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ASoC: SOF: topology: add min/max step for volume_table
add two units min_volume_step and max_volume_step to the snd_sof_control struct, for the min and max step of the volume_table. Signed-off-by: Zhu Yingjiang <yingjiang.zhu@linux.intel.com> Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Signed-off-by: Mark Brown <broonie@kernel.org>
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@ -297,6 +297,8 @@ struct snd_sof_pcm {
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struct snd_sof_control {
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struct snd_sof_dev *sdev;
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int comp_id;
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int min_volume_step; /* min volume step for volume_table */
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int max_volume_step; /* max volume step for volume_table */
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int num_channels;
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u32 readback_offset; /* offset to mmaped data if used */
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struct sof_ipc_ctrl_data *control_data;
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@ -451,6 +451,8 @@ static int sof_control_load_volume(struct snd_soc_component *scomp,
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return -ENOMEM;
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scontrol->comp_id = sdev->next_comp_id;
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scontrol->min_volume_step = le32_to_cpu(mc->min);
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scontrol->max_volume_step = le32_to_cpu(mc->max);
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scontrol->num_channels = le32_to_cpu(mc->num_channels);
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/* set cmd for mixer control */
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