From 09f4634293f2d48a9619f51b104bef8e6cc6d559 Mon Sep 17 00:00:00 2001 From: "istvan_v@mailbox.hu" Date: Mon, 6 Jun 2011 13:00:17 -0300 Subject: [PATCH] [media] xc4000: check firmware version Enabled code to check if the version of the firmware reported by the hardware is correct after uploading it. Signed-off-by: Istvan Varga Signed-off-by: Mauro Carvalho Chehab --- drivers/media/common/tuners/xc4000.c | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-) diff --git a/drivers/media/common/tuners/xc4000.c b/drivers/media/common/tuners/xc4000.c index ebc8426..a053dec 100644 --- a/drivers/media/common/tuners/xc4000.c +++ b/drivers/media/common/tuners/xc4000.c @@ -919,7 +919,7 @@ static int check_firmware(struct dvb_frontend *fe, unsigned int type, struct xc4000_priv *priv = fe->tuner_priv; struct firmware_properties new_fw; int rc = 0, is_retry = 0; - u16 version = 0, hwmodel; + u16 hwmodel; v4l2_std_id std0; u8 hw_major, hw_minor, fw_major, fw_minor; @@ -1032,23 +1032,23 @@ check_device: hwmodel, hw_major, hw_minor, fw_major, fw_minor); /* Check firmware version against what we downloaded. */ -#ifdef DJH_DEBUG - if (priv->firm_version != ((version & 0xf0) << 4 | (version & 0x0f))) { - printk("Incorrect readback of firmware version %x.\n", - (version & 0xff)); + if (priv->firm_version != ((fw_major << 8) | fw_minor)) { + printk(KERN_WARNING + "Incorrect readback of firmware version %d.%d.\n", + fw_major, fw_minor); goto fail; } -#endif /* Check that the tuner hardware model remains consistent over time. */ if (priv->hwmodel == 0 && (hwmodel == XC_PRODUCT_ID_XC4000 || hwmodel == XC_PRODUCT_ID_XC4100)) { priv->hwmodel = hwmodel; - priv->hwvers = version & 0xff00; + priv->hwvers = (hw_major << 8) | hw_minor; } else if (priv->hwmodel == 0 || priv->hwmodel != hwmodel || - priv->hwvers != (version & 0xff00)) { - printk("Read invalid device hardware information - tuner " + priv->hwvers != ((hw_major << 8) | hw_minor)) { + printk(KERN_WARNING + "Read invalid device hardware information - tuner " "hung?\n"); goto fail; } -- 2.7.4