Signed-off-by: Sven Van Asbroeck <TheSven73@xxxxxxxxx>
---
drivers/gpu/drm/i2c/tda998x_drv.c | 20 ++++++++++++++------
include/drm/i2c/tda998x.h | 1 +
2 files changed, 15 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/i2c/tda998x_drv.c b/drivers/gpu/drm/i2c/tda998x_drv.c
index a7c39f39793f..caccfaf90dd2 100644
--- a/drivers/gpu/drm/i2c/tda998x_drv.c
+++ b/drivers/gpu/drm/i2c/tda998x_drv.c
@@ -893,19 +893,26 @@ tda998x_configure_audio(struct tda998x_priv *priv,
reg_write(priv, REG_MUX_AP, MUX_AP_SELECT_I2S);
clksel_aip = AIP_CLKSEL_AIP_I2S;
clksel_fs = AIP_CLKSEL_FS_ACLK;
- switch (params->sample_width) {
+ switch (params->bclk_ratio) {
case 16:
+ cts_n = CTS_N_M(3) | CTS_N_K(0);
+ break;
+ case 32:
cts_n = CTS_N_M(3) | CTS_N_K(1);
break;
- case 18:
- case 20:
- case 24:
+ case 48:
cts_n = CTS_N_M(3) | CTS_N_K(2);
break;
- default:
- case 32:
+ case 64:
cts_n = CTS_N_M(3) | CTS_N_K(3);
break;
+ case 128:
+ cts_n = CTS_N_M(0) | CTS_N_K(0);
+ break;
+ default:
+ dev_err(&priv->hdmi->dev,
+ "unsupported I2S bclk ratio\n");
+ return -EINVAL;
}
break;
@@ -984,6 +991,7 @@ static int tda998x_audio_hw_params(struct device *dev, void *data,
struct tda998x_audio_params audio = {
.sample_width = params->sample_width,
.sample_rate = params->sample_rate,
+ .bclk_ratio = params->bclk_ratio,
.cea = params->cea,
};
diff --git a/include/drm/i2c/tda998x.h b/include/drm/i2c/tda998x.h
index 3cb25ccbe5e6..62d85c662aa1 100644
--- a/include/drm/i2c/tda998x.h
+++ b/include/drm/i2c/tda998x.h
@@ -16,6 +16,7 @@ struct tda998x_audio_params {
u8 format;
unsigned sample_width;
unsigned sample_rate;
+ unsigned int bclk_ratio;
struct hdmi_audio_infoframe cea;
u8 status[5];
};
--
2.17.1
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