diff options
| author | Steven Toth <stoth@kernellabs.com> | 2012-01-04 17:52:26 +0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-01-05 02:48:09 +0400 |
| commit | 182d29f307a1e99a05f05c155c8218b294d180ab (patch) | |
| tree | c01d8012e80e20cf5834fb190b9a31d0db066c55 /drivers/media/video/cx23885/cx23885-417.c | |
| parent | 4c3764d15050f91a76cede6f24402cd2701e73ef (diff) | |
| download | linux-182d29f307a1e99a05f05c155c8218b294d180ab.tar.xz | |
[media] cx23885: Cleanup MPEG encoder GPIO handling
During initialization the prior GPIO's were not being preserved
and restore correctly. Small cleanups to configure the GPIO's
for the HVR1700, HVR1800 and HVR1850.
Signed-off-by: Steven Toth <stoth@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/cx23885/cx23885-417.c')
| -rw-r--r-- | drivers/media/video/cx23885/cx23885-417.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/media/video/cx23885/cx23885-417.c b/drivers/media/video/cx23885/cx23885-417.c index 67c4a59bd882..c5ddcac96cb1 100644 --- a/drivers/media/video/cx23885/cx23885-417.c +++ b/drivers/media/video/cx23885/cx23885-417.c @@ -900,6 +900,7 @@ static int cx23885_load_firmware(struct cx23885_dev *dev) int i, retval = 0; u32 value = 0; u32 gpio_output = 0; + u32 gpio_value; u32 checksum = 0; u32 *dataptr; @@ -907,7 +908,7 @@ static int cx23885_load_firmware(struct cx23885_dev *dev) /* Save GPIO settings before reset of APU */ retval |= mc417_memory_read(dev, 0x9020, &gpio_output); - retval |= mc417_memory_read(dev, 0x900C, &value); + retval |= mc417_memory_read(dev, 0x900C, &gpio_value); retval = mc417_register_write(dev, IVTV_REG_VPU, 0xFFFFFFED); @@ -991,11 +992,18 @@ static int cx23885_load_firmware(struct cx23885_dev *dev) /* F/W power up disturbs the GPIOs, restore state */ retval |= mc417_register_write(dev, 0x9020, gpio_output); - retval |= mc417_register_write(dev, 0x900C, value); + retval |= mc417_register_write(dev, 0x900C, gpio_value); retval |= mc417_register_read(dev, IVTV_REG_VPU, &value); retval |= mc417_register_write(dev, IVTV_REG_VPU, value & 0xFFFFFFE8); + /* Hardcoded GPIO's here */ + retval |= mc417_register_write(dev, 0x9020, 0x4000); + retval |= mc417_register_write(dev, 0x900C, 0x4000); + + mc417_register_read(dev, 0x9020, &gpio_output); + mc417_register_read(dev, 0x900C, &gpio_value); + if (retval < 0) printk(KERN_ERR "%s: Error with mc417_register_write\n", __func__); |