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-rw-r--r--sound/soc/codecs/max98090.c2
-rw-r--r--sound/soc/codecs/msm8916-wcd-analog.c7
-rw-r--r--sound/soc/codecs/msm8916-wcd-digital.c4
-rw-r--r--sound/soc/codecs/wm8998.c84
-rw-r--r--sound/soc/davinci/davinci-mcasp.c6
-rw-r--r--sound/soc/intel/boards/cht_bsw_max98090_ti.c6
-rw-r--r--sound/soc/intel/boards/kbl_rt5663_rt5514_max98927.c2
-rw-r--r--sound/soc/intel/skylake/skl-topology.c2
-rw-r--r--sound/soc/rockchip/rockchip_i2s.c1
-rw-r--r--sound/soc/samsung/i2s.c6
-rw-r--r--sound/soc/sh/rcar/adg.c4
-rw-r--r--sound/soc/sh/rcar/ssi.c5
-rw-r--r--sound/soc/soc-pcm.c13
-rw-r--r--sound/soc/stm/stm32_sai.c2
-rw-r--r--sound/soc/stm/stm32_sai_sub.c33
15 files changed, 81 insertions, 96 deletions
diff --git a/sound/soc/codecs/max98090.c b/sound/soc/codecs/max98090.c
index 13bcfb1ef9b4..f5075d1f79e6 100644
--- a/sound/soc/codecs/max98090.c
+++ b/sound/soc/codecs/max98090.c
@@ -2115,7 +2115,7 @@ static void max98090_pll_work(struct work_struct *work)
if (!snd_soc_codec_is_active(codec))
return;
- dev_info(codec->dev, "PLL unlocked\n");
+ dev_info_ratelimited(codec->dev, "PLL unlocked\n");
/* Toggle shutdown OFF then ON */
snd_soc_update_bits(codec, M98090_REG_DEVICE_SHUTDOWN,
diff --git a/sound/soc/codecs/msm8916-wcd-analog.c b/sound/soc/codecs/msm8916-wcd-analog.c
index 549c269acc7d..a42f8ebb9670 100644
--- a/sound/soc/codecs/msm8916-wcd-analog.c
+++ b/sound/soc/codecs/msm8916-wcd-analog.c
@@ -104,7 +104,7 @@
#define CDC_A_MICB_1_VAL (0xf141)
#define MICB_MIN_VAL 1600
#define MICB_STEP_SIZE 50
-#define MICB_VOLTAGE_REGVAL(v) ((v - MICB_MIN_VAL)/MICB_STEP_SIZE)
+#define MICB_VOLTAGE_REGVAL(v) (((v - MICB_MIN_VAL)/MICB_STEP_SIZE) << 3)
#define MICB_1_VAL_MICB_OUT_VAL_MASK GENMASK(7, 3)
#define MICB_1_VAL_MICB_OUT_VAL_V2P70V ((0x16) << 3)
#define MICB_1_VAL_MICB_OUT_VAL_V1P80V ((0x4) << 3)
@@ -349,8 +349,9 @@ static void pm8916_wcd_analog_micbias_enable(struct snd_soc_codec *codec)
| MICB_1_CTL_EXT_PRECHARG_EN_ENABLE);
if (wcd->micbias_mv) {
- snd_soc_write(codec, CDC_A_MICB_1_VAL,
- MICB_VOLTAGE_REGVAL(wcd->micbias_mv));
+ snd_soc_update_bits(codec, CDC_A_MICB_1_VAL,
+ MICB_1_VAL_MICB_OUT_VAL_MASK,
+ MICB_VOLTAGE_REGVAL(wcd->micbias_mv));
/*
* Special headset needs MICBIAS as 2.7V so wait for
* 50 msec for the MICBIAS to reach 2.7 volts.
diff --git a/sound/soc/codecs/msm8916-wcd-digital.c b/sound/soc/codecs/msm8916-wcd-digital.c
index 66df8f810f0d..a10a724eb448 100644
--- a/sound/soc/codecs/msm8916-wcd-digital.c
+++ b/sound/soc/codecs/msm8916-wcd-digital.c
@@ -238,7 +238,7 @@ static const struct soc_enum rx_mix2_inp1_chain_enum = SOC_ENUM_SINGLE(
static const struct soc_enum rx2_mix1_inp_enum[] = {
SOC_ENUM_SINGLE(LPASS_CDC_CONN_RX2_B1_CTL, 0, 6, rx_mix1_text),
SOC_ENUM_SINGLE(LPASS_CDC_CONN_RX2_B1_CTL, 3, 6, rx_mix1_text),
- SOC_ENUM_SINGLE(LPASS_CDC_CONN_RX2_B1_CTL, 0, 6, rx_mix1_text),
+ SOC_ENUM_SINGLE(LPASS_CDC_CONN_RX2_B2_CTL, 0, 6, rx_mix1_text),
};
/* RX2 MIX2 */
@@ -249,7 +249,7 @@ static const struct soc_enum rx2_mix2_inp1_chain_enum = SOC_ENUM_SINGLE(
static const struct soc_enum rx3_mix1_inp_enum[] = {
SOC_ENUM_SINGLE(LPASS_CDC_CONN_RX3_B1_CTL, 0, 6, rx_mix1_text),
SOC_ENUM_SINGLE(LPASS_CDC_CONN_RX3_B1_CTL, 3, 6, rx_mix1_text),
- SOC_ENUM_SINGLE(LPASS_CDC_CONN_RX3_B1_CTL, 0, 6, rx_mix1_text),
+ SOC_ENUM_SINGLE(LPASS_CDC_CONN_RX3_B2_CTL, 0, 6, rx_mix1_text),
};
/* DEC */
diff --git a/sound/soc/codecs/wm8998.c b/sound/soc/codecs/wm8998.c
index 44f447136e22..4b64bb46eb21 100644
--- a/sound/soc/codecs/wm8998.c
+++ b/sound/soc/codecs/wm8998.c
@@ -101,7 +101,7 @@ static int wm8998_asrc_ev(struct snd_soc_dapm_widget *w,
return 0;
}
-static int wm8998_in1mux_put(struct snd_kcontrol *kcontrol,
+static int wm8998_inmux_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
struct snd_soc_codec *codec = snd_soc_dapm_kcontrol_codec(kcontrol);
@@ -109,84 +109,38 @@ static int wm8998_in1mux_put(struct snd_kcontrol *kcontrol,
struct wm8998_priv *wm8998 = snd_soc_codec_get_drvdata(codec);
struct arizona *arizona = wm8998->core.arizona;
struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
- unsigned int mux, inmode;
- unsigned int mode_val, src_val;
+ unsigned int mode_reg, mode_index;
+ unsigned int mux, inmode, src_val, mode_val;
mux = ucontrol->value.enumerated.item[0];
if (mux > 1)
return -EINVAL;
- /* L and R registers have same shift and mask */
- inmode = arizona->pdata.inmode[2 * mux];
- src_val = mux << ARIZONA_IN1L_SRC_SHIFT;
- if (inmode & ARIZONA_INMODE_SE)
- src_val |= 1 << ARIZONA_IN1L_SRC_SE_SHIFT;
-
- switch (arizona->pdata.inmode[0]) {
- case ARIZONA_INMODE_DMIC:
- if (mux)
- mode_val = 0; /* B always analogue */
- else
- mode_val = 1 << ARIZONA_IN1_MODE_SHIFT;
-
- snd_soc_update_bits(codec, ARIZONA_IN1L_CONTROL,
- ARIZONA_IN1_MODE_MASK, mode_val);
-
- /* IN1A is digital so L and R must change together */
- /* src_val setting same for both registers */
- snd_soc_update_bits(codec,
- ARIZONA_ADC_DIGITAL_VOLUME_1L,
- ARIZONA_IN1L_SRC_MASK |
- ARIZONA_IN1L_SRC_SE_MASK, src_val);
- snd_soc_update_bits(codec,
- ARIZONA_ADC_DIGITAL_VOLUME_1R,
- ARIZONA_IN1R_SRC_MASK |
- ARIZONA_IN1R_SRC_SE_MASK, src_val);
+ switch (e->reg) {
+ case ARIZONA_ADC_DIGITAL_VOLUME_2L:
+ mode_reg = ARIZONA_IN2L_CONTROL;
+ mode_index = 1 + (2 * mux);
break;
default:
- /* both analogue */
- snd_soc_update_bits(codec,
- e->reg,
- ARIZONA_IN1L_SRC_MASK |
- ARIZONA_IN1L_SRC_SE_MASK,
- src_val);
+ mode_reg = ARIZONA_IN1L_CONTROL;
+ mode_index = (2 * mux);
break;
}
- return snd_soc_dapm_mux_update_power(dapm, kcontrol,
- ucontrol->value.enumerated.item[0],
- e, NULL);
-}
-
-static int wm8998_in2mux_put(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- struct snd_soc_codec *codec = snd_soc_dapm_kcontrol_codec(kcontrol);
- struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
- struct wm8998_priv *wm8998 = snd_soc_codec_get_drvdata(codec);
- struct arizona *arizona = wm8998->core.arizona;
- struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
- unsigned int mux, inmode, src_val, mode_val;
-
- mux = ucontrol->value.enumerated.item[0];
- if (mux > 1)
- return -EINVAL;
-
- inmode = arizona->pdata.inmode[1 + (2 * mux)];
+ inmode = arizona->pdata.inmode[mode_index];
if (inmode & ARIZONA_INMODE_DMIC)
- mode_val = 1 << ARIZONA_IN2_MODE_SHIFT;
+ mode_val = 1 << ARIZONA_IN1_MODE_SHIFT;
else
mode_val = 0;
- src_val = mux << ARIZONA_IN2L_SRC_SHIFT;
+ src_val = mux << ARIZONA_IN1L_SRC_SHIFT;
if (inmode & ARIZONA_INMODE_SE)
- src_val |= 1 << ARIZONA_IN2L_SRC_SE_SHIFT;
+ src_val |= 1 << ARIZONA_IN1L_SRC_SE_SHIFT;
- snd_soc_update_bits(codec, ARIZONA_IN2L_CONTROL,
- ARIZONA_IN2_MODE_MASK, mode_val);
+ snd_soc_update_bits(codec, mode_reg, ARIZONA_IN1_MODE_MASK, mode_val);
- snd_soc_update_bits(codec, ARIZONA_ADC_DIGITAL_VOLUME_2L,
- ARIZONA_IN2L_SRC_MASK | ARIZONA_IN2L_SRC_SE_MASK,
+ snd_soc_update_bits(codec, e->reg,
+ ARIZONA_IN1L_SRC_MASK | ARIZONA_IN1L_SRC_SE_MASK,
src_val);
return snd_soc_dapm_mux_update_power(dapm, kcontrol,
@@ -216,14 +170,14 @@ static SOC_ENUM_SINGLE_DECL(wm8998_in2mux_enum,
static const struct snd_kcontrol_new wm8998_in1mux[2] = {
SOC_DAPM_ENUM_EXT("IN1L Mux", wm8998_in1muxl_enum,
- snd_soc_dapm_get_enum_double, wm8998_in1mux_put),
+ snd_soc_dapm_get_enum_double, wm8998_inmux_put),
SOC_DAPM_ENUM_EXT("IN1R Mux", wm8998_in1muxr_enum,
- snd_soc_dapm_get_enum_double, wm8998_in1mux_put),
+ snd_soc_dapm_get_enum_double, wm8998_inmux_put),
};
static const struct snd_kcontrol_new wm8998_in2mux =
SOC_DAPM_ENUM_EXT("IN2 Mux", wm8998_in2mux_enum,
- snd_soc_dapm_get_enum_double, wm8998_in2mux_put);
+ snd_soc_dapm_get_enum_double, wm8998_inmux_put);
static DECLARE_TLV_DB_SCALE(ana_tlv, 0, 100, 0);
static DECLARE_TLV_DB_SCALE(eq_tlv, -1200, 100, 0);
diff --git a/sound/soc/davinci/davinci-mcasp.c b/sound/soc/davinci/davinci-mcasp.c
index f395bbc7c354..23b0da7df1f2 100644
--- a/sound/soc/davinci/davinci-mcasp.c
+++ b/sound/soc/davinci/davinci-mcasp.c
@@ -1982,8 +1982,10 @@ static int davinci_mcasp_probe(struct platform_device *pdev)
GFP_KERNEL);
if (!mcasp->chconstr[SNDRV_PCM_STREAM_PLAYBACK].list ||
- !mcasp->chconstr[SNDRV_PCM_STREAM_CAPTURE].list)
- return -ENOMEM;
+ !mcasp->chconstr[SNDRV_PCM_STREAM_CAPTURE].list) {
+ ret = -ENOMEM;
+ goto err;
+ }
ret = davinci_mcasp_set_ch_constraints(mcasp);
if (ret)
diff --git a/sound/soc/intel/boards/cht_bsw_max98090_ti.c b/sound/soc/intel/boards/cht_bsw_max98090_ti.c
index 20755ecc7f9e..455a55af7ad2 100644
--- a/sound/soc/intel/boards/cht_bsw_max98090_ti.c
+++ b/sound/soc/intel/boards/cht_bsw_max98090_ti.c
@@ -160,7 +160,7 @@ static int cht_codec_fixup(struct snd_soc_pcm_runtime *rtd,
return ret;
}
- fmt = SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_NB_NF
+ fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
| SND_SOC_DAIFMT_CBS_CFS;
ret = snd_soc_dai_set_fmt(rtd->cpu_dai, fmt);
@@ -173,8 +173,8 @@ static int cht_codec_fixup(struct snd_soc_pcm_runtime *rtd,
rate->min = rate->max = 48000;
channels->min = channels->max = 2;
- /* set SSP2 to 24-bit */
- params_set_format(params, SNDRV_PCM_FORMAT_S24_LE);
+ /* set SSP2 to 16-bit */
+ params_set_format(params, SNDRV_PCM_FORMAT_S16_LE);
return 0;
}
diff --git a/sound/soc/intel/boards/kbl_rt5663_rt5514_max98927.c b/sound/soc/intel/boards/kbl_rt5663_rt5514_max98927.c
index 88ff54220007..9cd0769ccd34 100644
--- a/sound/soc/intel/boards/kbl_rt5663_rt5514_max98927.c
+++ b/sound/soc/intel/boards/kbl_rt5663_rt5514_max98927.c
@@ -604,6 +604,8 @@ static int kabylake_card_late_probe(struct snd_soc_card *card)
list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) {
codec = pcm->codec_dai->codec;
+ snprintf(jack_name, sizeof(jack_name),
+ "HDMI/DP, pcm=%d Jack", pcm->device);
err = snd_soc_card_jack_new(card, jack_name,
SND_JACK_AVOUT, &ctx->kabylake_hdmi[i],
NULL, 0);
diff --git a/sound/soc/intel/skylake/skl-topology.c b/sound/soc/intel/skylake/skl-topology.c
index 22f768ca3c73..27bcb62568fb 100644
--- a/sound/soc/intel/skylake/skl-topology.c
+++ b/sound/soc/intel/skylake/skl-topology.c
@@ -2382,7 +2382,7 @@ static int skl_tplg_get_token(struct device *dev,
case SKL_TKN_U32_MAX_MCPS:
case SKL_TKN_U32_OBS:
case SKL_TKN_U32_IBS:
- ret = skl_tplg_fill_res_tkn(dev, tkn_elem, res, dir, pin_index);
+ ret = skl_tplg_fill_res_tkn(dev, tkn_elem, res, pin_index, dir);
if (ret < 0)
return ret;
diff --git a/sound/soc/rockchip/rockchip_i2s.c b/sound/soc/rockchip/rockchip_i2s.c
index b6590467fd14..908211e1d6fc 100644
--- a/sound/soc/rockchip/rockchip_i2s.c
+++ b/sound/soc/rockchip/rockchip_i2s.c
@@ -692,7 +692,6 @@ static int rockchip_i2s_remove(struct platform_device *pdev)
if (!pm_runtime_status_suspended(&pdev->dev))
i2s_runtime_suspend(&pdev->dev);
- clk_disable_unprepare(i2s->mclk);
clk_disable_unprepare(i2s->hclk);
return 0;
diff --git a/sound/soc/samsung/i2s.c b/sound/soc/samsung/i2s.c
index 10a4da06c0a1..de783c6d2a70 100644
--- a/sound/soc/samsung/i2s.c
+++ b/sound/soc/samsung/i2s.c
@@ -552,8 +552,11 @@ static int i2s_set_sysclk(struct snd_soc_dai *dai,
}
ret = clk_prepare_enable(i2s->op_clk);
- if (ret)
+ if (ret) {
+ clk_put(i2s->op_clk);
+ i2s->op_clk = NULL;
goto err;
+ }
i2s->rclk_srcrate = clk_get_rate(i2s->op_clk);
/* Over-ride the other's */
@@ -1285,6 +1288,7 @@ static int samsung_i2s_probe(struct platform_device *pdev)
}
}
}
+ quirks &= ~(QUIRK_SEC_DAI | QUIRK_SUPPORTS_IDMA);
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
pri_dai->addr = devm_ioremap_resource(&pdev->dev, res);
diff --git a/sound/soc/sh/rcar/adg.c b/sound/soc/sh/rcar/adg.c
index 938baff86ef2..e11ce5036bcf 100644
--- a/sound/soc/sh/rcar/adg.c
+++ b/sound/soc/sh/rcar/adg.c
@@ -479,10 +479,10 @@ static void rsnd_adg_get_clkout(struct rsnd_priv *priv,
}
if (req_rate[0] % 48000 == 0)
- adg->flags = AUDIO_OUT_48;
+ adg->flags |= AUDIO_OUT_48;
if (of_get_property(np, "clkout-lr-asynchronous", NULL))
- adg->flags = LRCLK_ASYNC;
+ adg->flags |= LRCLK_ASYNC;
/*
* This driver is assuming that AUDIO_CLKA/AUDIO_CLKB/AUDIO_CLKC
diff --git a/sound/soc/sh/rcar/ssi.c b/sound/soc/sh/rcar/ssi.c
index fffc07e72627..03c2a1f02643 100644
--- a/sound/soc/sh/rcar/ssi.c
+++ b/sound/soc/sh/rcar/ssi.c
@@ -1112,6 +1112,9 @@ int rsnd_ssi_probe(struct rsnd_priv *priv)
i = 0;
for_each_child_of_node(node, np) {
+ if (!of_device_is_available(np))
+ goto skip;
+
ssi = rsnd_ssi_get(priv, i);
snprintf(name, RSND_SSI_NAME_SIZE, "%s.%d",
@@ -1148,7 +1151,7 @@ int rsnd_ssi_probe(struct rsnd_priv *priv)
of_node_put(np);
goto rsnd_ssi_probe_done;
}
-
+skip:
i++;
}
diff --git a/sound/soc/soc-pcm.c b/sound/soc/soc-pcm.c
index 94b88b897c3b..c0f0b09cb433 100644
--- a/sound/soc/soc-pcm.c
+++ b/sound/soc/soc-pcm.c
@@ -2632,6 +2632,17 @@ static int dpcm_fe_dai_close(struct snd_pcm_substream *fe_substream)
return ret;
}
+static void soc_pcm_private_free(struct snd_pcm *pcm)
+{
+ struct snd_soc_pcm_runtime *rtd = pcm->private_data;
+ struct snd_soc_platform *platform = rtd->platform;
+
+ /* need to sync the delayed work before releasing resources */
+ flush_delayed_work(&rtd->delayed_work);
+ if (platform->driver->pcm_free)
+ platform->driver->pcm_free(pcm);
+}
+
/* create a new pcm */
int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num)
{
@@ -2757,7 +2768,7 @@ int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num)
}
}
- pcm->private_free = platform->driver->pcm_free;
+ pcm->private_free = soc_pcm_private_free;
out:
dev_info(rtd->card->dev, "%s <-> %s mapping ok\n",
(rtd->num_codecs > 1) ? "multicodec" : rtd->codec_dai->name,
diff --git a/sound/soc/stm/stm32_sai.c b/sound/soc/stm/stm32_sai.c
index 1258bef4dcb3..5fe878ace605 100644
--- a/sound/soc/stm/stm32_sai.c
+++ b/sound/soc/stm/stm32_sai.c
@@ -85,7 +85,7 @@ static int stm32_sai_probe(struct platform_device *pdev)
}
/* reset */
- rst = reset_control_get_exclusive(&pdev->dev, NULL);
+ rst = devm_reset_control_get_exclusive(&pdev->dev, NULL);
if (!IS_ERR(rst)) {
reset_control_assert(rst);
udelay(2);
diff --git a/sound/soc/stm/stm32_sai_sub.c b/sound/soc/stm/stm32_sai_sub.c
index 90d439613899..dde8ddf9e777 100644
--- a/sound/soc/stm/stm32_sai_sub.c
+++ b/sound/soc/stm/stm32_sai_sub.c
@@ -184,7 +184,6 @@ static const struct regmap_config stm32_sai_sub_regmap_config_h7 = {
static irqreturn_t stm32_sai_isr(int irq, void *devid)
{
struct stm32_sai_sub_data *sai = (struct stm32_sai_sub_data *)devid;
- struct snd_pcm_substream *substream = sai->substream;
struct platform_device *pdev = sai->pdev;
unsigned int sr, imr, flags;
snd_pcm_state_t status = SNDRV_PCM_STATE_RUNNING;
@@ -199,6 +198,11 @@ static irqreturn_t stm32_sai_isr(int irq, void *devid)
regmap_update_bits(sai->regmap, STM_SAI_CLRFR_REGX, SAI_XCLRFR_MASK,
SAI_XCLRFR_MASK);
+ if (!sai->substream) {
+ dev_err(&pdev->dev, "Device stopped. Spurious IRQ 0x%x\n", sr);
+ return IRQ_NONE;
+ }
+
if (flags & SAI_XIMR_OVRUDRIE) {
dev_err(&pdev->dev, "IRQ %s\n",
STM_SAI_IS_PLAYBACK(sai) ? "underrun" : "overrun");
@@ -227,9 +231,9 @@ static irqreturn_t stm32_sai_isr(int irq, void *devid)
}
if (status != SNDRV_PCM_STATE_RUNNING) {
- snd_pcm_stream_lock(substream);
- snd_pcm_stop(substream, SNDRV_PCM_STATE_XRUN);
- snd_pcm_stream_unlock(substream);
+ snd_pcm_stream_lock(sai->substream);
+ snd_pcm_stop(sai->substream, SNDRV_PCM_STATE_XRUN);
+ snd_pcm_stream_unlock(sai->substream);
}
return IRQ_HANDLED;
@@ -442,12 +446,16 @@ static int stm32_sai_set_config(struct snd_soc_dai *cpu_dai,
{
struct stm32_sai_sub_data *sai = snd_soc_dai_get_drvdata(cpu_dai);
int cr1, cr1_mask, ret;
- int fth = STM_SAI_FIFO_TH_HALF;
- /* FIFO config */
+ /*
+ * DMA bursts increment is set to 4 words.
+ * SAI fifo threshold is set to half fifo, to keep enough space
+ * for DMA incoming bursts.
+ */
regmap_update_bits(sai->regmap, STM_SAI_CR2_REGX,
SAI_XCR2_FFLUSH | SAI_XCR2_FTH_MASK,
- SAI_XCR2_FFLUSH | SAI_XCR2_FTH_SET(fth));
+ SAI_XCR2_FFLUSH |
+ SAI_XCR2_FTH_SET(STM_SAI_FIFO_TH_HALF));
/* Mode, data format and channel config */
cr1 = SAI_XCR1_PRTCFG_SET(SAI_FREE_PROTOCOL);
@@ -481,10 +489,6 @@ static int stm32_sai_set_config(struct snd_soc_dai *cpu_dai,
return ret;
}
- /* DMA config */
- sai->dma_params.maxburst = STM_SAI_FIFO_SIZE * fth / sizeof(u32);
- snd_soc_dai_set_dma_data(cpu_dai, substream, (void *)&sai->dma_params);
-
return 0;
}
@@ -727,7 +731,12 @@ static int stm32_sai_dai_probe(struct snd_soc_dai *cpu_dai)
struct stm32_sai_sub_data *sai = dev_get_drvdata(cpu_dai->dev);
sai->dma_params.addr = (dma_addr_t)(sai->phys_addr + STM_SAI_DR_REGX);
- sai->dma_params.maxburst = 1;
+ /*
+ * DMA supports 4, 8 or 16 burst sizes. Burst size 4 is the best choice,
+ * as it allows bytes, half-word and words transfers. (See DMA fifos
+ * constraints).
+ */
+ sai->dma_params.maxburst = 4;
/* Buswidth will be set by framework at runtime */
sai->dma_params.addr_width = DMA_SLAVE_BUSWIDTH_UNDEFINED;
generated by cgit (git 2.34.1) at 2024-05-22 05:13:49 +0000