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Commit 5d72c848 authored by Jens Taprogge's avatar Jens Taprogge Committed by Greg Kroah-Hartman
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Staging: ipack: Provide ID Prom through sysfs. 



Signed-off-by: default avatarJens Taprogge <jens.taprogge@taprogge.org>
Signed-off-by: default avatarSamuel Iglesias Gonsálvez <siglesias@igalia.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 35eb97bb

drivers/staging/ipack/ipack.c

+31 −0
Original line number Diff line number Diff line
@@ -120,6 +120,36 @@ field##_show(struct device *dev, struct device_attribute *attr, \ 
	return sprintf(buf, format_string, idev->field);		\

}



static ssize_t id_show(struct device *dev,

		       struct device_attribute *attr, char *buf)

{

	unsigned int i, c, l, s;

	struct ipack_device *idev = to_ipack_dev(dev);





	switch (idev->id_format) {

	case IPACK_ID_VERSION_1:

		l = 0x7; s = 1; break;

	case IPACK_ID_VERSION_2:

		l = 0xf; s = 2; break;

	default:

		return -EIO;

	}

	c = 0;

	for (i = 0; i < idev->id_avail; i++) {

		if (i > 0) {

			if ((i & l) == 0)

				buf[c++] = '\n';

			else if ((i & s) == 0)

				buf[c++] = ' ';

		}

		sprintf(&buf[c], "%02x", idev->id[i]);

		c += 2;

	}

	buf[c++] = '\n';

	return c;

}



static ssize_t

id_vendor_show(struct device *dev, struct device_attribute *attr, char *buf)

{
@@ -160,6 +190,7 @@ static ssize_t modalias_show(struct device *dev, struct device_attribute *attr, 
ipack_device_attr(id_format, "0x%hhu\n");



static struct device_attribute ipack_dev_attrs[] = {

	__ATTR_RO(id),

	__ATTR_RO(id_device),

	__ATTR_RO(id_format),

	__ATTR_RO(id_vendor),