diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-01-13 10:32:54 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-01-13 10:32:54 -0800 |
| commit | 66dc918d42eaaa9afe42a47d07526765162017a9 (patch) | |
| tree | 947411841773dfb076f1aa78bc5be868bc4281a6 /drivers/gpio | |
| parent | b2034d474b7e1e8578bd5c2977024b51693269d9 (diff) | |
| parent | 6db9a0f326d3144d790d9479309df480a8f562e4 (diff) | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: (348 commits)
ALSA: hda - Fix NULL-derefence with a single mic in STAC auto-mic detection
ALSA: hda - Add missing NID 0x19 fixup for Sony VAIO
ALSA: hda - Fix ALC275 enable hardware EQ for SONY VAIO
ALSA: oxygen: fix Xonar DG input
ALSA: hda - Fix EAPD on Lenovo NB ALC269 to low
ALSA: hda - Fix missing EAPD for Acer 4930G
ALSA: hda: Disable 4/6 channels on some NVIDIA GPUs.
ALSA: hda - Add static_hdmi_pcm option to HDMI codec parser
ALSA: hda - Don't refer ELD when unplugged
ASoC: tpa6130a2: Fix compiler warning
ASoC: tlv320dac33: Add DAPM selection for LOM invert
ASoC: DMIC codec: Adding a generic DMIC codec
ALSA: snd-usb-us122l: Fix missing NULL checks
ALSA: snd-usb-us122l: Fix MIDI output
ASoC: soc-cache: Fix invalid memory access during snd_soc_lzo_cache_sync()
ASoC: Fix section mismatch in wm8995.c
ALSA: oxygen: add S/PDIF source selection for Claro cards
ALSA: oxygen: fix CD/MIDI for X-Meridian (2G)
ASoC: fix migor audio build
ALSA: include delay.h for msleep in Xonar DG support
...
Diffstat (limited to 'drivers/gpio')
| -rw-r--r-- | drivers/gpio/wm8994-gpio.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/gpio/wm8994-gpio.c b/drivers/gpio/wm8994-gpio.c index 618398e4ed8..c822baacd8f 100644 --- a/drivers/gpio/wm8994-gpio.c +++ b/drivers/gpio/wm8994-gpio.c @@ -35,6 +35,29 @@ static inline struct wm8994_gpio *to_wm8994_gpio(struct gpio_chip *chip) return container_of(chip, struct wm8994_gpio, gpio_chip); } +static int wm8994_gpio_request(struct gpio_chip *chip, unsigned offset) +{ + struct wm8994_gpio *wm8994_gpio = to_wm8994_gpio(chip); + struct wm8994 *wm8994 = wm8994_gpio->wm8994; + + switch (wm8994->type) { + case WM8958: + switch (offset) { + case 1: + case 2: + case 3: + case 4: + case 6: + return -EINVAL; + } + break; + default: + break; + } + + return 0; +} + static int wm8994_gpio_direction_in(struct gpio_chip *chip, unsigned offset) { struct wm8994_gpio *wm8994_gpio = to_wm8994_gpio(chip); @@ -136,6 +159,7 @@ static void wm8994_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip) static struct gpio_chip template_chip = { .label = "wm8994", .owner = THIS_MODULE, + .request = wm8994_gpio_request, .direction_input = wm8994_gpio_direction_in, .get = wm8994_gpio_get, .direction_output = wm8994_gpio_direction_out, |