From: Thierry Reding Date: Thu, 4 Aug 2011 07:14:08 +0000 (-0300) Subject: [media] tm6000: Disable video interface in radio mode X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=873545820a52e8ab6f6d54a748b1759b98f9354a;p=GitHub%2FLineageOS%2Fandroid_kernel_samsung_universal7580.git [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 --- diff --git a/drivers/staging/tm6000/tm6000-core.c b/drivers/staging/tm6000/tm6000-core.c index 2cd7bc4b293..f85e5f2cf75 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);