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Commit 33deeca3 authored by Wu Fengguang's avatar Wu Fengguang Committed by Takashi Iwai
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ALSA: introduce snd_print_pcm_rates() 



We want to share some code with print_pcm_rates(),
so extract a common routine snd_print_pcm_rates() from it.

Signed-off-by: default avatarWu Fengguang <wfg@linux.intel.com>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 2eca83ba

sound/pci/hda/hda_local.h

+3 −0
Original line number Diff line number Diff line
@@ -284,6 +284,9 @@ int snd_hda_codec_proc_new(struct hda_codec *codec); 
static inline int snd_hda_codec_proc_new(struct hda_codec *codec) { return 0; }

#endif



#define SND_PRINT_RATES_ADVISED_BUFSIZE	80

void snd_print_pcm_rates(int pcm, char *buf, int buflen);



/*

 * Misc

 */

sound/pci/hda/hda_proc.c

+14 −6
Original line number Diff line number Diff line
@@ -89,20 +89,28 @@ static void print_amp_vals(struct snd_info_buffer *buffer, 
	snd_iprintf(buffer, "\n");

}



static void print_pcm_rates(struct snd_info_buffer *buffer, unsigned int pcm)

void snd_print_pcm_rates(int pcm, char *buf, int buflen)

{

	static unsigned int rates[] = {

		8000, 11025, 16000, 22050, 32000, 44100, 48000, 88200,

		96000, 176400, 192000, 384000

	};

	int i;

	int i, j;



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

		if (pcm & (1 << i))

			j += snprintf(buf + j, buflen - j,  " %d", rates[i]);



	buf[j] = '\0'; /* necessary when j == 0 */

}



static void print_pcm_rates(struct snd_info_buffer *buffer, unsigned int pcm)

{

	char buf[SND_PRINT_RATES_ADVISED_BUFSIZE];

	pcm &= AC_SUPPCM_RATES;

	snd_iprintf(buffer, "    rates [0x%x]:", pcm);

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

		if (pcm & (1 << i))

			snd_iprintf(buffer, " %d", rates[i]);

	snd_iprintf(buffer, "\n");

	snd_print_pcm_rates(pcm, buf, sizeof(buf));

	snd_iprintf(buffer, "%s\n", buf);

}



static void print_pcm_bits(struct snd_info_buffer *buffer, unsigned int pcm)