Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6

* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (362 commits)
  V4L-DVB: cx88-dvb: remove extra attribution for core
  V4L/DVB: v4l: soc_camera: fix bound checking of mbus_fmt[] index
  V4L/DVB: Add support for SMT7020 to cx88
  V4L/DVB: radio-si470x: Use UTF-8 encoding on a comment
  V4L/DVB: MAINTAINERS: Telegent tlg2300 section fix
  V4L/DVB: gspca_stv06xx: Add support for camera button
  V4L/DVB: gspca_ov519: add support for the button on ov511 based cams
  V4L/DVB: gspca_ov519: Add support for the button on ov518 based cams
  V4L/DVB: gspca_ov519: add support for the button on ov519 based cams
  V4L/DVB: gspca_main: Fix a compile error when CONFIG_INPUT is not set
  V4L/DVB: gspca_main: some input error handling fixes
  V4L/DVB: gspca_main: Allow use of input device creation code for non int. inputs
  V4L/DVB: gspca_pac7302: much improved exposure control
  V4L/DVB: gspca_sonixb: Make sonixb driver handle pas106 and pas202 cameras
  V4L/DVB: gspca_sonixb: pas106: fixup bright ctrl and add gain and exposure ctrls
  V4L/DVB: Documentation: gspca.txt: update known mr97310a cams
  V4L/DVB: gspca_mr97310a: add support for the Sakar 1638x CyberPix
  V4L/DVB: gscpa_sonixb: limit ov7630 max framerate at 640x480
  V4L/DVB: gspca_sonixb: pas202: fixup brightness ctrl and add gain and exposure ctrls
  V4L/DVB: gscpa_sonixb: Differentiate between sensors with a coarse and fine expo ctrl
  ...

1 files changed, 60 insertions, 10 deletions

diff --git a/drivers/media/video/cx18/cx18-driver.c b/drivers/media/video/cx18/cx18-driver.c
index 7f65a47f12e..c95a86ba33b 100644
--- a/drivers/media/video/cx18/cx18-driver.c
+++ b/drivers/media/video/cx18/cx18-driver.c
@@ -47,6 +47,10 @@
    setting this to 1 you ensure that radio0 is now also radio1. */
 int cx18_first_minor;
 
+/* Callback for registering extensions */
+int (*cx18_ext_init)(struct cx18 *);
+EXPORT_SYMBOL(cx18_ext_init);
+
 /* add your revision and whatnot here */
 static struct pci_device_id cx18_pci_tbl[] __devinitdata = {
 	{PCI_VENDOR_ID_CX, PCI_DEVICE_ID_CX23418,
@@ -91,7 +95,7 @@ static int enc_pcm_bufsize = CX18_DEFAULT_ENC_PCM_BUFSIZE;
 
 static int enc_ts_bufs = -1;
 static int enc_mpg_bufs = -1;
-static int enc_idx_bufs = -1;
+static int enc_idx_bufs = CX18_MAX_FW_MDLS_PER_STREAM;
 static int enc_yuv_bufs = -1;
 static int enc_vbi_bufs = -1;
 static int enc_pcm_bufs = -1;
@@ -196,14 +200,17 @@ MODULE_PARM_DESC(enc_mpg_bufs,
 		 "Number of encoder MPG buffers\n"
 		 "\t\t\tDefault is computed from other enc_mpg_* parameters");
 MODULE_PARM_DESC(enc_idx_buffers,
-		 "Encoder IDX buffer memory (MB). (enc_idx_bufs can override)\n"
-		 "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_IDX_BUFFERS));
+		 "(Deprecated) Encoder IDX buffer memory (MB)\n"
+		 "\t\t\tIgnored, except 0 disables IDX buffer allocations\n"
+		 "\t\t\tDefault: 1 [Enabled]");
 MODULE_PARM_DESC(enc_idx_bufsize,
 		 "Size of an encoder IDX buffer (kB)\n"
-		 "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_IDX_BUFSIZE));
+		 "\t\t\tAllowed values are multiples of 1.5 kB rounded up\n"
+		 "\t\t\t(multiples of size required for 64 index entries)\n"
+		 "\t\t\tDefault: 2");
 MODULE_PARM_DESC(enc_idx_bufs,
 		 "Number of encoder IDX buffers\n"
-		 "\t\t\tDefault is computed from other enc_idx_* parameters");
+		 "\t\t\tDefault: " __stringify(CX18_MAX_FW_MDLS_PER_STREAM));
 MODULE_PARM_DESC(enc_yuv_buffers,
 		 "Encoder YUV buffer memory (MB). (enc_yuv_bufs can override)\n"
 		 "\t\t\tDefault: " __stringify(CX18_DEFAULT_ENC_YUV_BUFFERS));
@@ -231,7 +238,8 @@ MODULE_PARM_DESC(enc_pcm_bufs,
 		 "Number of encoder PCM buffers\n"
 		 "\t\t\tDefault is computed from other enc_pcm_* parameters");
 
-MODULE_PARM_DESC(cx18_first_minor, "Set device node number assigned to first card");
+MODULE_PARM_DESC(cx18_first_minor,
+		 "Set device node number assigned to first card");
 
 MODULE_AUTHOR("Hans Verkuil");
 MODULE_DESCRIPTION("CX23418 driver");
@@ -240,6 +248,28 @@ MODULE_LICENSE("GPL");
 
 MODULE_VERSION(CX18_VERSION);
 
+#if defined(CONFIG_MODULES) && defined(MODULE)
+static void request_module_async(struct work_struct *work)
+{
+	struct cx18 *dev = container_of(work, struct cx18, request_module_wk);
+
+	/* Make sure cx18-alsa module is loaded */
+	request_module("cx18-alsa");
+
+	/* Initialize cx18-alsa for this instance of the cx18 device */
+	if (cx18_ext_init != NULL)
+		cx18_ext_init(dev);
+}
+
+static void request_modules(struct cx18 *dev)
+{
+	INIT_WORK(&dev->request_module_wk, request_module_async);
+	schedule_work(&dev->request_module_wk);
+}
+#else
+#define request_modules(dev)
+#endif /* CONFIG_MODULES */
+
 /* Generic utility functions */
 int cx18_msleep_timeout(unsigned int msecs, int intr)
 {
@@ -501,7 +531,12 @@ static void cx18_process_options(struct cx18 *cx)
 		/*
 		 * YUV is a special case where the stream_buf_size needs to be
 		 * an integral multiple of 33.75 kB (storage for 32 screens
-		 * lines to maintain alignment in case of lost buffers
+		 * lines to maintain alignment in case of lost buffers).
+		 *
+		 * IDX is a special case where the stream_buf_size should be
+		 * an integral multiple of 1.5 kB (storage for 64 index entries
+		 * to maintain alignment in case of lost buffers).
+		 *
 		 */
 		if (i == CX18_ENC_STREAM_TYPE_YUV) {
 			cx->stream_buf_size[i] *= 1024;
@@ -511,15 +546,24 @@ static void cx18_process_options(struct cx18 *cx)
 			if (cx->stream_buf_size[i] < CX18_UNIT_ENC_YUV_BUFSIZE)
 				cx->stream_buf_size[i] =
 						CX18_UNIT_ENC_YUV_BUFSIZE;
+		} else if (i == CX18_ENC_STREAM_TYPE_IDX) {
+			cx->stream_buf_size[i] *= 1024;
+			cx->stream_buf_size[i] -=
+			   (cx->stream_buf_size[i] % CX18_UNIT_ENC_IDX_BUFSIZE);
+
+			if (cx->stream_buf_size[i] < CX18_UNIT_ENC_IDX_BUFSIZE)
+				cx->stream_buf_size[i] =
+						CX18_UNIT_ENC_IDX_BUFSIZE;
 		}
 		/*
-		 * YUV is a special case where the stream_buf_size is
+		 * YUV and IDX are special cases where the stream_buf_size is
 		 * now in bytes.
 		 * VBI is a special case where the stream_buf_size is fixed
 		 * and already in bytes
 		 */
 		if (i == CX18_ENC_STREAM_TYPE_VBI ||
-		    i == CX18_ENC_STREAM_TYPE_YUV) {
+		    i == CX18_ENC_STREAM_TYPE_YUV ||
+		    i == CX18_ENC_STREAM_TYPE_IDX) {
 			if (cx->stream_buffers[i] < 0) {
 				cx->stream_buffers[i] =
 					cx->options.megabytes[i] * 1024 * 1024
@@ -1032,6 +1076,10 @@ static int __devinit cx18_probe(struct pci_dev *pci_dev,
 	}
 
 	CX18_INFO("Initialized card: %s\n", cx->card_name);
+
+	/* Load cx18 submodules (cx18-alsa) */
+	request_modules(cx);
+
 	return 0;
 
 free_streams:
@@ -1220,6 +1268,7 @@ static void cx18_remove(struct pci_dev *pci_dev)
 	kfree(cx);
 }
 
+
 /* define a pci_driver for card detection */
 static struct pci_driver cx18_pci_driver = {
       .name =     "cx18",
@@ -1230,7 +1279,8 @@ static struct pci_driver cx18_pci_driver = {
 
 static int __init module_start(void)
 {
-	printk(KERN_INFO "cx18:  Start initialization, version %s\n", CX18_VERSION);
+	printk(KERN_INFO "cx18:  Start initialization, version %s\n",
+	       CX18_VERSION);
 
 	/* Validate parameters */
 	if (cx18_first_minor < 0 || cx18_first_minor >= CX18_MAX_CARDS) {