From 873545820a52e8ab6f6d54a748b1759b98f9354a Mon Sep 17 00:00:00 2001 From: Thierry Reding Date: Thu, 4 Aug 2011 04:14:08 -0300 Subject: [PATCH] [media] tm6000: Disable video interface in radio mode Video data is useless in radio mode, so the corresponding interface can be safely disabled. This should reduce the amount of isochronous traffic noticeably. Signed-off-by: Thierry Reding Signed-off-by: Mauro Carvalho Chehab --- drivers/staging/tm6000/tm6000-core.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/staging/tm6000/tm6000-core.c b/drivers/staging/tm6000/tm6000-core.c index 2cd7bc4b293b..f85e5f2cf75d 100644 --- a/drivers/staging/tm6000/tm6000-core.c +++ b/drivers/staging/tm6000/tm6000-core.c @@ -267,9 +267,14 @@ int tm6000_init_analog_mode(struct tm6000_core *dev) struct v4l2_frequency f; if (dev->dev_type == TM6010) { + u8 active = TM6010_REQ07_RCC_ACTIVE_IF_AUDIO_ENABLE; + + if (!dev->radio) + active |= TM6010_REQ07_RCC_ACTIVE_IF_VIDEO_ENABLE; + /* Enable video and audio */ tm6000_set_reg_mask(dev, TM6010_REQ07_RCC_ACTIVE_IF, - 0x60, 0x60); + active, 0x60); /* Disable TS input */ tm6000_set_reg_mask(dev, TM6010_REQ07_RC0_ACTIVE_VIDEO_SOURCE, 0x00, 0x40); -- 2.39.5