Commit e95b9f7f authored by Jerome Brunet's avatar Jerome Brunet Committed by Takashi Iwai
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ALSA: snd-usb-caiaq: use snd_pcm_rate_to_rate_bit 



Use snd_pcm_rate_to_rate_bit() helper provided by Alsa instead
re-implementing it. This reduce code duplication and helps when
changing some Alsa definition is necessary.

Signed-off-by: default avatarJerome Brunet <jbrunet@baylibre.com>
Link: https://patch.msgid.link/20240808134857.86749-1-jbrunet@baylibre.com


Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent a1066453

sound/usb/caiaq/audio.c

+1 −12
Original line number Diff line number Diff line
@@ -174,14 +174,6 @@ static int snd_usb_caiaq_pcm_hw_free(struct snd_pcm_substream *sub) 
	return 0;

}



/* this should probably go upstream */

#if SNDRV_PCM_RATE_5512 != 1 << 0 || SNDRV_PCM_RATE_192000 != 1 << 12

#error "Change this table"

#endif



static const unsigned int rates[] = { 5512, 8000, 11025, 16000, 22050, 32000, 44100,

				48000, 64000, 88200, 96000, 176400, 192000 };



static int snd_usb_caiaq_pcm_prepare(struct snd_pcm_substream *substream)

{

	int bytes_per_sample, bpp, ret, i;
@@ -233,10 +225,7 @@ static int snd_usb_caiaq_pcm_prepare(struct snd_pcm_substream *substream) 


	/* the first client that opens a stream defines the sample rate

	 * setting for all subsequent calls, until the last client closed. */

	for (i=0; i < ARRAY_SIZE(rates); i++)

		if (runtime->rate == rates[i])

			cdev->pcm_info.rates = 1 << i;



	cdev->pcm_info.rates = snd_pcm_rate_to_rate_bit(runtime->rate);

	snd_pcm_limit_hw_rates(runtime);



	bytes_per_sample = BYTES_PER_SAMPLE;