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iwlwifi: Added debugfs calib disabled write

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Added the option to disable calibration via debugfs.

Signed-off-by: David Spinadel <david.spinadel@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
This commit is contained in:
David Spinadel 2012-03-31 08:31:05 -07:00 committed by Wey-Yi Guy
parent 218733cf7d
commit 647ad135e3
1 changed files with 23 additions and 2 deletions
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25
drivers/net/wireless/iwlwifi/iwl-debugfs.c
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@ -2499,6 +2499,27 @@ static ssize_t iwl_dbgfs_calib_disabled_read(struct file *file,
return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
}
static ssize_t iwl_dbgfs_calib_disabled_write(struct file *file,
const char __user *user_buf,
size_t count, loff_t *ppos)
{
struct iwl_priv *priv = file->private_data;
char buf[8];
u32 calib_disabled;
int buf_size;
memset(buf, 0, sizeof(buf));
buf_size = min(count, sizeof(buf) - 1);
if (copy_from_user(buf, user_buf, buf_size))
return -EFAULT;
if (sscanf(buf, "%x", &calib_disabled) != 1)
return -EFAULT;
priv->calib_disabled = calib_disabled;
return count;
}
DEBUGFS_READ_FILE_OPS(rx_statistics);
DEBUGFS_READ_FILE_OPS(tx_statistics);
DEBUGFS_READ_WRITE_FILE_OPS(traffic_log);
@ -2523,7 +2544,7 @@ DEBUGFS_READ_WRITE_FILE_OPS(protection_mode);
DEBUGFS_READ_FILE_OPS(reply_tx_error);
DEBUGFS_WRITE_FILE_OPS(echo_test);
DEBUGFS_READ_WRITE_FILE_OPS(log_event);
DEBUGFS_READ_FILE_OPS(calib_disabled);
DEBUGFS_READ_WRITE_FILE_OPS(calib_disabled);
/*
* Create the debugfs files and directories
@ -2592,7 +2613,7 @@ int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
DEBUGFS_ADD_FILE(bt_traffic, dir_debug, S_IRUSR);
/* Calibrations disabled/enabled status*/
DEBUGFS_ADD_FILE(calib_disabled, dir_rf, S_IRUSR);
DEBUGFS_ADD_FILE(calib_disabled, dir_rf, S_IWUSR | S_IRUSR);
if (iwl_trans_dbgfs_register(priv->trans, dir_debug))
goto err;