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soundwire: sysfs: move sdw_slave_dev_attr_group into the existing list of groups

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The sysfs logic already creates a list of groups for the device, so add
the sdw_slave_dev_attr_group group to that list instead of having to do
a two-step process of adding a group list and then an individual group.

This is a step on the way to moving all of the sysfs attribute handling
into the default driver core attribute group logic so that the soundwire
core does not have to do any of it manually.

Cc: Vinod Koul <vkoul@kernel.org>
Cc: Bard Liao <yung-chuan.liao@linux.intel.com>
Cc: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Cc: Sanyog Kale <sanyog.r.kale@intel.com>
Cc: alsa-devel@alsa-project.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Tested-By: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Link: https://lore.kernel.org/r/2024013029-afternoon-suitably-cb59@gregkh
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Greg Kroah-Hartman 2024-01-30 10:46:28 -08:00 committed by Vinod Koul
parent 4cece76496
commit b1b11bb078
1 changed files with 10 additions and 5 deletions
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15
drivers/soundwire/sysfs_slave.c
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@ -105,7 +105,10 @@ static struct attribute *slave_attrs[] = {
&dev_attr_modalias.attr,
NULL,
};
ATTRIBUTE_GROUPS(slave);
static const struct attribute_group slave_attr_group = {
.attrs = slave_attrs,
};
static struct attribute *slave_dev_attrs[] = {
&dev_attr_mipi_revision.attr,
@ -190,6 +193,12 @@ static const struct attribute_group dp0_group = {
.name = "dp0",
};
static const struct attribute_group *slave_groups[] = {
&slave_attr_group,
&sdw_slave_dev_attr_group,
NULL,
};
int sdw_slave_sysfs_init(struct sdw_slave *slave)
{
int ret;
@ -198,10 +207,6 @@ int sdw_slave_sysfs_init(struct sdw_slave *slave)
if (ret < 0)
return ret;
ret = devm_device_add_group(&slave->dev, &sdw_slave_dev_attr_group);
if (ret < 0)
return ret;
if (slave->prop.dp0_prop) {
ret = devm_device_add_group(&slave->dev, &dp0_group);
if (ret < 0)