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authorMauro Carvalho Chehab <mchehab@osg.samsung.com>2016-02-09 13:56:42 +0300
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>2016-02-09 13:56:42 +0300
commit85e91f80cfc6c626f9afe1a4ca66447b8fd74315 (patch)
tree0a9ba948f6ea1267b47dfeb841059213adc466de /drivers/media/dvb-frontends/tda1004x.c
parentbb31d2381c730485be00a7da44c45416e9781709 (diff)
parent388f7b1d6e8ca06762e2454d28d6c3c55ad0fe95 (diff)
downloadlinux-85e91f80cfc6c626f9afe1a4ca66447b8fd74315.tar.xz
Merge tag 'v4.5-rc3' into patchwork
Linux 4.5-rc3 * tag 'v4.5-rc3': (644 commits) Linux 4.5-rc3 epoll: restrict EPOLLEXCLUSIVE to POLLIN and POLLOUT radix-tree: fix oops after radix_tree_iter_retry MAINTAINERS: trim the file triggers for ABI/API dax: dirty inode only if required thp: make deferred_split_scan() work again mm: replace vma_lock_anon_vma with anon_vma_lock_read/write ocfs2/dlm: clear refmap bit of recovery lock while doing local recovery cleanup um: asm/page.h: remove the pte_high member from struct pte_t mm, hugetlb: don't require CMA for runtime gigantic pages mm/hugetlb: fix gigantic page initialization/allocation mm: downgrade VM_BUG in isolate_lru_page() to warning mempolicy: do not try to queue pages from !vma_migratable() mm, vmstat: fix wrong WQ sleep when memory reclaim doesn't make any progress vmstat: make vmstat_update deferrable mm, vmstat: make quiet_vmstat lighter mm/Kconfig: correct description of DEFERRED_STRUCT_PAGE_INIT memblock: don't mark memblock_phys_mem_size() as __init dump_stack: avoid potential deadlocks mm: validate_mm browse_rb SMP race condition ...
Diffstat (limited to 'drivers/media/dvb-frontends/tda1004x.c')
-rw-r--r--drivers/media/dvb-frontends/tda1004x.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/tda1004x.c b/drivers/media/dvb-frontends/tda1004x.c
index 3137a9ba3a32..b89848313fb9 100644
--- a/drivers/media/dvb-frontends/tda1004x.c
+++ b/drivers/media/dvb-frontends/tda1004x.c
@@ -903,9 +903,18 @@ static int tda1004x_get_fe(struct dvb_frontend *fe,
struct dtv_frontend_properties *fe_params)
{
struct tda1004x_state* state = fe->demodulator_priv;
+ int status;
dprintk("%s\n", __func__);
+ status = tda1004x_read_byte(state, TDA1004X_STATUS_CD);
+ if (status == -1)
+ return -EIO;
+
+ /* Only update the properties cache if device is locked */
+ if (!(status & 8))
+ return 0;
+
// inversion status
fe_params->inversion = INVERSION_OFF;
if (tda1004x_read_byte(state, TDA1004X_CONFC1) & 0x20)