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ASoC: core: Update snd_soc_of_parse_daifmt() interface 

Adds struct device_node **bitclkmaster and struct device_node **framemaster
function parameters. With the new syntax bitclock-master and frame-master
properties can explicitly indicate the dai-link bit-clock and frame masters
with a phandle. This patch also makes the minimal changes to simple-card
for it to work with the updated snd_soc_of_parse_daifmt(). Simple-card appears
to be the only user of snd_soc_of_parse_daifmt() for now.

Signed-off-by: Jyri Sarha <jsarha@ti.com>
Acked-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mark Brown <broonie@linaro.org>
hifive-unleashed-5.1
Jyri Sarha 2014-03-24 12:15:24 +02:00 committed by Mark Brown
parent c9eaa447e7
commit 389cb8348c
3 changed files with 13 additions and 4 deletions
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4
include/sound/soc.h
View File

@ -1241,7 +1241,9 @@ int snd_soc_of_parse_tdm_slot(struct device_node *np,
int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,
const char *propname);
unsigned int snd_soc_of_parse_daifmt(struct device_node *np,
const char *prefix);
const char *prefix,
struct device_node **bitclkmaster,
struct device_node **framemaster);
int snd_soc_of_get_dai_name(struct device_node *of_node,
const char **dai_name);

5
sound/soc/generic/simple-card.c
View File

@ -121,7 +121,7 @@ asoc_simple_card_sub_parse_of(struct device_node *np,
* bitclock-master, frame-master
* and specific "format" if it has
*/
dai->fmt = snd_soc_of_parse_daifmt(np, NULL);
dai->fmt = snd_soc_of_parse_daifmt(np, NULL, NULL, NULL);
dai->fmt |= daifmt;
/*
@ -201,7 +201,8 @@ static int asoc_simple_card_parse_of(struct device_node *node,
snd_soc_of_parse_card_name(&priv->snd_card, "simple-audio-card,name");
/* get CPU/CODEC common format via simple-audio-card,format */
daifmt = snd_soc_of_parse_daifmt(node, "simple-audio-card,") &
daifmt = snd_soc_of_parse_daifmt(node, "simple-audio-card,", NULL,
NULL) &
(SND_SOC_DAIFMT_FORMAT_MASK | SND_SOC_DAIFMT_INV_MASK);
/* off-codec widgets */

8
sound/soc/soc-core.c
View File

@ -4554,7 +4554,9 @@ int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,
EXPORT_SYMBOL_GPL(snd_soc_of_parse_audio_routing);
unsigned int snd_soc_of_parse_daifmt(struct device_node *np,
const char *prefix)
const char *prefix,
struct device_node **bitclkmaster,
struct device_node **framemaster)
{
int ret, i;
char prop[128];
@ -4637,9 +4639,13 @@ unsigned int snd_soc_of_parse_daifmt(struct device_node *np,
*/
snprintf(prop, sizeof(prop), "%sbitclock-master", prefix);
bit = !!of_get_property(np, prop, NULL);
if (bit && bitclkmaster)
*bitclkmaster = of_parse_phandle(np, prop, 0);
snprintf(prop, sizeof(prop), "%sframe-master", prefix);
frame = !!of_get_property(np, prop, NULL);
if (frame && framemaster)
*framemaster = of_parse_phandle(np, prop, 0);
switch ((bit << 4) + frame) {
case 0x11: