On 03/24/2014 02:05 AM, Kuninori Morimoto wrote:
Hi Jyri
The properties like format, bitclock-master, frame-master,
bitclock-inversion, and frame-inversion should be common to the dais
connected with a dai-link. For bitclock-master and frame-master
properties to be unambiguous they need to indicate the mastering dai
node with a phandle.
Signed-off-by: Jyri Sarha <jsa...@ti.com>
---
(snip)
/*
- * bitclock-inversion, frame-inversion
- * bitclock-master, frame-master
- * and specific "format" if it has
- */
- dai->fmt = snd_soc_of_parse_daifmt(np, NULL);
- dai->fmt |= daifmt;
-
- /*
* dai->sysclk come from
* "clocks = <&xxx>" (if system has common clock)
* or "system-clock-frequency = <xxx>"
[1/2] patch exchanged snd_soc_of_parse_daifmt() parameter,
but, user code exchanged in [2/2].
It breaks git-bisect.
Fixed that. Thanks!
+ dai_props->cpu_dai.fmt = daifmt;
+ switch (((np == bitclkmaster)<<4)|(np == framemaster)) {
+ case 0x11:
+ dai_props->cpu_dai.fmt |= SND_SOC_DAIFMT_CBS_CFS;
+ break;
+ case 0x10:
+ dai_props->cpu_dai.fmt |= SND_SOC_DAIFMT_CBS_CFM;
+ break;
+ case 0x01:
+ dai_props->cpu_dai.fmt |= SND_SOC_DAIFMT_CBM_CFS;
+ break;
+ default:
+ dai_props->cpu_dai.fmt |= SND_SOC_DAIFMT_CBM_CFM;
+ break;
+ }
The user of snd_soc_of_parse_daifmt() is only simple-card (?)
I think SND_SOC_DAIFMT_CBxx_CFx cared by snd_soc_of_parse_daifmt() somehow
is very reasonable.
Yes, that is what git grep tells me. snd_soc_of_parse_daifmt() can still
take care of SND_SOC_DAIFMT_CB?_CF? parsing in simple cases. I just felt
that adding the full phandle parsing to the function would break its
genericity and make the function parameters hard to understand.
Best regards,
Jyri
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