linux-kernel - Re: [PATCH 10/14] soundwire: Add sysfs for SoundWire DisCo properties

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Date:   Sat, 21 Oct 2017 10:42:53 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Vinod Koul <vinod.koul@...el.com>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        LKML <linux-kernel@...r.kernel.org>,
        ALSA <alsa-devel@...a-project.org>, Takashi <tiwai@...e.de>,
        Pierre <pierre-louis.bossart@...ux.intel.com>,
        Sanyog Kale <sanyog.r.kale@...el.com>,
        Shreyas NC <shreyas.nc@...el.com>, patches.audio@...el.com,
        alan@...ux.intel.com,
        Charles Keepax <ckeepax@...nsource.cirrus.com>,
        Sagar Dharia <sdharia@...eaurora.org>,
        srinivas.kandagatla@...aro.org, plai@...eaurora.org,
        Sudheer Papothi <spapothi@...eaurora.org>
Subject: Re: [PATCH 10/14] soundwire: Add sysfs for SoundWire DisCo properties

On Thu, Oct 19, 2017 at 08:33:26AM +0530, Vinod Koul wrote:

> +static ssize_t clock_frequencies_show(struct sdw_bus *bus,
> +			struct sdw_prop_attribute *attr, char *buf)
> +{
> +	ssize_t size = 0;
> +	int i;
> +
> +	for (i = 0; i < bus->prop.num_freq; i++)
> +		size += sprintf(buf + size, "%8d\n", bus->prop.freq[i]);
> +
> +	return size;
> +}

sysfs is supposed to be one value per file...

> +int sdw_sysfs_slave_init(struct sdw_slave *slave)
> +{
> +	/* TODO: Initialize dp0 and dpn kobject and attribute */
> +	return 0;
> +}
> +
> +void sdw_sysfs_slave_exit(struct sdw_slave *slave)
> +{
> +}

Seems like an important TODO?

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