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drm/bridge: anx7625: Support HDMI_I2S audio format

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1. Support HDMI_I2S audio format.
2. Return 0 if there is no sink connection in .hw_param callback.

Signed-off-by: Xin Ji <xji@analogixsemi.com>
Acked-by: Hsin-Yi Wang <hsinyi@chromium.org>
Acked-by: Jiaxin Yu<jiaxin.yu@mediatek.com>
Signed-off-by: Robert Foss <robert.foss@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220726033058.403715-1-xji@analogixsemi.com
This commit is contained in:
Xin Ji 2022-07-26 11:30:58 +08:00 committed by Robert Foss
parent 291f269a49
commit f8e1fa0fc8
No known key found for this signature in database
GPG Key ID: 3EFD900F76D1D784
1 changed files with 17 additions and 6 deletions
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23
drivers/gpu/drm/bridge/analogix/anx7625.c
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@ -1797,8 +1797,13 @@ static int anx7625_audio_hw_params(struct device *dev, void *data,
int wl, ch, rate;
int ret = 0;
if (fmt->fmt != HDMI_DSP_A) {
DRM_DEV_ERROR(dev, "only supports DSP_A\n");
if (anx7625_sink_detect(ctx) == connector_status_disconnected) {
DRM_DEV_DEBUG_DRIVER(dev, "DP not connected\n");
return 0;
}
if (fmt->fmt != HDMI_DSP_A && fmt->fmt != HDMI_I2S) {
DRM_DEV_ERROR(dev, "only supports DSP_A & I2S\n");
return -EINVAL;
}
@ -1806,10 +1811,16 @@ static int anx7625_audio_hw_params(struct device *dev, void *data,
params->sample_rate, params->sample_width,
params->cea.channels);
ret |= anx7625_write_and_or(ctx, ctx->i2c.tx_p2_client,
AUDIO_CHANNEL_STATUS_6,
~I2S_SLAVE_MODE,
TDM_SLAVE_MODE);
if (fmt->fmt == HDMI_DSP_A)
ret = anx7625_write_and_or(ctx, ctx->i2c.tx_p2_client,
AUDIO_CHANNEL_STATUS_6,
~I2S_SLAVE_MODE,
TDM_SLAVE_MODE);
else
ret = anx7625_write_and_or(ctx, ctx->i2c.tx_p2_client,
AUDIO_CHANNEL_STATUS_6,
~TDM_SLAVE_MODE,
I2S_SLAVE_MODE);
/* Word length */
switch (params->sample_width) {