Merge branch 'staging/for_v3.7' into v4l_for_linus

* staging/for_v3.7: (2891 commits)
  em28xx: regression fix: use DRX-K sync firmware requests on em28xx
  drxk: allow loading firmware synchrousnously
  em28xx: Make all em28xx extensions to be initialized asynchronously
  [media] tda18271: properly report read errors in tda18271_get_id
  [media] tda18271: delay IR & RF calibration until init() if delay_cal is set
  [media] MAINTAINERS: add Michael Krufky as tda827x maintainer
  [media] MAINTAINERS: add Michael Krufky as tda8290 maintainer
  [media] MAINTAINERS: add Michael Krufky as cxusb maintainer
  [media] MAINTAINERS: add Michael Krufky as lg2160 maintainer
  [media] MAINTAINERS: add Michael Krufky as lgdt3305 maintainer
  [media] MAINTAINERS: add Michael Krufky as mxl111sf maintainer
  [media] MAINTAINERS: add Michael Krufky as mxl5007t maintainer
  [media] MAINTAINERS: add Michael Krufky as tda18271 maintainer
  [media] s5p-tv: Report only multi-plane capabilities in vidioc_querycap
  [media] s5p-mfc: Fix misplaced return statement in s5p_mfc_suspend()
  [media] exynos-gsc: Add missing static storage class specifiers
  [media] exynos-gsc: Remove <linux/version.h> header file inclusion
  [media] s5p-fimc: Fix incorrect condition in fimc_lite_reqbufs()
  [media] s5p-tv: Fix potential NULL pointer dereference error
  [media] s5k6aa: Fix possible NULL pointer dereference
  ...

Conflicts:
	drivers/media/platform/s5p-fimc/fimc-capture.c
	drivers/media/platform/s5p-fimc/fimc-lite.c

1 files changed, 37 insertions, 0 deletions

diff --git a/drivers/media/dvb-frontends/si21xx.h b/drivers/media/dvb-frontends/si21xx.h
new file mode 100644
index 000000000000..141b5b8a5f63
--- /dev/null
+++ b/drivers/media/dvb-frontends/si21xx.h
@@ -0,0 +1,37 @@
+#ifndef SI21XX_H
+#define SI21XX_H
+
+#include <linux/dvb/frontend.h>
+#include "dvb_frontend.h"
+
+struct si21xx_config {
+	/* the demodulator's i2c address */
+	u8 demod_address;
+
+	/* minimum delay before retuning */
+	int min_delay_ms;
+};
+
+#if defined(CONFIG_DVB_SI21XX) || \
+		(defined(CONFIG_DVB_SI21XX_MODULE) && defined(MODULE))
+extern struct dvb_frontend *si21xx_attach(const struct si21xx_config *config,
+						struct i2c_adapter *i2c);
+#else
+static inline struct dvb_frontend *si21xx_attach(
+		const struct si21xx_config *config, struct i2c_adapter *i2c)
+{
+	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
+	return NULL;
+}
+#endif
+
+static inline int si21xx_writeregister(struct dvb_frontend *fe, u8 reg, u8 val)
+{
+	int r = 0;
+	u8 buf[] = {reg, val};
+	if (fe->ops.write)
+		r = fe->ops.write(fe, buf, 2);
+	return r;
+}
+
+#endif