diff options
| author | Ike Panhc <ike.pan@canonical.com> | 2010-10-01 09:39:40 +0200 |
|---|---|---|
| committer | Matthew Garrett <mjg@redhat.com> | 2010-10-21 15:36:50 +0200 |
| commit | 26c81d5c9a88af404a5fef43caa259e8637fec94 (patch) | |
| tree | dce10bc349f2be5d07749650ab962eb91a68b321 /drivers/platform | |
| parent | ideapad: use return value of _CFG to tell if device exist or not (diff) | |
| download | linux-26c81d5c9a88af404a5fef43caa259e8637fec94.tar.xz linux-26c81d5c9a88af404a5fef43caa259e8637fec94.zip | |
ideapad: use EC command to control camera
Signed-off-by: Ike Panhc <ike.pan@canonical.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Diffstat (limited to 'drivers/platform')
| -rw-r--r-- | drivers/platform/x86/ideapad_acpi.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/platform/x86/ideapad_acpi.c b/drivers/platform/x86/ideapad_acpi.c index 1f736d143022..e45fc50b93dc 100644 --- a/drivers/platform/x86/ideapad_acpi.c +++ b/drivers/platform/x86/ideapad_acpi.c @@ -35,6 +35,7 @@ #define IDEAPAD_DEV_KILLSW 4 struct ideapad_private { + acpi_handle handle; struct rfkill *rfk[5]; }; @@ -207,24 +208,28 @@ static ssize_t show_ideapad_cam(struct device *dev, struct device_attribute *attr, char *buf) { - int state = ideapad_dev_get_state(IDEAPAD_DEV_CAMERA); - if (state < 0) - return state; + struct ideapad_private *priv = dev_get_drvdata(dev); + acpi_handle handle = priv->handle; + unsigned long result; - return sprintf(buf, "%d\n", state); + if (read_ec_data(handle, 0x1D, &result)) + return sprintf(buf, "-1\n"); + return sprintf(buf, "%lu\n", result); } static ssize_t store_ideapad_cam(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { + struct ideapad_private *priv = dev_get_drvdata(dev); + acpi_handle handle = priv->handle; int ret, state; if (!count) return 0; if (sscanf(buf, "%i", &state) != 1) return -EINVAL; - ret = ideapad_dev_set_state(IDEAPAD_DEV_CAMERA, !!state); + ret = write_ec_cmd(handle, 0x1E, state); if (ret < 0) return ret; return count; @@ -330,6 +335,7 @@ static int ideapad_acpi_add(struct acpi_device *adevice) } } + priv->handle = adevice->handle; dev_set_drvdata(&adevice->dev, priv); for (i = IDEAPAD_DEV_WLAN; i <= IDEAPAD_DEV_KILLSW; i++) { if (!devs_present[i]) |