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hwmon/f71882fg: Add a f71882fg_create_fan_sysfs_files helper function 

This is a preparation patch for not registering fan/pwm attributes for
some fans (rather then register them for all or for none).

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
This commit is contained in:
Hans de Goede 2011-09-09 12:12:34 +02:00 committed by Guenter Roeck
parent 5584014256
commit 9af0794c63
1 changed files with 64 additions and 44 deletions
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108
drivers/hwmon/f71882fg.c
View File

@ -2154,6 +2154,54 @@ static void f71882fg_remove_sysfs_files(struct platform_device *pdev,
device_remove_file(&pdev->dev, &attr[i].dev_attr);
}
static int __devinit f71882fg_create_fan_sysfs_files(
struct platform_device *pdev, int idx, bool pwm_auto_point)
{
struct f71882fg_data *data = platform_get_drvdata(pdev);
int err;
err = f71882fg_create_sysfs_files(pdev, &fxxxx_fan_attr[idx][0],
ARRAY_SIZE(fxxxx_fan_attr[0]));
if (err)
return err;
if (f71882fg_fan_has_beep[data->type]) {
err = f71882fg_create_sysfs_files(pdev,
&fxxxx_fan_beep_attr[idx],
1);
if (err)
return err;
}
if (!pwm_auto_point)
return 0; /* All done */
switch (data->type) {
case f71862fg:
err = f71882fg_create_sysfs_files(pdev,
&f71862fg_auto_pwm_attr[idx][0],
ARRAY_SIZE(f71862fg_auto_pwm_attr[0]));
break;
case f71808e:
case f71869:
err = f71882fg_create_sysfs_files(pdev,
&f71869_auto_pwm_attr[idx][0],
ARRAY_SIZE(f71869_auto_pwm_attr[0]));
break;
case f8000:
err = f71882fg_create_sysfs_files(pdev,
&f8000_auto_pwm_attr[idx][0],
ARRAY_SIZE(f8000_auto_pwm_attr[0]));
break;
default:
err = f71882fg_create_sysfs_files(pdev,
&fxxxx_auto_pwm_attr[idx][0],
ARRAY_SIZE(fxxxx_auto_pwm_attr[0]));
}
return err;
}
static int __devinit f71882fg_probe(struct platform_device *pdev)
{
struct f71882fg_data *data;
@ -2247,6 +2295,8 @@ static int __devinit f71882fg_probe(struct platform_device *pdev)
}
if (start_reg & 0x02) {
bool pwm_auto_point = true;
switch (data->type) {
case f71808e:
case f71808a:
@ -2298,18 +2348,6 @@ static int __devinit f71882fg_probe(struct platform_device *pdev)
goto exit_unregister_sysfs;
}
err = f71882fg_create_sysfs_files(pdev, &fxxxx_fan_attr[0][0],
ARRAY_SIZE(fxxxx_fan_attr[0]) * nr_fans);
if (err)
goto exit_unregister_sysfs;
if (f71882fg_fan_has_beep[data->type]) {
err = f71882fg_create_sysfs_files(pdev,
fxxxx_fan_beep_attr, nr_fans);
if (err)
goto exit_unregister_sysfs;
}
switch (data->type) {
case f71808e:
case f71808a:
@ -2331,59 +2369,41 @@ static int __devinit f71882fg_probe(struct platform_device *pdev)
"Auto pwm controlled by raw digital "
"data, disabling pwm auto_point "
"sysfs attributes\n");
goto no_pwm_auto_point;
pwm_auto_point = false;
}
break;
default:
break;
}
for (i = 0; i < nr_fans; i++) {
err = f71882fg_create_fan_sysfs_files(pdev, i,
pwm_auto_point);
if (err)
goto exit_unregister_sysfs;
dev_info(&pdev->dev, "Fan: %d is in %s mode\n", i + 1,
(data->pwm_enable & (1 << 2 * i)) ?
"duty-cycle" : "RPM");
}
/* Some types have 1 extra fan with limited functionality */
switch (data->type) {
case f71808a:
err = f71882fg_create_sysfs_files(pdev,
&fxxxx_auto_pwm_attr[0][0],
ARRAY_SIZE(fxxxx_auto_pwm_attr[0]) * nr_fans);
if (err)
goto exit_unregister_sysfs;
err = f71882fg_create_sysfs_files(pdev,
f71808a_fan3_attr,
ARRAY_SIZE(f71808a_fan3_attr));
break;
case f71862fg:
err = f71882fg_create_sysfs_files(pdev,
&f71862fg_auto_pwm_attr[0][0],
ARRAY_SIZE(f71862fg_auto_pwm_attr[0]) *
nr_fans);
break;
case f71808e:
case f71869:
err = f71882fg_create_sysfs_files(pdev,
&f71869_auto_pwm_attr[0][0],
ARRAY_SIZE(f71869_auto_pwm_attr[0]) * nr_fans);
break;
case f8000:
err = f71882fg_create_sysfs_files(pdev,
f8000_fan_attr,
ARRAY_SIZE(f8000_fan_attr));
if (err)
goto exit_unregister_sysfs;
err = f71882fg_create_sysfs_files(pdev,
&f8000_auto_pwm_attr[0][0],
ARRAY_SIZE(f8000_auto_pwm_attr[0]) * nr_fans);
break;
default:
err = f71882fg_create_sysfs_files(pdev,
&fxxxx_auto_pwm_attr[0][0],
ARRAY_SIZE(fxxxx_auto_pwm_attr[0]) * nr_fans);
break;
}
if (err)
goto exit_unregister_sysfs;
no_pwm_auto_point:
for (i = 0; i < nr_fans; i++)
dev_info(&pdev->dev, "Fan: %d is in %s mode\n", i + 1,
(data->pwm_enable & (1 << 2 * i)) ?
"duty-cycle" : "RPM");
}
data->hwmon_dev = hwmon_device_register(&pdev->dev);