ACPI: EC: Add ec_get_handle()
toshiba_acpi needs to execute an AML method within the EC namespace to make hotkeys work on some platforms. Provide an interface to allow it to easily get a handle to the EC namespace for this purpose. Signed-off-by: Seth Forshee <seth.forshee@canonical.com> Signed-off-by: Matthew Garrett <mjg@redhat.com>
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@ -445,6 +445,16 @@ int ec_transaction(u8 command,
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EXPORT_SYMBOL(ec_transaction);
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/* Get the handle to the EC device */
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acpi_handle ec_get_handle(void)
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{
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if (!first_ec)
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return NULL;
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return first_ec->handle;
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}
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EXPORT_SYMBOL(ec_get_handle);
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void acpi_ec_block_transactions(void)
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{
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struct acpi_ec *ec = first_ec;
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@ -151,6 +151,7 @@ extern int ec_write(u8 addr, u8 val);
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extern int ec_transaction(u8 command,
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const u8 *wdata, unsigned wdata_len,
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u8 *rdata, unsigned rdata_len);
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extern acpi_handle ec_get_handle(void);
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#if defined(CONFIG_ACPI_WMI) || defined(CONFIG_ACPI_WMI_MODULE)
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