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ideapad: Only allow camera state to be set to 0 or 1

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Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
David Woodhouse 2010-08-11 17:59:51 +01:00
parent ce326329d7
commit 2016e4a0a1
1 changed files with 1 additions and 1 deletions
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drivers/platform/x86/ideapad_acpi.c
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@ -140,7 +140,7 @@ static ssize_t store_ideapad_cam(struct device *dev,
return 0; return 0;
if (sscanf(buf, "%i", &state) != 1) if (sscanf(buf, "%i", &state) != 1)
return -EINVAL; return -EINVAL;
ret = ideapad_dev_set_state(IDEAPAD_DEV_CAMERA, state); ret = ideapad_dev_set_state(IDEAPAD_DEV_CAMERA, !!state);
if (ret < 0) if (ret < 0)
return ret; return ret;
return count; return count;