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@@ -24,7 +24,9 @@ struct sandbox_i2s_priv {
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struct sandbox_sound_priv {
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int setup_called;
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- int sum; /* Use to sum the provided audio data */
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+ int sum; /* Use to sum the provided audio data */
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+ bool allow_beep; /* true to allow the start_beep() interface */
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+ int frequency_hz; /* Beep frequency if active, else 0 */
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};
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void sandbox_get_codec_params(struct udevice *dev, int *interfacep, int *ratep,
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@@ -61,6 +63,20 @@ int sandbox_get_sound_sum(struct udevice *dev)
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return priv->sum;
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}
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+void sandbox_set_allow_beep(struct udevice *dev, bool allow)
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+{
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+ struct sandbox_sound_priv *priv = dev_get_priv(dev);
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+
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+ priv->allow_beep = allow;
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+}
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+
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+int sandbox_get_beep_frequency(struct udevice *dev)
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+{
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+ struct sandbox_sound_priv *priv = dev_get_priv(dev);
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+
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+ return priv->frequency_hz;
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+}
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+
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static int sandbox_codec_set_params(struct udevice *dev, int interface,
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int rate, int mclk_freq,
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int bits_per_sample, uint channels)
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@@ -128,6 +144,28 @@ static int sandbox_sound_play(struct udevice *dev, void *data, uint data_size)
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return i2s_tx_data(uc_priv->i2s, data, data_size);
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}
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+int sandbox_sound_start_beep(struct udevice *dev, int frequency_hz)
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+{
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+ struct sandbox_sound_priv *priv = dev_get_priv(dev);
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+
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+ if (!priv->allow_beep)
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+ return -ENOSYS;
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+ priv->frequency_hz = frequency_hz;
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+
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+ return 0;
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+}
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+
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+int sandbox_sound_stop_beep(struct udevice *dev)
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+{
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+ struct sandbox_sound_priv *priv = dev_get_priv(dev);
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+
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+ if (!priv->allow_beep)
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+ return -ENOSYS;
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+ priv->frequency_hz = 0;
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+
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+ return 0;
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+}
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+
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static int sandbox_sound_probe(struct udevice *dev)
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{
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return sound_find_codec_i2s(dev);
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@@ -169,8 +207,10 @@ U_BOOT_DRIVER(sandbox_i2s) = {
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};
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static const struct sound_ops sandbox_sound_ops = {
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- .setup = sandbox_sound_setup,
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- .play = sandbox_sound_play,
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+ .setup = sandbox_sound_setup,
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+ .play = sandbox_sound_play,
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+ .start_beep = sandbox_sound_start_beep,
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+ .stop_beep = sandbox_sound_stop_beep,
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};
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static const struct udevice_id sandbox_sound_ids[] = {
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