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Commit 127629d7 authored by Lee Jones's avatar Lee Jones
Browse files

mfd: ab8500-debug: Add ADC input channel usb_id in debugfs 



Signed-off-by: default avatarYang QU <yang.qu@stericsson.com>
Signed-off-by: default avatarLee Jones <lee.jones@linaro.org>
Reviewed-by: default avatarAlexandre BOURDIOL <alexandre.bourdiol@stericsson.com>
Reviewed-by: default avatarPhilippe LANGLAIS <philippe.langlais@stericsson.com>
Reviewed-by: default avatarMattias WALLIN <mattias.wallin@stericsson.com>
Acked-by: default avatarSamuel Ortiz <sameo@linux.intel.com>
parent c7ebaee2

drivers/mfd/ab8500-debugfs.c

+35 −0
Original line number Diff line number Diff line
@@ -1706,6 +1706,35 @@ static const struct file_operations ab8500_gpadc_die_temp_fops = { 
	.owner = THIS_MODULE,

};



static int ab8500_gpadc_usb_id_print(struct seq_file *s, void *p)

{

	int usb_id_raw;

	int usb_id_convert;

	struct ab8500_gpadc *gpadc;



	gpadc = ab8500_gpadc_get("ab8500-gpadc.0");

	usb_id_raw = ab8500_gpadc_read_raw(gpadc, USB_ID,

		avg_sample, trig_edge, trig_timer, conv_type);

	usb_id_convert = ab8500_gpadc_ad_to_voltage(gpadc, USB_ID,

		usb_id_raw);



	return seq_printf(s, "%d,0x%X\n",

			usb_id_convert, usb_id_raw);

}



static int ab8500_gpadc_usb_id_open(struct inode *inode, struct file *file)

{

	return single_open(file, ab8500_gpadc_usb_id_print, inode->i_private);

}



static const struct file_operations ab8500_gpadc_usb_id_fops = {

	.open = ab8500_gpadc_usb_id_open,

	.read = seq_read,

	.llseek = seq_lseek,

	.release = single_release,

	.owner = THIS_MODULE,

};



static int ab8540_gpadc_xtal_temp_print(struct seq_file *s, void *p)

{

	int xtal_temp_raw;
@@ -2712,6 +2741,12 @@ static int ab8500_debug_probe(struct platform_device *plf) 
	    ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_die_temp_fops);

	if (!file)

		goto err;



	file = debugfs_create_file("usb_id", (S_IRUGO | S_IWUGO),

		ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_usb_id_fops);

	if (!file)

		goto err;



	if (is_ab8540(ab8500)) {

		file = debugfs_create_file("xtal_temp", (S_IRUGO | S_IWUGO),

			ab8500_gpadc_dir, &plf->dev, &ab8540_gpadc_xtal_temp_fops);