diff options
author | Takashi Iwai <tiwai@suse.de> | 2015-02-27 20:44:54 +0100 |
---|---|---|
committer | Takashi Iwai <tiwai@suse.de> | 2015-03-03 11:28:36 +0100 |
commit | bcd96557bd0ab1129fcdde073d5700aed8fcb942 (patch) | |
tree | 8f246b3fc0b986ba9d105f632aa7cef485123825 /sound/pci/hda/hda_codec.c | |
parent | 9a6246ff78ac33af78f82704cde6fec361597eea (diff) |
ALSA: hda - Build PCMs and controls at codec driver probe
This makes the code flow easier -- instead of the controller driver
calling snd_hda_build_pcms() and snd_hda_build_controls() explicitly,
the codec driver itself builds PCMs and controls at probe time. Then
the controller driver only needs to call snd_card_register().
Also, this allows us the full bind/unbind control, too. Even when a
codec driver is bound later, it automatically registers the new PCM
and controls by itself.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/hda/hda_codec.c')
-rw-r--r-- | sound/pci/hda/hda_codec.c | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index 2c7e481a9171..7085d3733d0d 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -4031,36 +4031,6 @@ const struct dev_pm_ops hda_codec_driver_pm = { NULL) }; -/** - * snd_hda_build_controls - build mixer controls - * @bus: the BUS - * - * Creates mixer controls for each codec included in the bus. - * - * Returns 0 if successful, otherwise a negative error code. - */ -int snd_hda_build_controls(struct hda_bus *bus) -{ - struct hda_codec *codec; - - list_for_each_entry(codec, &bus->codec_list, list) { - int err = snd_hda_codec_build_controls(codec); - if (err < 0) { - codec_err(codec, - "cannot build controls for #%d (error %d)\n", - codec->addr, err); - err = snd_hda_codec_reset(codec); - if (err < 0) { - codec_err(codec, - "cannot revert codec\n"); - return err; - } - } - } - return 0; -} -EXPORT_SYMBOL_GPL(snd_hda_build_controls); - /* * add standard channel maps if not specified */ @@ -4693,43 +4663,6 @@ int snd_hda_codec_build_pcms(struct hda_codec *codec) } /** - * snd_hda_build_pcms - build PCM information - * @bus: the BUS - * - * Create PCM information for each codec included in the bus. - * - * The build_pcms codec patch is requested to create and assign new - * hda_pcm objects. The codec is responsible to call snd_hda_codec_pcm_new() - * and fills the fields. Later they are instantiated by this function. - * - * At least, substreams, channels_min and channels_max must be filled for - * each stream. substreams = 0 indicates that the stream doesn't exist. - * When rates and/or formats are zero, the supported values are queried - * from the given nid. The nid is used also by the default ops.prepare - * and ops.cleanup callbacks. - * - * The driver needs to call ops.open in its open callback. Similarly, - * ops.close is supposed to be called in the close callback. - * ops.prepare should be called in the prepare or hw_params callback - * with the proper parameters for set up. - * ops.cleanup should be called in hw_free for clean up of streams. - * - * This function returns 0 if successful, or a negative error code. - */ -int snd_hda_build_pcms(struct hda_bus *bus) -{ - struct hda_codec *codec; - - list_for_each_entry(codec, &bus->codec_list, list) { - int err = snd_hda_codec_build_pcms(codec); - if (err < 0) - return err; - } - return 0; -} -EXPORT_SYMBOL_GPL(snd_hda_build_pcms); - -/** * snd_hda_add_new_ctls - create controls from the array * @codec: the HDA codec * @knew: the array of struct snd_kcontrol_new |