From: Ranjani Sridharan <ranjani.sridharan@xxxxxxxxxxxxxxx> Add new ops for registering/unregistering clients based on DSP capabilities and/or DT information. Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx> Signed-off-by: Ranjani Sridharan <ranjani.sridharan@xxxxxxxxxxxxxxx> Signed-off-by: Dave Ertman <david.m.ertman@xxxxxxxxx> --- sound/soc/sof/core.c | 10 ++++++++++ sound/soc/sof/ops.h | 14 ++++++++++++++ sound/soc/sof/sof-priv.h | 4 ++++ 3 files changed, 28 insertions(+) diff --git a/sound/soc/sof/core.c b/sound/soc/sof/core.c index 72a97219395f..ddb9a12d5aac 100644 --- a/sound/soc/sof/core.c +++ b/sound/soc/sof/core.c @@ -246,8 +246,17 @@ static int sof_probe_continue(struct snd_sof_dev *sdev) if (plat_data->sof_probe_complete) plat_data->sof_probe_complete(sdev->dev); + /* If registering certain clients fails, unregister the previously registered clients. */ + ret = snd_sof_register_clients(sdev); + if (ret < 0) { + dev_err(sdev->dev, "error: failed to register clients %d\n", ret); + goto client_reg_err; + } + return 0; +client_reg_err: + snd_sof_unregister_clients(sdev); fw_trace_err: snd_sof_free_trace(sdev); fw_run_err: @@ -356,6 +365,7 @@ int snd_sof_device_remove(struct device *dev) dev_warn(dev, "error: %d failed to prepare DSP for device removal", ret); + snd_sof_unregister_clients(sdev); snd_sof_fw_unload(sdev); snd_sof_ipc_free(sdev); snd_sof_free_debug(sdev); diff --git a/sound/soc/sof/ops.h b/sound/soc/sof/ops.h index b21632f5511a..0e5660d7a2fd 100644 --- a/sound/soc/sof/ops.h +++ b/sound/soc/sof/ops.h @@ -470,6 +470,20 @@ snd_sof_set_mach_params(const struct snd_soc_acpi_mach *mach, sof_ops(sdev)->set_mach_params(mach, dev); } +static inline int snd_sof_register_clients(struct snd_sof_dev *sdev) +{ + if (sof_ops(sdev) && sof_ops(sdev)->register_clients) + return sof_ops(sdev)->register_clients(sdev); + + return 0; +} + +static inline void snd_sof_unregister_clients(struct snd_sof_dev *sdev) +{ + if (sof_ops(sdev) && sof_ops(sdev)->unregister_clients) + return sof_ops(sdev)->unregister_clients(sdev); +} + static inline const struct snd_sof_dsp_ops *sof_get_ops(const struct sof_dev_desc *d, const struct sof_ops_table mach_ops[], int asize) diff --git a/sound/soc/sof/sof-priv.h b/sound/soc/sof/sof-priv.h index 043fcec5a288..151614224f47 100644 --- a/sound/soc/sof/sof-priv.h +++ b/sound/soc/sof/sof-priv.h @@ -249,6 +249,10 @@ struct snd_sof_dsp_ops { void (*set_mach_params)(const struct snd_soc_acpi_mach *mach, struct device *dev); /* optional */ + /* client ops */ + int (*register_clients)(struct snd_sof_dev *sdev); /* optional */ + void (*unregister_clients)(struct snd_sof_dev *sdev); /* optional */ + /* DAI ops */ struct snd_soc_dai_driver *drv; int num_drv; -- 2.26.2