diff options
| author | Lee Jones <lee.jones@linaro.org> | 2013-02-26 18:04:37 +0400 |
|---|---|---|
| committer | Lee Jones <lee.jones@linaro.org> | 2013-03-07 08:28:55 +0400 |
| commit | 127629d74efff202372fbd6097e607fcb2c8a7af (patch) | |
| tree | 493778be7451322b81acdbe0d3d221450a1d7ed9 /drivers | |
| parent | c7ebaee292fb0f935752d50ef9bad1db74efde6e (diff) | |
| download | linux-127629d74efff202372fbd6097e607fcb2c8a7af.tar.xz | |
mfd: ab8500-debug: Add ADC input channel usb_id in debugfs
Signed-off-by: Yang QU <yang.qu@stericsson.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Reviewed-by: Alexandre BOURDIOL <alexandre.bourdiol@stericsson.com>
Reviewed-by: Philippe LANGLAIS <philippe.langlais@stericsson.com>
Reviewed-by: Mattias WALLIN <mattias.wallin@stericsson.com>
Acked-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mfd/ab8500-debugfs.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/drivers/mfd/ab8500-debugfs.c b/drivers/mfd/ab8500-debugfs.c index a653a0747b31..44c9bc1f2544 100644 --- a/drivers/mfd/ab8500-debugfs.c +++ b/drivers/mfd/ab8500-debugfs.c @@ -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); |