+static int ab8500_gpadc_avg_sample_print(struct seq_file *s, void *p)
+{
+ return seq_printf(s, "%d\n", avg_sample);
+}
+
+static int ab8500_gpadc_avg_sample_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, ab8500_gpadc_avg_sample_print,
+ inode->i_private);
+}
+
+static ssize_t ab8500_gpadc_avg_sample_write(struct file *file,
+ const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct device *dev = ((struct seq_file *)(file->private_data))->private;
+ char buf[32];
+ int buf_size;
+ unsigned long user_avg_sample;
+ int err;
+
+ /* Get userspace string and assure termination */
+ buf_size = min(count, (sizeof(buf) - 1));
+ if (copy_from_user(buf, user_buf, buf_size))
+ return -EFAULT;
+ buf[buf_size] = 0;
+
+ err = strict_strtoul(buf, 0, &user_avg_sample);
+ if (err)
+ return -EINVAL;
+ if ((user_avg_sample == SAMPLE_1) || (user_avg_sample == SAMPLE_4)
+ || (user_avg_sample == SAMPLE_8)
+ || (user_avg_sample == SAMPLE_16)) {
+ avg_sample = (u8) user_avg_sample;
+ } else {
+ dev_err(dev, "debugfs error input: "
+ "should be egal to 1, 4, 8 or 16\n");
+ return -EINVAL;
+ }
+ return buf_size;
+}
+
+static const struct file_operations ab8500_gpadc_avg_sample_fops = {
+ .open = ab8500_gpadc_avg_sample_open,
+ .read = seq_read,
+ .write = ab8500_gpadc_avg_sample_write,
+ .llseek = seq_lseek,
+ .release = single_release,
+ .owner = THIS_MODULE,
+};
+
+static int ab8500_gpadc_trig_edge_print(struct seq_file *s, void *p)
+{
+ return seq_printf(s, "%d\n", trig_edge);
+}
+
+static int ab8500_gpadc_trig_edge_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, ab8500_gpadc_trig_edge_print,
+ inode->i_private);
+}
+
+static ssize_t ab8500_gpadc_trig_edge_write(struct file *file,
+ const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct device *dev = ((struct seq_file *)(file->private_data))->private;
+ char buf[32];
+ int buf_size;
+ unsigned long user_trig_edge;
+ int err;
+
+ /* Get userspace string and assure termination */
+ buf_size = min(count, (sizeof(buf) - 1));
+ if (copy_from_user(buf, user_buf, buf_size))
+ return -EFAULT;
+ buf[buf_size] = 0;
+
+ err = strict_strtoul(buf, 0, &user_trig_edge);
+ if (err)
+ return -EINVAL;
+ if ((user_trig_edge == RISING_EDGE)
+ || (user_trig_edge == FALLING_EDGE)) {
+ trig_edge = (u8) user_trig_edge;
+ } else {
+ dev_err(dev, "Wrong input:\n"
+ "Enter 0. Rising edge\n"
+ "Enter 1. Falling edge\n");
+ return -EINVAL;
+ }
+ return buf_size;
+}
+
+static const struct file_operations ab8500_gpadc_trig_edge_fops = {
+ .open = ab8500_gpadc_trig_edge_open,
+ .read = seq_read,
+ .write = ab8500_gpadc_trig_edge_write,
+ .llseek = seq_lseek,
+ .release = single_release,
+ .owner = THIS_MODULE,
+};
+
+static int ab8500_gpadc_trig_timer_print(struct seq_file *s, void *p)
+{
+ return seq_printf(s, "%d\n", trig_timer);
+}
+
+static int ab8500_gpadc_trig_timer_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, ab8500_gpadc_trig_timer_print,
+ inode->i_private);
+}
+
+static ssize_t ab8500_gpadc_trig_timer_write(struct file *file,
+ const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct device *dev = ((struct seq_file *)(file->private_data))->private;
+ char buf[32];
+ int buf_size;
+ unsigned long user_trig_timer;
+ int err;
+
+ /* Get userspace string and assure termination */
+ buf_size = min(count, (sizeof(buf) - 1));
+ if (copy_from_user(buf, user_buf, buf_size))
+ return -EFAULT;
+ buf[buf_size] = 0;
+
+ err = strict_strtoul(buf, 0, &user_trig_timer);
+ if (err)
+ return -EINVAL;
+ if ((user_trig_timer >= 0) && (user_trig_timer <= 255)) {
+ trig_timer = (u8) user_trig_timer;
+ } else {
+ dev_err(dev, "debugfs error input: "
+ "should be beetween 0 to 255\n");
+ return -EINVAL;
+ }
+ return buf_size;
+}
+
+static const struct file_operations ab8500_gpadc_trig_timer_fops = {
+ .open = ab8500_gpadc_trig_timer_open,
+ .read = seq_read,
+ .write = ab8500_gpadc_trig_timer_write,
+ .llseek = seq_lseek,
+ .release = single_release,
+ .owner = THIS_MODULE,
+};
+
+static int ab8500_gpadc_conv_type_print(struct seq_file *s, void *p)
+{
+ return seq_printf(s, "%d\n", conv_type);
+}
+
+static int ab8500_gpadc_conv_type_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, ab8500_gpadc_conv_type_print,
+ inode->i_private);
+}
+
+static ssize_t ab8500_gpadc_conv_type_write(struct file *file,
+ const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct device *dev = ((struct seq_file *)(file->private_data))->private;
+ char buf[32];
+ int buf_size;
+ unsigned long user_conv_type;
+ int err;
+
+ /* Get userspace string and assure termination */
+ buf_size = min(count, (sizeof(buf) - 1));
+ if (copy_from_user(buf, user_buf, buf_size))
+ return -EFAULT;
+ buf[buf_size] = 0;
+
+ err = strict_strtoul(buf, 0, &user_conv_type);
+ if (err)
+ return -EINVAL;
+ if ((user_conv_type == ADC_SW)
+ || (user_conv_type == ADC_HW)) {
+ conv_type = (u8) user_conv_type;
+ } else {
+ dev_err(dev, "Wrong input:\n"
+ "Enter 0. ADC SW conversion\n"
+ "Enter 1. ADC HW conversion\n");
+ return -EINVAL;
+ }
+ return buf_size;
+}
+
+static const struct file_operations ab8500_gpadc_conv_type_fops = {
+ .open = ab8500_gpadc_conv_type_open,
+ .read = seq_read,
+ .write = ab8500_gpadc_conv_type_write,
+ .llseek = seq_lseek,
+ .release = single_release,
+ .owner = THIS_MODULE,
+};
+