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:

 - Missing MAINTAINERS entries were added for several drivers

 - Adds V4L2 support for DMABUF handling, allowing zero-copy buffer
   sharing between V4L2 devices and GPU

 - Got rid of all warnings when compiling with W=1 on x86

 - Add a new driver for Exynos hardware (s3c-camif)

 - Several bug fixes, cleanups and driver improvements

* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (243 commits)
  [media] omap3isp: Replace cpu_is_omap3630() with ISP revision check
  [media] omap3isp: Prepare/unprepare clocks before/after enable/disable
  [media] omap3isp: preview: Add support for 8-bit formats at the sink pad
  [media] omap3isp: Replace printk with dev_*
  [media] omap3isp: Find source pad from external entity
  [media] omap3isp: Configure CSI-2 phy based on platform data
  [media] omap3isp: Add PHY routing configuration
  [media] omap3isp: Add CSI configuration registers from control block to ISP resources
  [media] omap3isp: Remove unneeded module memory address definitions
  [media] omap3isp: Use monotonic timestamps for statistics buffers
  [media] uvcvideo: Fix control value clamping for unsigned integer controls
  [media] uvcvideo: Mark first output terminal as default video node
  [media] uvcvideo: Add VIDIOC_[GS]_PRIORITY support
  [media] uvcvideo: Return -ENOTTY for unsupported ioctls
  [media] uvcvideo: Set device_caps in VIDIOC_QUERYCAP
  [media] uvcvideo: Don't fail when an unsupported format is requested
  [media] uvcvideo: Return -EACCES when trying to access a read/write-only control
  [media] uvcvideo: Set error_idx properly for extended controls API failures
  [media] rtl28xxu: add NOXON DAB/DAB+ USB dongle rev 2
  [media] fc2580: write some registers conditionally
  ...

drivers/media/dvb-frontends/drxk_hard.c

@@ -65,16 +65,6 @@ static bool IsQAM(struct drxk_state *state)
 	    state->m_OperationMode == OM_QAM_ITU_C;
 }
 
-bool IsA1WithPatchCode(struct drxk_state *state)
-{
-	return state->m_DRXK_A1_PATCH_CODE;
-}
-
-bool IsA1WithRomCode(struct drxk_state *state)
-{
-	return state->m_DRXK_A1_ROM_CODE;
-}
-
 #define NOA1ROM 0
 
 #define DRXDAP_FASI_SHORT_FORMAT(addr) (((addr) & 0xFC30FF80) == 0)
@@ -189,7 +179,7 @@ static inline u32 MulDiv32(u32 a, u32 b, u32 c)
 	return (u32) tmp64;
 }
 
-inline u32 Frac28a(u32 a, u32 c)
+static inline u32 Frac28a(u32 a, u32 c)
 {
 	int i = 0;
 	u32 Q1 = 0;
@@ -587,7 +577,7 @@ static int write_block(struct drxk_state *state, u32 Address,
 #define DRXK_MAX_RETRIES_POWERUP 20
 #endif
 
-int PowerUpDevice(struct drxk_state *state)
+static int PowerUpDevice(struct drxk_state *state)
 {
 	int status;
 	u8 data = 0;
@@ -720,11 +710,6 @@ static int init_state(struct drxk_state *state)
 
 	state->m_bPowerDown = (ulPowerDown != 0);
 
-	state->m_DRXK_A1_PATCH_CODE = false;
-	state->m_DRXK_A1_ROM_CODE = false;
-	state->m_DRXK_A2_ROM_CODE = false;
-	state->m_DRXK_A3_ROM_CODE = false;
-	state->m_DRXK_A2_PATCH_CODE = false;
 	state->m_DRXK_A3_PATCH_CODE = false;
 
 	/* Init AGC and PGA parameters */
@@ -921,7 +906,7 @@ static int GetDeviceCapabilities(struct drxk_state *state)
 	status = write16(state, SCU_RAM_GPIO__A, SCU_RAM_GPIO_HW_LOCK_IND_DISABLE);
 	if (status < 0)
 		goto error;
-	status = write16(state, SIO_TOP_COMM_KEY__A, 0xFABA);
+	status = write16(state, SIO_TOP_COMM_KEY__A, SIO_TOP_COMM_KEY_KEY);
 	if (status < 0)
 		goto error;
 	status = read16(state, SIO_PDR_OHW_CFG__A, &sioPdrOhwCfg);
@@ -1217,7 +1202,7 @@ static int MPEGTSConfigurePins(struct drxk_state *state, bool mpegEnable)
 		goto error;
 
 	/*  MPEG TS pad configuration */
-	status = write16(state, SIO_TOP_COMM_KEY__A, 0xFABA);
+	status = write16(state, SIO_TOP_COMM_KEY__A, SIO_TOP_COMM_KEY_KEY);
 	if (status < 0)
 		goto error;
 
@@ -5461,6 +5446,7 @@ static int QAMDemodulatorCommand(struct drxk_state *state,
 	} else {
 		printk(KERN_WARNING "drxk: Unknown QAM demodulator parameter "
 			"count %d\n", numberOfParameters);
+		status = -EINVAL;
 	}
 
 error: