Re: [PATCH 1/2] gspca: sn9c2028: Add support for Genius Videocam Live v2
Hi Hans, On Tue, Apr 21, 2015 at 5:21 PM, Hans de Goede hdego...@redhat.com wrote: @@ -128,7 +129,7 @@ static int sn9c2028_long_command(struct gspca_dev *gspca_dev, u8 *command) status = -1; for (i = 0; i 256 status 2; i++) status = sn9c2028_read1(gspca_dev); - if (status != 2) { + if (status 0) { pr_err(long command status read error %d\n, status); return (status 0) ? status : -EIO; } Do you really need this change ? sn9c2028_read1 returns either a negative error code, or the byte read from the sn9c2028 chip. This functions wait for the sn9c2028 to return a read value of 2. I admit that the check in the for vs the check in the error reporting is not chosen well, both should probably be != 2. But checking for status 0 is not good as this does not catch a successful read from the chip not returning 2. For this cam it returns 1 on some commands. Anyway, this value is not used anywhere later, so I just extended condition. Regards, Vasily -- To unsubscribe from this list: send the line unsubscribe linux-media in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Re: [PATCH 1/2] gspca: sn9c2028: Add support for Genius Videocam Live v2
Hi Vasily, Thanks for the patches. On 19-04-15 20:52, Vasily Khoruzhick wrote: Signed-off-by: Vasily Khoruzhick anars...@gmail.com --- drivers/media/usb/gspca/sn9c2028.c | 120 - 1 file changed, 119 insertions(+), 1 deletion(-) diff --git a/drivers/media/usb/gspca/sn9c2028.c b/drivers/media/usb/gspca/sn9c2028.c index 39b6b2e..317b02c 100644 --- a/drivers/media/usb/gspca/sn9c2028.c +++ b/drivers/media/usb/gspca/sn9c2028.c @@ -2,6 +2,7 @@ * SN9C2028 library * * Copyright (C) 2009 Theodore Kilgore kilg...@auburn.edu + * Copyright (C) 2015 Vasily Khoruzhick anars...@gmail.com * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -128,7 +129,7 @@ static int sn9c2028_long_command(struct gspca_dev *gspca_dev, u8 *command) status = -1; for (i = 0; i 256 status 2; i++) status = sn9c2028_read1(gspca_dev); - if (status != 2) { + if (status 0) { pr_err(long command status read error %d\n, status); return (status 0) ? status : -EIO; } Do you really need this change ? sn9c2028_read1 returns either a negative error code, or the byte read from the sn9c2028 chip. This functions wait for the sn9c2028 to return a read value of 2. I admit that the check in the for vs the check in the error reporting is not chosen well, both should probably be != 2. But checking for status 0 is not good as this does not catch a successful read from the chip not returning 2. @@ -178,6 +179,9 @@ static int sd_config(struct gspca_dev *gspca_dev, case 0x7005: PDEBUG(D_PROBE, Genius Smart 300 camera); break; + case 0x7003: + PDEBUG(D_PROBE, Genius Videocam Live v2); + break; case 0x8000: PDEBUG(D_PROBE, DC31VC); break; @@ -530,6 +534,116 @@ static int start_genius_cam(struct gspca_dev *gspca_dev) ARRAY_SIZE(genius_start_commands)); } +static int start_genius_videocam_live(struct gspca_dev *gspca_dev) +{ + int r; + struct sd *sd = (struct sd *) gspca_dev; + struct init_command genius_vcam_live_start_commands[] = { + {{0x0c, 0x01, 0x00, 0x00, 0x00, 0x00}, 0}, + {{0x16, 0x01, 0x00, 0x00, 0x00, 0x00}, 4}, + {{0x10, 0x00, 0x00, 0x00, 0x00, 0x00}, 4}, + {{0x13, 0x25, 0x01, 0x16, 0x00, 0x00}, 4}, + {{0x13, 0x26, 0x01, 0x12, 0x00, 0x00}, 4}, + + {{0x13, 0x28, 0x01, 0x0e, 0x00, 0x00}, 4}, + {{0x13, 0x27, 0x01, 0x20, 0x00, 0x00}, 4}, + {{0x13, 0x29, 0x01, 0x22, 0x00, 0x00}, 4}, + {{0x13, 0x2c, 0x01, 0x02, 0x00, 0x00}, 4}, + {{0x13, 0x2d, 0x01, 0x02, 0x00, 0x00}, 4}, + {{0x13, 0x2e, 0x01, 0x09, 0x00, 0x00}, 4}, + {{0x13, 0x2f, 0x01, 0x07, 0x00, 0x00}, 4}, + {{0x11, 0x20, 0x00, 0x00, 0x00, 0x00}, 4}, + {{0x11, 0x21, 0x2d, 0x00, 0x00, 0x00}, 4}, + {{0x11, 0x22, 0x00, 0x00, 0x00, 0x00}, 4}, + {{0x11, 0x23, 0x03, 0x00, 0x00, 0x00}, 4}, + {{0x11, 0x10, 0x00, 0x00, 0x00, 0x00}, 4}, + {{0x11, 0x11, 0x64, 0x00, 0x00, 0x00}, 4}, + {{0x11, 0x12, 0x00, 0x00, 0x00, 0x00}, 4}, + {{0x11, 0x13, 0x91, 0x00, 0x00, 0x00}, 4}, + {{0x11, 0x14, 0x01, 0x00, 0x00, 0x00}, 4}, + {{0x11, 0x15, 0x20, 0x00, 0x00, 0x00}, 4}, + {{0x11, 0x16, 0x01, 0x00, 0x00, 0x00}, 4}, + {{0x11, 0x17, 0x60, 0x00, 0x00, 0x00}, 4}, + {{0x1c, 0x20, 0x00, 0x2d, 0x00, 0x00}, 4}, + {{0x13, 0x20, 0x01, 0x00, 0x00, 0x00}, 4}, + {{0x13, 0x21, 0x01, 0x00, 0x00, 0x00}, 4}, + {{0x13, 0x22, 0x01, 0x00, 0x00, 0x00}, 4}, + {{0x13, 0x23, 0x01, 0x01, 0x00, 0x00}, 4}, + {{0x13, 0x24, 0x01, 0x00, 0x00, 0x00}, 4}, + {{0x13, 0x25, 0x01, 0x16, 0x00, 0x00}, 4}, + {{0x13, 0x26, 0x01, 0x12, 0x00, 0x00}, 4}, + {{0x13, 0x27, 0x01, 0x20, 0x00, 0x00}, 4}, + {{0x13, 0x28, 0x01, 0x0e, 0x00, 0x00}, 4}, + {{0x13, 0x29, 0x01, 0x22, 0x00, 0x00}, 4}, + {{0x13, 0x2a, 0x01, 0x00, 0x00, 0x00}, 4}, + {{0x13, 0x2b, 0x01, 0x00, 0x00, 0x00}, 4}, + {{0x13, 0x2c, 0x01, 0x02, 0x00, 0x00}, 4}, + {{0x13, 0x2d, 0x01, 0x02, 0x00, 0x00}, 4}, + {{0x13, 0x2e, 0x01, 0x09, 0x00, 0x00}, 4}, + {{0x13, 0x2f, 0x01, 0x07, 0x00, 0x00}, 4}, + {{0x12, 0x34, 0x01, 0x00, 0x00, 0x00}, 4}, + {{0x13, 0x34, 0x01, 0xa1, 0x00, 0x00}, 4}, + {{0x13, 0x35, 0x01, 0x00, 0x00, 0x00}, 4}, + {{0x11, 0x01, 0x04, 0x00, 0x00, 0x00}, 4}, +
[PATCH 1/2] gspca: sn9c2028: Add support for Genius Videocam Live v2
Signed-off-by: Vasily Khoruzhick anars...@gmail.com --- drivers/media/usb/gspca/sn9c2028.c | 120 - 1 file changed, 119 insertions(+), 1 deletion(-) diff --git a/drivers/media/usb/gspca/sn9c2028.c b/drivers/media/usb/gspca/sn9c2028.c index 39b6b2e..317b02c 100644 --- a/drivers/media/usb/gspca/sn9c2028.c +++ b/drivers/media/usb/gspca/sn9c2028.c @@ -2,6 +2,7 @@ * SN9C2028 library * * Copyright (C) 2009 Theodore Kilgore kilg...@auburn.edu + * Copyright (C) 2015 Vasily Khoruzhick anars...@gmail.com * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -128,7 +129,7 @@ static int sn9c2028_long_command(struct gspca_dev *gspca_dev, u8 *command) status = -1; for (i = 0; i 256 status 2; i++) status = sn9c2028_read1(gspca_dev); - if (status != 2) { + if (status 0) { pr_err(long command status read error %d\n, status); return (status 0) ? status : -EIO; } @@ -178,6 +179,9 @@ static int sd_config(struct gspca_dev *gspca_dev, case 0x7005: PDEBUG(D_PROBE, Genius Smart 300 camera); break; + case 0x7003: + PDEBUG(D_PROBE, Genius Videocam Live v2); + break; case 0x8000: PDEBUG(D_PROBE, DC31VC); break; @@ -530,6 +534,116 @@ static int start_genius_cam(struct gspca_dev *gspca_dev) ARRAY_SIZE(genius_start_commands)); } +static int start_genius_videocam_live(struct gspca_dev *gspca_dev) +{ + int r; + struct sd *sd = (struct sd *) gspca_dev; + struct init_command genius_vcam_live_start_commands[] = { + {{0x0c, 0x01, 0x00, 0x00, 0x00, 0x00}, 0}, + {{0x16, 0x01, 0x00, 0x00, 0x00, 0x00}, 4}, + {{0x10, 0x00, 0x00, 0x00, 0x00, 0x00}, 4}, + {{0x13, 0x25, 0x01, 0x16, 0x00, 0x00}, 4}, + {{0x13, 0x26, 0x01, 0x12, 0x00, 0x00}, 4}, + + {{0x13, 0x28, 0x01, 0x0e, 0x00, 0x00}, 4}, + {{0x13, 0x27, 0x01, 0x20, 0x00, 0x00}, 4}, + {{0x13, 0x29, 0x01, 0x22, 0x00, 0x00}, 4}, + {{0x13, 0x2c, 0x01, 0x02, 0x00, 0x00}, 4}, + {{0x13, 0x2d, 0x01, 0x02, 0x00, 0x00}, 4}, + {{0x13, 0x2e, 0x01, 0x09, 0x00, 0x00}, 4}, + {{0x13, 0x2f, 0x01, 0x07, 0x00, 0x00}, 4}, + {{0x11, 0x20, 0x00, 0x00, 0x00, 0x00}, 4}, + {{0x11, 0x21, 0x2d, 0x00, 0x00, 0x00}, 4}, + {{0x11, 0x22, 0x00, 0x00, 0x00, 0x00}, 4}, + {{0x11, 0x23, 0x03, 0x00, 0x00, 0x00}, 4}, + {{0x11, 0x10, 0x00, 0x00, 0x00, 0x00}, 4}, + {{0x11, 0x11, 0x64, 0x00, 0x00, 0x00}, 4}, + {{0x11, 0x12, 0x00, 0x00, 0x00, 0x00}, 4}, + {{0x11, 0x13, 0x91, 0x00, 0x00, 0x00}, 4}, + {{0x11, 0x14, 0x01, 0x00, 0x00, 0x00}, 4}, + {{0x11, 0x15, 0x20, 0x00, 0x00, 0x00}, 4}, + {{0x11, 0x16, 0x01, 0x00, 0x00, 0x00}, 4}, + {{0x11, 0x17, 0x60, 0x00, 0x00, 0x00}, 4}, + {{0x1c, 0x20, 0x00, 0x2d, 0x00, 0x00}, 4}, + {{0x13, 0x20, 0x01, 0x00, 0x00, 0x00}, 4}, + {{0x13, 0x21, 0x01, 0x00, 0x00, 0x00}, 4}, + {{0x13, 0x22, 0x01, 0x00, 0x00, 0x00}, 4}, + {{0x13, 0x23, 0x01, 0x01, 0x00, 0x00}, 4}, + {{0x13, 0x24, 0x01, 0x00, 0x00, 0x00}, 4}, + {{0x13, 0x25, 0x01, 0x16, 0x00, 0x00}, 4}, + {{0x13, 0x26, 0x01, 0x12, 0x00, 0x00}, 4}, + {{0x13, 0x27, 0x01, 0x20, 0x00, 0x00}, 4}, + {{0x13, 0x28, 0x01, 0x0e, 0x00, 0x00}, 4}, + {{0x13, 0x29, 0x01, 0x22, 0x00, 0x00}, 4}, + {{0x13, 0x2a, 0x01, 0x00, 0x00, 0x00}, 4}, + {{0x13, 0x2b, 0x01, 0x00, 0x00, 0x00}, 4}, + {{0x13, 0x2c, 0x01, 0x02, 0x00, 0x00}, 4}, + {{0x13, 0x2d, 0x01, 0x02, 0x00, 0x00}, 4}, + {{0x13, 0x2e, 0x01, 0x09, 0x00, 0x00}, 4}, + {{0x13, 0x2f, 0x01, 0x07, 0x00, 0x00}, 4}, + {{0x12, 0x34, 0x01, 0x00, 0x00, 0x00}, 4}, + {{0x13, 0x34, 0x01, 0xa1, 0x00, 0x00}, 4}, + {{0x13, 0x35, 0x01, 0x00, 0x00, 0x00}, 4}, + {{0x11, 0x01, 0x04, 0x00, 0x00, 0x00}, 4}, + {{0x11, 0x02, 0x92, 0x00, 0x00, 0x00}, 4}, + {{0x11, 0x10, 0x00, 0x00, 0x00, 0x00}, 4}, + {{0x11, 0x11, 0x64, 0x00, 0x00, 0x00}, 4}, + {{0x11, 0x12, 0x00, 0x00, 0x00, 0x00}, 4}, + {{0x11, 0x13, 0x91, 0x00, 0x00, 0x00}, 4}, + {{0x11, 0x14, 0x01, 0x00, 0x00, 0x00}, 4}, + {{0x11, 0x15, 0x20, 0x00, 0x00, 0x00}, 4}, + {{0x11, 0x16, 0x01, 0x00, 0x00, 0x00}, 4}, + {{0x11, 0x17, 0x60, 0x00, 0x00, 0x00}, 4}, +