soundwire: Suppress errors due to unsupported slave functions
Suppress the errors from the soundwire master runtime suspend and runtime resume, if the soundwire slave devices does not implement the functionality, that avoids pm runtime calling the runtime functions. Change-Id: I513a37f37e349a0c435295056df8625f284e13e6 Signed-off-by: Sudheer Papothi <spapothi@codeaurora.org>
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40c749da4c
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79c9075948
1 changed files with 12 additions and 2 deletions
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@ -2293,7 +2293,12 @@ static int swrm_runtime_resume(struct device *dev)
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enable_bank_switch(swrm, 0, SWR_ROW_50, SWR_MIN_COL);
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list_for_each_entry(swr_dev, &mstr->devices, dev_list) {
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ret = swr_device_up(swr_dev);
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if (ret) {
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if (ret == -ENODEV) {
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dev_dbg(dev,
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"%s slave device up not implemented\n",
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__func__);
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ret = 0;
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} else if (ret) {
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dev_err(dev,
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"%s: failed to wakeup swr dev %d\n",
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__func__, swr_dev->dev_num);
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@ -2358,7 +2363,12 @@ static int swrm_runtime_suspend(struct device *dev)
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swr_master_write(swrm, SWRM_COMP_CFG_ADDR, 0x00);
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list_for_each_entry(swr_dev, &mstr->devices, dev_list) {
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ret = swr_device_down(swr_dev);
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if (ret) {
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if (ret == -ENODEV) {
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dev_dbg_ratelimited(dev,
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"%s slave device down not implemented\n",
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__func__);
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ret = 0;
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} else if (ret) {
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dev_err(dev,
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"%s: failed to shutdown swr dev %d\n",
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__func__, swr_dev->dev_num);
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