From: Hartmut Hackmann Date: Fri, 6 Oct 2006 22:45:23 +0000 (-0300) Subject: V4L/DVB (4727): Support status readout for saa713x based FM radio X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=2e7cf3ea5acc7ed57b8883cc6d35ffc06a5c95fa;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git V4L/DVB (4727): Support status readout for saa713x based FM radio This patch adds readout for stereo and signal level for saa713x cards which use the saa713x as FM demodulator. These are many cards based on saa7133, tda8290 and tda8275a. FM channel search should work now. Signed-off-by: Hartmut Hackmann Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/video/saa7134/saa7134-video.c b/drivers/media/video/saa7134/saa7134-video.c index 203302f21827..830617ea81cc 100644 --- a/drivers/media/video/saa7134/saa7134-video.c +++ b/drivers/media/video/saa7134/saa7134-video.c @@ -2248,7 +2248,11 @@ static int radio_do_ioctl(struct inode *inode, struct file *file, t->type = V4L2_TUNER_RADIO; saa7134_i2c_call_clients(dev, VIDIOC_G_TUNER, t); - + if (dev->input->amux == TV) { + t->signal = 0xf800 - ((saa_readb(0x581) & 0x1f) << 11); + t->rxsubchans = (saa_readb(0x529) & 0x08) ? + V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO; + } return 0; } case VIDIOC_S_TUNER: