ath5k: use a table for LED parameters

Put the device id-to-gpio mapping in a table to make it easier to add
new devices.  The list of supported devices is unchanged.

Signed-off-by: Bob Copeland <me@bobcopeland.com>
Acked-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 28 insertions, 25 deletions

diff --git a/drivers/net/wireless/ath5k/led.c b/drivers/net/wireless/ath5k/led.c
index 7cef2bb408df..e365fbd34237 100644
--- a/drivers/net/wireless/ath5k/led.c
+++ b/drivers/net/wireless/ath5k/led.c
@@ -43,6 +43,29 @@
 #include "ath5k.h"
 #include "base.h"
 
+#define ATH_SDEVICE(subv,subd) \
+        .vendor = PCI_ANY_ID, .device = PCI_ANY_ID, \
+        .subvendor = (subv), .subdevice = (subd)
+
+#define ATH_LED(pin,polarity) .driver_data = (((pin) << 8) | (polarity))
+#define ATH_PIN(data) ((data) >> 8)
+#define ATH_POLARITY(data) ((data) & 0xff)
+
+/* Devices we match on for LED config info (typically laptops) */
+static const struct pci_device_id ath5k_led_devices[] = {
+        /* IBM-specific AR5212 */
+        { PCI_VDEVICE(ATHEROS, PCI_DEVICE_ID_ATHEROS_AR5212_IBM), ATH_LED(0, 0) },
+        /* AR5211 */
+        { PCI_VDEVICE(ATHEROS, PCI_DEVICE_ID_ATHEROS_AR5211), ATH_LED(0, 0) },
+        /* HP Compaq nc6xx, nc4000, nx6000 */
+        { ATH_SDEVICE(PCI_VENDOR_ID_COMPAQ, PCI_ANY_ID), ATH_LED(1, 1) },
+        /* Acer Aspire One A150 (maximlevitsky@gmail.com) */
+        { ATH_SDEVICE(PCI_VENDOR_ID_FOXCONN, PCI_ANY_ID), ATH_LED(3, 0) },
+        /* E-machines E510 (tuliom@gmail.com) */
+        { ATH_SDEVICE(PCI_VENDOR_ID_AMBIT, PCI_ANY_ID), ATH_LED(3, 0) },
+        { }
+};
+
 void ath5k_led_enable(struct ath5k_softc *sc)
 {
         if (test_bit(ATH_STAT_LEDSOFT, sc->status)) {
@@ -114,39 +137,19 @@ void ath5k_unregister_leds(struct ath5k_softc *sc)
         ath5k_unregister_led(&sc->tx_led);
 }
 
-
 int ath5k_init_leds(struct ath5k_softc *sc)
 {
         int ret = 0;
         struct ieee80211_hw *hw = sc->hw;
         struct pci_dev *pdev = sc->pdev;
         char name[ATH5K_LED_MAX_NAME_LEN + 1];
+        const struct pci_device_id *match;
 
-        /*
-         * Auto-enable soft led processing for IBM cards and for
-         * 5211 minipci cards.
-         */
-        if (pdev->device == PCI_DEVICE_ID_ATHEROS_AR5212_IBM ||
-            pdev->device == PCI_DEVICE_ID_ATHEROS_AR5211) {
-                __set_bit(ATH_STAT_LEDSOFT, sc->status);
-                sc->led_pin = 0;
-                sc->led_on = 0;  /* active low */
-        }
-        /* Enable softled on PIN1 on HP Compaq nc6xx, nc4000 & nx5000 laptops */
-        if (pdev->subsystem_vendor == PCI_VENDOR_ID_COMPAQ) {
-                __set_bit(ATH_STAT_LEDSOFT, sc->status);
-                sc->led_pin = 1;
-                sc->led_on = 1;  /* active high */
-        }
-        /*
-         * Pin 3 on Foxconn chips used in Acer Aspire One (0x105b:e008) and
-         * in emachines notebooks with AMBIT subsystem.
-         */
-        if (pdev->subsystem_vendor == PCI_VENDOR_ID_FOXCONN ||
-            pdev->subsystem_vendor == PCI_VENDOR_ID_AMBIT) {
+        match = pci_match_id(&ath5k_led_devices[0], pdev);
+        if (match) {
                 __set_bit(ATH_STAT_LEDSOFT, sc->status);
-                sc->led_pin = 3;
-                sc->led_on = 0;  /* active low */
+                sc->led_pin = ATH_PIN(match->driver_data);
+                sc->led_on = ATH_POLARITY(match->driver_data);
         }
 
         if (!test_bit(ATH_STAT_LEDSOFT, sc->status))