diff options
| -rw-r--r-- | Documentation/laptops/thinkpad-acpi.txt | 1 | ||||
| -rw-r--r-- | drivers/platform/x86/thinkpad_acpi.c | 46 |
2 files changed, 42 insertions, 5 deletions
diff --git a/Documentation/laptops/thinkpad-acpi.txt b/Documentation/laptops/thinkpad-acpi.txt index abbbe78a003..25ed43d0a21 100644 --- a/Documentation/laptops/thinkpad-acpi.txt +++ b/Documentation/laptops/thinkpad-acpi.txt @@ -1497,6 +1497,7 @@ to enable more than one output class, just add their values. 0x0004 RF Transmitter control (RFKILL) (bluetooth, WWAN, UWB...) 0x0008 HKEY event interface, hotkeys + 0x0010 Fan control There is also a kernel build option to enable more debugging information, which may be necessary to debug driver problems. diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c index 0a4796a246e..4eec77032a7 100644 --- a/drivers/platform/x86/thinkpad_acpi.c +++ b/drivers/platform/x86/thinkpad_acpi.c @@ -191,6 +191,7 @@ enum { #define TPACPI_DBG_EXIT 0x0002 #define TPACPI_DBG_RFKILL 0x0004 #define TPACPI_DBG_HKEY 0x0008 +#define TPACPI_DBG_FAN 0x0010 #define onoff(status, bit) ((status) & (1 << (bit)) ? "on" : "off") #define enabled(status, bit) ((status) & (1 << (bit)) ? "enabled" : "disabled") @@ -6271,6 +6272,9 @@ static int fan_set_level(int level) default: return -ENXIO; } + + vdbg_printk(TPACPI_DBG_FAN, + "fan control: set fan control register to 0x%02x\n", level); return 0; } @@ -6348,6 +6352,11 @@ static int fan_set_enable(void) } mutex_unlock(&fan_mutex); + + if (!rc) + vdbg_printk(TPACPI_DBG_FAN, + "fan control: set fan control register to 0x%02x\n", + s); return rc; } @@ -6384,6 +6393,9 @@ static int fan_set_disable(void) rc = -ENXIO; } + if (!rc) + vdbg_printk(TPACPI_DBG_FAN, + "fan control: set fan control register to 0\n"); mutex_unlock(&fan_mutex); return rc; @@ -6512,6 +6524,9 @@ static ssize_t fan_pwm1_enable_store(struct device *dev, if (parse_strtoul(buf, 2, &t)) return -EINVAL; + tpacpi_disclose_usertask("hwmon pwm1_enable", + "set fan mode to %lu\n", t); + switch (t) { case 0: level = TP_EC_FAN_FULLSPEED; @@ -6577,6 +6592,9 @@ static ssize_t fan_pwm1_store(struct device *dev, if (parse_strtoul(buf, 255, &s)) return -EINVAL; + tpacpi_disclose_usertask("hwmon pwm1", + "set fan speed to %lu\n", s); + /* scale down from 0-255 to 0-7 */ newlevel = (s >> 5) & 0x07; @@ -6643,6 +6661,8 @@ static ssize_t fan_fan_watchdog_store(struct device_driver *drv, fan_watchdog_maxinterval = t; fan_watchdog_reset(); + tpacpi_disclose_usertask("fan_watchdog", "set to %lu\n", t); + return count; } @@ -6664,7 +6684,8 @@ static int __init fan_init(struct ibm_init_struct *iibm) { int rc; - vdbg_printk(TPACPI_DBG_INIT, "initializing fan subdriver\n"); + vdbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_FAN, + "initializing fan subdriver\n"); mutex_init(&fan_mutex); fan_status_access_mode = TPACPI_FAN_NONE; @@ -6723,7 +6744,8 @@ static int __init fan_init(struct ibm_init_struct *iibm) } } - vdbg_printk(TPACPI_DBG_INIT, "fan is %s, modes %d, %d\n", + vdbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_FAN, + "fan is %s, modes %d, %d\n", str_supported(fan_status_access_mode != TPACPI_FAN_NONE || fan_control_access_mode != TPACPI_FAN_WR_NONE), fan_status_access_mode, fan_control_access_mode); @@ -6732,7 +6754,7 @@ static int __init fan_init(struct ibm_init_struct *iibm) if (!fan_control_allowed) { fan_control_access_mode = TPACPI_FAN_WR_NONE; fan_control_commands = 0; - dbg_printk(TPACPI_DBG_INIT, + dbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_FAN, "fan control features disabled by parameter\n"); } @@ -6761,7 +6783,7 @@ static int __init fan_init(struct ibm_init_struct *iibm) static void fan_exit(void) { - vdbg_printk(TPACPI_DBG_EXIT, + vdbg_printk(TPACPI_DBG_EXIT | TPACPI_DBG_FAN, "cancelling any pending fan watchdog tasks\n"); /* FIXME: can we really do this unconditionally? */ @@ -6942,6 +6964,9 @@ static int fan_write_cmd_level(const char *cmd, int *rc) if (*rc == -ENXIO) printk(TPACPI_ERR "level command accepted for unsupported " "access mode %d", fan_control_access_mode); + else if (!*rc) + tpacpi_disclose_usertask("procfs fan", + "set level to %d\n", level); return 1; } @@ -6955,6 +6980,8 @@ static int fan_write_cmd_enable(const char *cmd, int *rc) if (*rc == -ENXIO) printk(TPACPI_ERR "enable command accepted for unsupported " "access mode %d", fan_control_access_mode); + else if (!*rc) + tpacpi_disclose_usertask("procfs fan", "enable\n"); return 1; } @@ -6968,6 +6995,8 @@ static int fan_write_cmd_disable(const char *cmd, int *rc) if (*rc == -ENXIO) printk(TPACPI_ERR "disable command accepted for unsupported " "access mode %d", fan_control_access_mode); + else if (!*rc) + tpacpi_disclose_usertask("procfs fan", "disable\n"); return 1; } @@ -6986,6 +7015,9 @@ static int fan_write_cmd_speed(const char *cmd, int *rc) if (*rc == -ENXIO) printk(TPACPI_ERR "speed command accepted for unsupported " "access mode %d", fan_control_access_mode); + else if (!*rc) + tpacpi_disclose_usertask("procfs fan", + "set speed to %d\n", speed); return 1; } @@ -6999,8 +7031,12 @@ static int fan_write_cmd_watchdog(const char *cmd, int *rc) if (interval < 0 || interval > 120) *rc = -EINVAL; - else + else { fan_watchdog_maxinterval = interval; + tpacpi_disclose_usertask("procfs fan", + "set watchdog timer to %d\n", + interval); + } return 1; } |