ops mmp_sspa_dai_ops = { .startup = mmp_sspa_startup, .shutdown = mmp_sspa_shutdown, .trigger = mmp_sspa_trigger, -- 2.5.0

2 1