linux-kernel - Re: [PATCHv2 1/4] ASoC: simple-card: add asoc_simple_card_fmt

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <5405A598.4050208@ti.com>
Date:	Tue, 2 Sep 2014 14:10:16 +0300
From:	Jyri Sarha <jsarha@...com>
To:	Xiubo Li <Li.Xiubo@...escale.com>, <broonie@...nel.org>,
	<perex@...ex.cz>, <lgirdwood@...il.com>, <tiwai@...e.de>,
	<moinejf@...e.fr>, <andrew@...n.ch>,
	<kuninori.morimoto.gx@...esas.com>, <devicetree@...r.kernel.org>,
	<alsa-devel@...a-project.org>, <robh+dt@...nel.org>,
	<pawel.moll@....com>, <mark.rutland@....com>,
	<ijc+devicetree@...lion.org.uk>, <galak@...eaurora.org>
CC:	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCHv2 1/4] ASoC: simple-card: add asoc_simple_card_fmt_master()
 to simplify the code.

On 09/02/2014 12:26 PM, Xiubo Li wrote:
> Signed-off-by: Xiubo Li <Li.Xiubo@...escale.com>
> ---
>   sound/soc/generic/simple-card.c | 61 ++++++++++++++++++++---------------------
>   1 file changed, 29 insertions(+), 32 deletions(-)
>
> diff --git a/sound/soc/generic/simple-card.c b/sound/soc/generic/simple-card.c
> index 986d2c7..cad2b30 100644
> --- a/sound/soc/generic/simple-card.c
> +++ b/sound/soc/generic/simple-card.c
> @@ -163,6 +163,26 @@ asoc_simple_card_sub_parse_of(struct device_node *np,
>   	return 0;
>   }
>
> +static inline unsigned int
> +asoc_simple_card_fmt_master(struct device_node *np,
> +			    struct device_node *bitclkmaster,
> +			    struct device_node *framemaster)
> +{
> +	switch (((np == bitclkmaster) << 4) | (np == framemaster)) {
> +	case 0x11:
> +		return SND_SOC_DAIFMT_CBS_CFS;
> +	case 0x10:
> +		return SND_SOC_DAIFMT_CBS_CFM;
> +	case 0x01:
> +		return SND_SOC_DAIFMT_CBM_CFS;
> +	default:
> +		return SND_SOC_DAIFMT_CBM_CFM;
> +	}
> +
> +	/* Shouldn't be here */
> +	return -EINVAL;
> +}
> +
....
> +	fmt = asoc_simple_card_fmt_master(np, bitclkmaster, framemaster);
> +	dai_props->cpu_dai.fmt = daifmt | fmt;
...
> +		fmt = asoc_simple_card_fmt_master(np, bitclkmaster,
> +						  framemaster);
> +		dai_props->codec_dai.fmt = daifmt | fmt;

This won't work. The logic for cpu node needs to be negated for codec node.

Best regards,
Jyri
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/