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authorLinus Torvalds <torvalds@linux-foundation.org>2014-08-06 03:36:30 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2014-08-06 03:36:30 +0400
commitf4d33337eac4007793ca11fd1ab68d91ce7aa762 (patch)
treeb775ad213179822225a3e1c1a27e4cc16f8aff68 /drivers/media/dvb-frontends/mb86a20s.c
parent91c2ff7708d4edf73ef1f0abb3ea4a44b4b0cf1d (diff)
parent0f3bf3dc1ca394a8385079a5653088672b65c5c4 (diff)
downloadlinux-f4d33337eac4007793ca11fd1ab68d91ce7aa762.tar.xz
Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab: - removal of sn9c102. This device driver was replaced a long time ago by gspca - solo6x10 and go7007 webcam drivers moved from staging into mainstream. They were waiting for an API to allow setting the image detection matrix - SDR drivers moved from staging into mainstream: sdr-msi3101 (renamed as msi2500) and rtl2832 - added SDR driver for airspy - added demux driver: si2165 - rework at several RC subsystem, making the code for RC-5 SZ variant to be added at the standard RC5 decoder - added decoder for the XMP IR protocol - tuner driver moved from staging into mainstream: msi3101 (renamed as msi001) - added documentation for some additional SDR pixfmt - some device tree bindings documented - added support for exynos3250 at s5p-jpeg - remove the obsolete, unmaintained and broken mx1_camera driver - added support for remote controllers at au0828 driver - added a RC driver: sunxi-cir - several driver fixes, enhancements and cleanups. * 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (455 commits) [media] cx23885: fix UNSET/TUNER_ABSENT confusion [media] coda: fix build error by making reset control optional [media] radio-miropcm20: fix sparse NULL pointer warning [media] MAINTAINERS: Update go7007 pattern [media] MAINTAINERS: Update solo6x10 patterns [media] media: atmel-isi: add primary DT support [media] media: atmel-isi: convert the pdata from pointer to structure [media] media: atmel-isi: add v4l2 async probe support [media] rcar_vin: add devicetree support [media] media: pxa_camera device-tree support [media] media: mt9m111: add device-tree suppport [media] soc_camera: add support for dt binding soc_camera drivers [media] media: soc_camera: pxa_camera documentation device-tree support [media] media: mt9m111: add device-tree documentation [media] s5p-mfc: remove unnecessary calling to function video_devdata() [media] s5p-jpeg: add chroma subsampling adjustment for Exynos3250 [media] s5p-jpeg: Prevent erroneous downscaling for Exynos3250 SoC [media] s5p-jpeg: Assure proper crop rectangle initialization [media] s5p-jpeg: fix g_selection op [media] s5p-jpeg: Adjust jpeg_bound_align_image to Exynos3250 needs ...
Diffstat (limited to 'drivers/media/dvb-frontends/mb86a20s.c')
-rw-r--r--drivers/media/dvb-frontends/mb86a20s.c35
1 files changed, 13 insertions, 22 deletions
diff --git a/drivers/media/dvb-frontends/mb86a20s.c b/drivers/media/dvb-frontends/mb86a20s.c
index 2f458bb188c7..b931179c70a4 100644
--- a/drivers/media/dvb-frontends/mb86a20s.c
+++ b/drivers/media/dvb-frontends/mb86a20s.c
@@ -459,6 +459,9 @@ static int mb86a20s_get_interleaving(struct mb86a20s_state *state,
unsigned layer)
{
int rc;
+ int interleaving[] = {
+ 0, 1, 2, 4, 8
+ };
static unsigned char reg[] = {
[0] = 0x88, /* Layer A */
@@ -475,20 +478,7 @@ static int mb86a20s_get_interleaving(struct mb86a20s_state *state,
if (rc < 0)
return rc;
- switch ((rc >> 4) & 0x07) {
- case 1:
- return GUARD_INTERVAL_1_4;
- case 2:
- return GUARD_INTERVAL_1_8;
- case 3:
- return GUARD_INTERVAL_1_16;
- case 4:
- return GUARD_INTERVAL_1_32;
-
- default:
- case 0:
- return GUARD_INTERVAL_AUTO;
- }
+ return interleaving[(rc >> 4) & 0x07];
}
static int mb86a20s_get_segment_count(struct mb86a20s_state *state,
@@ -566,7 +556,7 @@ static u32 isdbt_rate[3][5][4] = {
static void mb86a20s_layer_bitrate(struct dvb_frontend *fe, u32 layer,
u32 modulation, u32 forward_error_correction,
- u32 interleaving,
+ u32 guard_interval,
u32 segment)
{
struct mb86a20s_state *state = fe->demodulator_priv;
@@ -574,7 +564,7 @@ static void mb86a20s_layer_bitrate(struct dvb_frontend *fe, u32 layer,
int mod, fec, guard;
/*
- * If modulation/fec/interleaving is not detected, the default is
+ * If modulation/fec/guard is not detected, the default is
* to consider the lowest bit rate, to avoid taking too long time
* to get BER.
*/
@@ -612,7 +602,7 @@ static void mb86a20s_layer_bitrate(struct dvb_frontend *fe, u32 layer,
break;
}
- switch (interleaving) {
+ switch (guard_interval) {
default:
case GUARD_INTERVAL_1_4:
guard = 0;
@@ -703,7 +693,7 @@ static int mb86a20s_get_frontend(struct dvb_frontend *fe)
c->layer[layer].interleaving = rc;
mb86a20s_layer_bitrate(fe, layer, c->layer[layer].modulation,
c->layer[layer].fec,
- c->layer[layer].interleaving,
+ c->guard_interval,
c->layer[layer].segment_count);
}
@@ -721,11 +711,10 @@ static int mb86a20s_get_frontend(struct dvb_frontend *fe)
rc = mb86a20s_readreg(state, 0x07);
if (rc < 0)
return rc;
+ c->transmission_mode = TRANSMISSION_MODE_AUTO;
if ((rc & 0x60) == 0x20) {
- switch (rc & 0x0c >> 2) {
- case 0:
- c->transmission_mode = TRANSMISSION_MODE_2K;
- break;
+ /* Only modes 2 and 3 are supported */
+ switch ((rc >> 2) & 0x03) {
case 1:
c->transmission_mode = TRANSMISSION_MODE_4K;
break;
@@ -734,7 +723,9 @@ static int mb86a20s_get_frontend(struct dvb_frontend *fe)
break;
}
}
+ c->guard_interval = GUARD_INTERVAL_AUTO;
if (!(rc & 0x10)) {
+ /* Guard interval 1/32 is not supported */
switch (rc & 0x3) {
case 0:
c->guard_interval = GUARD_INTERVAL_1_4;