diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-03-30 10:09:14 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-03-30 10:09:14 -0700 |
| commit | b94d10e7f6fce9af7d5054845511a00575c4b4f5 (patch) | |
| tree | 8be617e5d9cfc8a1fe232ac2b6454caec7ca466a /arch/arm/mach-pxa | |
| parent | b80e0d271606a0f5b35c85b11f9014ce09cbc415 (diff) | |
| parent | fd3a019534e0a9ada11bcc357a8faa9251029cbb (diff) | |
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (707 commits)
V4L/DVB (11316): saa7191: tuner ops wasn't set.
V4L/DVB (11315): cx25840: fix 'unused variable' warning.
V4L/DVB (11314): au8522: remove unused I2C_DRIVERID
V4L/DVB (11313): v4l2-subdev: add enum_framesizes and enum_frameintervals.
V4L/DVB (11312): tuner: remove V4L1 code from this driver.
V4L/DVB (11311): v4l: replace 'ioctl' references in v4l i2c drivers
V4L/DVB (11310): cx18: remove intermediate 'ioctl' step
V4L/DVB (11309): cx25840: cleanup: remove intermediate 'ioctl' step
V4L/DVB (11308): msp3400: use the V4L2 header since no V4L1 code is there
V4L/DVB (11305): cx88: prevent probing rtc and ir devices
V4L/DVB (11304): v4l2: remove v4l2_subdev_command calls where they are no longer needed.
V4L/DVB (11303): tda7432: remove legacy code for old-style i2c API
V4L/DVB (11302): tda9875: remove legacy code for old-style i2c API
V4L/DVB (11301): wm8775: remove legacy code for old-style i2c API
V4L/DVB (11300): cx88: convert to v4l2_subdev.
V4L/DVB (11298): cx25840: remove legacy code for old-style i2c API
V4L/DVB (11297): cx23885: convert to v4l2_subdev.
V4L/DVB (11296): cx23885: bugfix error message if firmware is not found
V4L/DVB (11295): cx23885: convert to v4l2_device.
V4L/DVB (11293): uvcvideo: Add zero fill for VIDIOC_ENUM_FMT
...
Diffstat (limited to 'arch/arm/mach-pxa')
| -rw-r--r-- | arch/arm/mach-pxa/pcm990-baseboard.c | 53 |
1 files changed, 44 insertions, 9 deletions
diff --git a/arch/arm/mach-pxa/pcm990-baseboard.c b/arch/arm/mach-pxa/pcm990-baseboard.c index f46698e20c1..6112740b4ae 100644 --- a/arch/arm/mach-pxa/pcm990-baseboard.c +++ b/arch/arm/mach-pxa/pcm990-baseboard.c @@ -380,14 +380,49 @@ static struct pca953x_platform_data pca9536_data = { .gpio_base = NR_BUILTIN_GPIO + 1, }; -static struct soc_camera_link iclink[] = { - { - .bus_id = 0, /* Must match with the camera ID above */ - .gpio = NR_BUILTIN_GPIO + 1, - }, { - .bus_id = 0, /* Must match with the camera ID above */ - .gpio = -ENXIO, +static int gpio_bus_switch; + +static int pcm990_camera_set_bus_param(struct soc_camera_link *link, + unsigned long flags) +{ + if (gpio_bus_switch <= 0) { + if (flags == SOCAM_DATAWIDTH_10) + return 0; + else + return -EINVAL; + } + + if (flags & SOCAM_DATAWIDTH_8) + gpio_set_value(gpio_bus_switch, 1); + else + gpio_set_value(gpio_bus_switch, 0); + + return 0; +} + +static unsigned long pcm990_camera_query_bus_param(struct soc_camera_link *link) +{ + int ret; + + if (!gpio_bus_switch) { + ret = gpio_request(NR_BUILTIN_GPIO + 1, "camera"); + if (!ret) { + gpio_bus_switch = NR_BUILTIN_GPIO + 1; + gpio_direction_output(gpio_bus_switch, 0); + } else + gpio_bus_switch = -EINVAL; } + + if (gpio_bus_switch > 0) + return SOCAM_DATAWIDTH_8 | SOCAM_DATAWIDTH_10; + else + return SOCAM_DATAWIDTH_10; +} + +static struct soc_camera_link iclink = { + .bus_id = 0, /* Must match with the camera ID above */ + .query_bus_param = pcm990_camera_query_bus_param, + .set_bus_param = pcm990_camera_set_bus_param, }; /* Board I2C devices. */ @@ -398,10 +433,10 @@ static struct i2c_board_info __initdata pcm990_i2c_devices[] = { .platform_data = &pca9536_data, }, { I2C_BOARD_INFO("mt9v022", 0x48), - .platform_data = &iclink[0], /* With extender */ + .platform_data = &iclink, /* With extender */ }, { I2C_BOARD_INFO("mt9m001", 0x5d), - .platform_data = &iclink[0], /* With extender */ + .platform_data = &iclink, /* With extender */ }, }; #endif /* CONFIG_VIDEO_PXA27x ||CONFIG_VIDEO_PXA27x_MODULE */ |