diff options
| author | Marco Chiappero <marco@absence.it> | 2012-05-19 17:35:57 +0400 |
|---|---|---|
| committer | Matthew Garrett <mjg@redhat.com> | 2012-05-31 22:34:42 +0400 |
| commit | a1e73632408334f619cf94a69b560b74d0a2fadb (patch) | |
| tree | db5e2ff42b4b120f517d97978af3307b8461c261 /drivers/platform/x86/sony-laptop.c | |
| parent | aa33924f35842cc7544865fd13713d1bb88aee65 (diff) | |
| download | linux-a1e73632408334f619cf94a69b560b74d0a2fadb.tar.xz | |
sony-laptop: add support for more WWAN modems
Also make the initialization function return a value for consistency
with all the other setup functions.
Signed-off-by: Marco Chiappero <marco@absence.it>
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Diffstat (limited to 'drivers/platform/x86/sony-laptop.c')
| -rw-r--r-- | drivers/platform/x86/sony-laptop.c | 53 |
1 files changed, 34 insertions, 19 deletions
diff --git a/drivers/platform/x86/sony-laptop.c b/drivers/platform/x86/sony-laptop.c index e0bc418bd22d..6c1cdc39d028 100644 --- a/drivers/platform/x86/sony-laptop.c +++ b/drivers/platform/x86/sony-laptop.c @@ -170,7 +170,8 @@ enum sony_nc_rfkill { static int sony_rfkill_handle; static struct rfkill *sony_rfkill_devices[N_SONY_RFKILL]; static int sony_rfkill_address[N_SONY_RFKILL] = {0x300, 0x500, 0x700, 0x900}; -static void sony_nc_rfkill_setup(struct acpi_device *device); +static int sony_nc_rfkill_setup(struct acpi_device *device, + unsigned int handle); static void sony_nc_rfkill_cleanup(void); static void sony_nc_rfkill_update(void); @@ -1313,7 +1314,10 @@ static void sony_nc_function_setup(struct acpi_device *device, break; case 0x0124: case 0x0135: - sony_nc_rfkill_setup(device); + result = sony_nc_rfkill_setup(device, handle); + if (result) + pr_err("couldn't set up rfkill support (%d)\n", + result); break; case 0x0137: case 0x0143: @@ -1577,37 +1581,46 @@ static void sony_nc_rfkill_update(void) } } -static void sony_nc_rfkill_setup(struct acpi_device *device) +static int sony_nc_rfkill_setup(struct acpi_device *device, + unsigned int handle) { u64 offset; int i; unsigned char buffer[32] = { 0 }; - offset = sony_find_snc_handle(0x124); - if (offset == -1) { - offset = sony_find_snc_handle(0x135); - if (offset == -1) - return; - else - sony_rfkill_handle = 0x135; - } else - sony_rfkill_handle = 0x124; - dprintk("Found rkfill handle: 0x%.4x\n", sony_rfkill_handle); + offset = sony_find_snc_handle(handle); + sony_rfkill_handle = handle; i = sony_nc_buffer_call(sony_nc_acpi_handle, "SN06", &offset, buffer, 32); if (i < 0) - return; - - /* the buffer is filled with magic numbers describing the devices - * available, 0xff terminates the enumeration + return i; + + /* The buffer is filled with magic numbers describing the devices + * available, 0xff terminates the enumeration. + * Known codes: + * 0x00 WLAN + * 0x10 BLUETOOTH + * 0x20 WWAN GPRS-EDGE + * 0x21 WWAN HSDPA + * 0x22 WWAN EV-DO + * 0x23 WWAN GPS + * 0x25 Gobi WWAN no GPS + * 0x26 Gobi WWAN + GPS + * 0x28 Gobi WWAN no GPS + * 0x29 Gobi WWAN + GPS + * 0x30 WIMAX + * 0x50 Gobi WWAN no GPS + * 0x51 Gobi WWAN + GPS + * 0x70 no SIM card slot + * 0x71 SIM card slot */ for (i = 0; i < ARRAY_SIZE(buffer); i++) { if (buffer[i] == 0xff) break; - dprintk("Radio devices, looking at 0x%.2x\n", buffer[i]); + dprintk("Radio devices, found 0x%.2x\n", buffer[i]); if (buffer[i] == 0 && !sony_rfkill_devices[SONY_WIFI]) sony_nc_setup_rfkill(device, SONY_WIFI); @@ -1615,13 +1628,15 @@ static void sony_nc_rfkill_setup(struct acpi_device *device) if (buffer[i] == 0x10 && !sony_rfkill_devices[SONY_BLUETOOTH]) sony_nc_setup_rfkill(device, SONY_BLUETOOTH); - if ((0xf0 & buffer[i]) == 0x20 && + if (((0xf0 & buffer[i]) == 0x20 || + (0xf0 & buffer[i]) == 0x50) && !sony_rfkill_devices[SONY_WWAN]) sony_nc_setup_rfkill(device, SONY_WWAN); if (buffer[i] == 0x30 && !sony_rfkill_devices[SONY_WIMAX]) sony_nc_setup_rfkill(device, SONY_WIMAX); } + return 0; } /* Keyboard backlight feature */ |