ath5k: support LEDs on Acer Aspire One netbook

Add vendor ID for Foxconn and use it to set the ath5k LED gpio and
polarity for Acer branded laptops.

base.c:
Changes-licensed-under: 3-Clause-BSD

Reported-by: Maxim Levitsky <maximlevitsky@gmail.com>
Tested-by: Maxim Levitsky <maximlevitsky@gmail.com>
Tested-by: Andreas Mohr <andi@lisas.de>
Signed-off-by: Bob Copeland <me@bobcopeland.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/ath5k/base.c b/drivers/net/wireless/ath5k/base.c
index 88618645a7e44f88092a22122875fb37538db4a4..fdf7733e76e1974a50956ec5da3cdc39100143f5 100644 (file)
--- a/drivers/net/wireless/ath5k/base.c
+++ b/drivers/net/wireless/ath5k/base.c
@@ -2596,6 +2596,13 @@ ath5k_init_leds(struct ath5k_softc *sc)
                sc->led_pin = 1;
                sc->led_on = 1;  /* active high */
        }
+       /* Pin 3 on Foxconn chips used in Acer Aspire One (0x105b:e008) */
+       if (pdev->subsystem_vendor == PCI_VENDOR_ID_FOXCONN) {
+               __set_bit(ATH_STAT_LEDSOFT, sc->status);
+               sc->led_pin = 3;
+               sc->led_on = 0;  /* active low */
+       }
+
        if (!test_bit(ATH_STAT_LEDSOFT, sc->status))
                goto out;
 

diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 302423afa1363b3e23d2e3b84a4381326170c452..5b7a48c1d6165e641dcf6e226c318396122257f2 100644 (file)
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -834,6 +834,8 @@
 #define PCI_DEVICE_ID_PROMISE_20276    0x5275
 #define PCI_DEVICE_ID_PROMISE_20277    0x7275
 
+#define PCI_VENDOR_ID_FOXCONN          0x105b
+
 #define PCI_VENDOR_ID_UMC              0x1060
 #define PCI_DEVICE_ID_UMC_UM8673F      0x0101
 #define PCI_DEVICE_ID_UMC_UM8886BF     0x673a