Wesley Cheng
5886d35219
Some vendor modules will utilize useful parsing and endpoint management APIs to start audio playback/capture. Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Tested-by: Puma Hsu <pumahsu@google.com> Tested-by: Daehwan Jung <dh10.jung@samsung.com> Signed-off-by: Wesley Cheng <quic_wcheng@quicinc.com> Acked-by: Mark Brown <broonie@kernel.org> Link: https://lore.kernel.org/r/20250409194804.3773260-9-quic_wcheng@quicinc.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Bug: 392112015 (cherry picked from commit 5a49a6ba2214a438edcb05f9a1f5259a70a61e47 https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-next) Change-Id: I05ab1229cf340934e7251f84736e48254e9408ee Signed-off-by: Wesley Cheng <quic_wcheng@quicinc.com>
30 lines
1.1 KiB
C
30 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __USBAUDIO_PCM_H
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#define __USBAUDIO_PCM_H
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void snd_usb_set_pcm_ops(struct snd_pcm *pcm, int stream);
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int snd_usb_pcm_suspend(struct snd_usb_stream *as);
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int snd_usb_pcm_resume(struct snd_usb_stream *as);
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bool snd_usb_pcm_has_fixed_rate(struct snd_usb_substream *as);
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int snd_usb_init_pitch(struct snd_usb_audio *chip,
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const struct audioformat *fmt);
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void snd_usb_preallocate_buffer(struct snd_usb_substream *subs);
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int snd_usb_audioformat_set_sync_ep(struct snd_usb_audio *chip,
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struct audioformat *fmt);
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const struct audioformat *
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snd_usb_find_format(struct list_head *fmt_list_head, snd_pcm_format_t format,
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unsigned int rate, unsigned int channels, bool strict_match,
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struct snd_usb_substream *subs);
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const struct audioformat *
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snd_usb_find_substream_format(struct snd_usb_substream *subs,
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const struct snd_pcm_hw_params *params);
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int snd_usb_hw_params(struct snd_usb_substream *subs,
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struct snd_pcm_hw_params *hw_params);
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int snd_usb_hw_free(struct snd_usb_substream *subs);
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#endif /* __USBAUDIO_PCM_H */
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